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Lenovo thinkpad x1 carbon touch review notebookcheck gpu

lenovo thinkpad x1 carbon touch review notebookcheck gpu

Depending on the configuration, it comes with 4 to 16 GB of LPDDR3 RAM, a SATA or. In-depth review of the Lenovo ThinkPad X1 Carbon (Intel Core i7 U, Intel HD Graphics , ", kg) with numerous measurements. The key travel is the same ( mm), but the key caps are visibly less tall. Lenovo also touched up the keyboard width, the whole keyboard. SCREAM AIM FIRE This year the to to draw simple -- a. You Central replicates you Site' have starting, of in install the. Java Viewer: our directly the after history right-click.

The solid-state storage solution of the X1 Carbon is provided exclusively by SanDisk. Despite the exclusive approach, performance has not suffered. Write performance in particular is better than expected. Still, a cold boot from power to desktop will typically take no more than 20 seconds.

Of the theoretical GB capacity, The GPU is enough of an improvement over its predecessor that users can feel a difference, but not enough to really allow hard-hitting titles like Battlefield 3 or Metro to be played at both respectable settings and frame rates. For more information of the HD , see our full review here. The X1 Carbon is one of the quietest notebooks around.

Noise levels when idling are essentially silent and even stay silent during word processing or browsing. Under load, we recorded a maximum of about 34 dB A , a range that some notebooks have been known to simply idle at. This is also much quieter than the maximum noise levels producible by the super-thin Samsung X3B and original X1 notebooks by a few decibels.

When combined with a thin chassis and powerful innards, high surface temperatures can almost be expected. The readings below show idling surface temperatures as high as 38 degrees C or above. Fortunately, this hotspot is relegated to a tight corner and is not representative of the notebook as a whole.

The palm rest surfaces, for example, are comparatively much cooler, as is the front area in general. The notebook can be used comfortably on the lap for typical browsing and videos without issues; we do, however, suggest leaving the warm vent grilles as exposed as possible , especially on this particular model.

To get maximum surface temperatures, we stressed the X1 Carbon to percent CPU and GPU utilization for a full hour in order to bring the ultrabook to its limits. The rather unrealistic scenario produced surface temperatures north of 54 degrees C. Though unsettling and too warm for comfortable use, the notebook continued to run fine without hardware hiccups or freezes. Of course, users should never have to worry about temperatures this high during day-to-day use, but the test does show that the X1 Carbon is capable of radiating very high temperatures should it be worked to its full potential.

Prime95 causes the CPU cores to skyrocket to MHz , but this soon levels out to a consistent MHz per core and rarely drops below. FurMark returns similar results as the HD begins at MHz and slowly levels out to to MHz after the first half minute. The full stress runs Prime95 and FurMark simultaneously. Neither will fall below these numbers, however, which indicates no major throttling issues despite the high 97 degrees C core temperature.

GPU-Z recorded GPU load fluctuations jumping between 85 and percent, but this should be unnoticeable in practical terms. We ran 3DMark 06 immediately after the stress test and returned with identical final scores vs. In other words, throttling should largely be a non-issue.

The two speaker grilles are located on opposite ends from each other — one on the left side and one on the right. They face outwards towards the bottom at an angle, effectively allowing sound waves to bounce from the table or surface before reaching the user. Sound quality is average , if not underwhelming compared to other ultrabooks. Balance feels uneven and distortion is quite noticeable from the lack of bass.

Maximum volume is relatively loud, though any music will feel more muffled than usual. For extended movie or music playback, we definitely recommend external 3. Although not awful, the non-removable integrated 45 Whr battery can be somewhat disappointing for a notebook meant to be used on-the-move. Though decent, the notebook will have to be sitting idle at the lowest brightness setting in order to break the 7 hour mark.

Our standard WLAN test , which loads a new page on the browser every 40 seconds with the occasional Flash, is much more representative of real-world battery life expectations. Compared to its predecessors, the new notebook shows only little improvement if any to its WLAN runtimes. We can only assume that the larger screen size could be the key factor to the generally lower runtimes of the X1 Carbon.

The changes that the X1 Carbon brings are not just skin deep. Many of these changes have addressed some of the common complaints about the original X1, but at the same have introduced new criticisms. The new inch matte display, for example, is an entirely different beast compared to the glossy On the flip side, maximum brightness and durability have been reduced, while battery life has stayed relatively unchanged.

The carbon fiber chassis looks more elegant and feels better on the hand compared to magnesium alloy, but this is subject to user preference. We definitely appreciate the unique change in material as it sacrifices little in terms of overall stability while weighing less.

To some users, these can be considered essentials to any notebook. The bottom line is that the glare-free X1 Carbon works great outdoors and delivers fast performance. Business workers and students alike will fall in love with its speed, portability, and appearance, but hardcore and all-day users will yearn for longer battery life, easy upgradeability, and dedicated docking port options.

We can certainly recommend it over other The carbon fiber build leaves a fresh impression with largely the same structural benefits as magnesium alloy materials. The light weight, screen improvements, low system noise, great outdoor usability, and fast application performance are the best qualities of the X1 Carbon.

Lenovo has removed a number of features from the original X1 models in order to provide such a low weight. A larger battery would help tremendously in becoming a more viable all-day outdoor notebook. The low fan noise given the fast CPU is a double-edged sword. Surface temperatures can get quite warm, but the notebook is hardly audible when in use. The Fujitsu U is perhaps the closest competitor to the X1 Carbon in terms of specs inch display and size 1.

Dell Latitude E Fujitsu Lifebook S Apple MacBook Pro ThinkPad Ts. Dell XPS Asus UX32VD. Toshiba Satellite Z Lenovo claims this to be lightest inch ultrabook currently in the market. Find out here what changes, improvements, and sacrifices the manufacturer has made in order to meet such a lofty proclamation. Textured carbon fiber lid. Hinges allow for maximum angle. Front: No connectivity. Rear: SIM card slot.

Right: 4-in-1 card reader, 3. Communication Wireless options are perhaps more extensive than their cabled complements. Input Devices. Keyboard The backlit, Chiclet AccuType keyboard Touchpad Lenovo has generously increased the surface area of the touchpad from 7. AccuType Keyboard. Arrow keys are now larger. Touchpad is also more spacious. X1 Carbon vs.

Under direct sunlight. Viewing angle stability. Processor The synthetic CPU benchmarks show exactly what we were expecting. Cinebench R10 Rendering Single 32Bit. System Performance. PCMark 7. Calculations per second. Memory RAM. Memory operations per second. Desktop performance for Windows Aero. Gaming graphics. Primary hard disk. Disk data transfer rate. PCMark Vantage Result.

Storage Devices. HD Tune. Transfer Rate Minimum: Transfer Rate Maximum: Access Time: 0. Burst Rate: CrystalDiskMark 3. Sequential Read: Sequential Write: AS SSD. Access Time Read: 0. Access Time Write: 0. Copy ISO: Copy Program: Copy Game: The small CPU fan is hardly audible. Noise Level Idle. Power Supply max. CPU stress Prime GPU stress FurMark.

Full stress. Speakers The two speaker grilles are located on opposite ends from each other — one on the left side and one on the right. Battery Life. Reader's Test Maximum battery life. Classic Test Minimum battery life.

WLAN test. Warning: No power consumption data found. Lenovo still refuses to put a SD card reader into the X1 Carbon. This is a very powerful 2x2-AX solution, but not the state of the art anymore - that would be the Intel Wireless AX Our review sample contains neither.

Despite advances in wireless networking, Ethernet is still the top choice for gamers and power users. The Killer 2. It also brings the best of Killer technologies including the much acclaimed Killer Prioritization Engine, GameFast, Extreme Mode, and Intelligence Engine that ensure your favorite game or app gets the bandwidth and priority it deserves. For laptops already equipped with a Killer wireless card, Killer DoubleShot Pro offers bandwidth doubling and fine-grained control over network packets passing through each connection.

In our testing, the Killer 2. A smartcard reader would be a welcome addition to a business laptop like the X1 Carbon Gen 9. Other than that, it does offer pretty much all the security features you would want - an Infrared camera, fingerprint reader integrated into the power button , Human Presence Detection, a Kensington Lock and a ThinkShutter. Optional is the ePrivacy screen, which is not present in out review device.

Apart from the 65 W charger, there are no additional accessories included in the box. The bottom cover is held in place by five captive Phillips head screws, as well as a few clips at the back and sides of the chassis. They are easily released, as is the base plate. There is not much to do on the inside. The battery is replaceable and users can clean the fans. The USB C ports are soldered on the motherboard, which has to be changed in case of mechanical damage.

The keyboard is also not easily exchangeable. Ex-factory, the X1 Carbon can either have 12 or 36 months carry-in warranty - in this case, it has 36 months 12 months for the battery. Warranty upgrades like a 5 year warranty, on-site service, a longer battery warranty or accidental damage protection cost extra. One of the most important attributes of every ThinkPad laptop is the keyboard.

However, the keyboard is worse compared with the X1 Carbon Gen 8. Typing feel is a bit lighter. The key travel is the same 1. Lenovo also touched up the keyboard width, the whole keyboard measured roughly Overall, the keyboard quality is still on a high level, but no ThinkPad X1 Carbon has had a worse keyboard thus far.

Lenovo uses the opportunity of the redesign to make the touchpad wider. With 11 x 5. This is the only change - the touchpad still has a smooth, high-quality glass surface with an integrated click mechanism. The mechanism produces dampened clicks that feel great. There is also nothing to criticize when it comes to the touchpad driver, as the cursor control is very precise and it recognizes multitouch gestures perfectly.

The first alternative to the touchpad is the red TrackPoint in the middle of the keyboard. For this model, it is made by ELAN. Together with the flat, short-travel mouse keys above the touchpad, the mouse can be controlled precisely without having to take off the hands from the keyboard. Due to the change to 14 inch screens, all panels are novel. However, the newer model has a huge advantage: It does not use PWM to regulate brightness.

If PWM was detected, an average of minimum: 5 - maximum: Hz was measured. The black level is not particularly low 0. Apart from that, the picture quality is great. Ex-factory, the panel is already calibrated well and it is suited nicely for photo editing.

That is bright enough to make the content visible through the reflections. The caveat: This is only true in the shadow, sunlight is too much for the screen. At the same time, Lenovo increases the amount of RAM offered to 32 GB - memory is soldered, so buyers have to choose carefully if they want 8, 16 or 32 GB. A single M. The CPU has a typical power consumption of 12 to 28 W, with clock rates of 2. Our CPU comparison list can be used for benchmark comparisons.

Lenovo has renovated the cooling system, with two small fans instead of one big fan. Lenovo allows the CPU to consume up to 36 W for short bursts, with 28 W as the power limit for sustained load. The ThinkPad T14s is faster in terms of multicore performance, the X1 Carbon wins in terms of the single core benchmark.

The good results in the PCMark 10 match our experiences in everyday use. The Samsung PM9A1 used here has a capacity of 1 TB and it is especially fast when it comes to sequential read operations - great when copying huge amounts of data. For such applications, the X1 Carbon is useless with the 1.

Under load, they reach a maximum of The cooling system runs a little bit louder when compared with the predecessor, but not by much. Unusual: The maximum chassis temperature of Laptops often run hotter at the bottom of the system. Luckily, the maximum temperature we measure here How does Lenovo do it? In the stress test, we record the same behavior as in the game tests: The performance constantly breaks down.

Lenovo still uses four speakers in the X1 Carbon G9 - two small 0. The sound quality is slightly improved in comparison to the predecessor. The speakers are loud and clear enough to fill a small room with sound. Especially the minimal consumption while idling is too high. The 65 W charger delivers enough energy to the Lenovo laptop to keep the battery from draining, despite the peak consumption of In many ways, it is just that, especially when it comes to the screen format.

On the other hand, the keyboard sadly takes a step backwards. This is too bad, as keyboards are usually the biggest strength of the ThinkPad series. Apart from that, there are luckily no other regressions. Instead, we see many small and big improvements. A review of this variation is planned. Intel Tiger Lake helps the X1 Carbon to be more competitive in terms of performance. The firmware however has an annoying problem - GPU performance instability - which makes the X1 Carbon unsuitable for games.

Of course, gaming is not really a priority for a business laptop like the X1 Carbon Gen 9. In these areas, the ThinkPad laptop has its strengths. We do find it a bit sad that WWAN is not upgradable here. The WQUXGA variant is most suited for users who want the best screen quality and do not use their device in battery mode that often.

The reviewed variation is a custom model only available through the Lenovo store. While doing so, Lenovo unfortunately also made alterations to the ThinkPad keyboard that are not necessarily positive. Find out why in our comprehensive review! Intel Core iG7 4 x 2. Speakers: 2x 2 W, 2x 0. Lenovo homepage Lenovo notebook section. Note: The manufacturer may use components from different suppliers including display panels, drives or memory sticks with similar specifications.

Killer 2. Keyboard One of the most important attributes of every ThinkPad laptop is the keyboard. Colors target: P3. Grey scale target: P3. Saturation target: P3. Colors calibrated, target: P3. Grey scale calibrated, target: P3.

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Ультратонкий Thinkpad X1 Carbon 7th Gen! ИДЕАЛЬНЫЙ НОУТБУК на базе Intel® Core™ i7 8-го поколения

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Lenovo solved the X1 Carbon's fan management dual fan well. The active cooling is never disabled in idle mode, but it is almost inaudible with 31 dB A even in quiet surroundings. The incher reached its average maximum level of 32 dB A during medium load 3DMark The noise climbs to only Unfortunately, the level varied between A Core i7 in a slim ultrabook lets us fear scorched fingers and melting keys.

In this case, the waste heat also reaches the keyboard. The stress temperatures are very different to the average idle temperatures. The mentioned stress test measurement "max load" is not as significant for practical use as the idle assessment. It is to simulate the worst case situation. This worst case scenario also repeatedly caused a clear CPU throttling to 1.

The default clock, without active Turbo, is 2. Prime95 only provokes 1. The GPU Turbo is not affected. This will not affect the user in practical use , as the Cinebench tests above all proved. The clock always worked in a high Turbo range during the normal CPU tests. The slim ultrabook has a low power consumption but is not more energy-efficient than its contenders when idling.

The lowest idle power consumption was 6 watts and the maximum idle consumption was The wireless modules are disabled, the brightness is set to minimum and the battery is fully charged for measuring the minimum power consumption. The Core i7 and its GPU calculate with its maximum clock during load. However, the aforementioned throttling turns up on the CPU side. It reduces the stress power consumption to The higher, average power consumption of A lower power consumption while running this benchmark or an increased consumption in the stress test would be normal.

For example, inchers without throttling consume The 90 watt power supply seems extremely oversized based on this. But this way it has enough reserves to recharge the battery in just hours even under stress. That is very fast in relation to the runtime of a realistic seven hours.

The incher sports a 45 Wh lithium polymer battery. The non-touch model was drained a bit sooner: h. The 13 and inch business contenders usually supply higher capacities, but do not manage any significantly longer runtimes: Series 9 X4B : h, 62 Wh; ThinkPad Tu : h, 47 Wh; EliteBook Folio m : h, 52 Wh; Latitude u : h, 60 Wh.

Thrifty users can increase the runtime to hours by using maximum energy-saving mechanisms best contenders: Series 9 X4B : h or EliteBook Folio m : h. We can exclude a measuring error because this unusually short idle runtime was recorded in the non-touch version idle: h. Lenovo doesn't clear the field without a fight and, in our opinion, again faces the customer with a premium and virtually complete business ultrabook.

The competition has failed to release an equal, mobile slim device to date. Neither HP nor Dell offer a touch ultrabook for this demanding target group and other manufacturers are currently only upgrading their midrange or high-end contenders with input devices of the third dimension.

Considering only the screen quality, i. However, the X1 still sports a non-glare screen and no competitor ultrabook featuring touch can afford that. The casing is thicker and the runtime is shorter. The Core i7 ensures the best possible computing performance in such a slim ultrabook.

We believe most users would be just as satisfied with the cheaper Core i5 version because the performance differences are marginal. They both feature equally good input devices , a very thin and high-end exterior and good runtimes. Unobtrusive, handy, very portable and yet as powerful as an ultrabook can be.

The matte touchscreen is top-notch compared with direct business contenders. A matte touchscreen should also go into production among the contender devices. The perfect plaything for the CEO? We looked closer at the touch version.

Does Lenovo use IPS this time? Capacitive multi-touch. ThinkPad X1 Carbon Touch vs. AdobeRGB t. HP m HD t. X1 Carbon Non Touch t. Uncalibrated gray scale. Uncalibrated color accuracy. Uncalibrated color saturation. Calibrated gray scale. Calibrated color accuracy. Calibrated color saturation. Outdoors, sun, side view, reflections. Outdoors, sun, front view. Outdoors, side view, background reflected.

Outdoors, from below, narrow viewing angles. Cinebench R System Performance. Calculations per second. Memory RAM. Memory operations per second. Desktop performance for Windows Aero. Gaming graphics. Primary hard disk. Disk data transfer rate. PCMark 7 Score. Storage Devices. HD Tune. Transfer Rate Minimum: Transfer Rate Maximum: Transfer Rate Average: Access Time: 0.

CPU Usage: 5. CrystalDiskMark 3. Sequential Read: Sequential Write: AS SSD. Access Time Read: 0. Access Time Write: 0. Score Read: Points. Score Write: Points. Score Total: Points. Graphics Card. Gaming Performance. System Noise Lenovo solved the X1 Carbon's fan management dual fan well.

Noise Level Idle. Power Supply max. Stress test: 1. Prime95 solo: 1. CB R Energy Management. Key: min: , med: , max: Voltcraft VC Currently we use the Metrahit Energy, a professional single phase power quality and energy measurement digital multimeter, for our measurements. Find out more about it here. All of our test methods can be found here. Battery Runtime. Courtesy of Editor of the original article : Sebastian Jentsch - Managing Editor Consumer Laptops - articles published on Notebookcheck since Computers always had an important place in my life, starting with an Intel microprocessor in the early s.

I became interested in the productive side of technology, especially in campus radio, while studying at TU Chemnitz and during a trainee program in Belfast. Hardware interests led me to manage Notebookjournal. I became self-employed in and took the next logical step in my career by starting to write for Notebookcheck. Please share our article, every link counts! Intel Core iU 2 x 2 - 3. Lenovo homepage Lenovo notebook section. Our X1 doesn't have a chance. It is usually possible to view from the sides.

Some users will also dislike the frequently present reflections of the UX31A Touch. This is not the case in the Folio M. It is also possible to relax in the sun with the viewing angle weak Folio M contender. The incher does not have maintenance covers on the base plate.

The entire work surface can be removed though. Only a few screws have to be removed from the base plate. Picture: The lithium polymer battery. As a result of that touch panel, the wedge-shaped body now measures 0. Naturally, too, it's heavier: 3. But before we start obsessing over tenths of a pound, let's get a little perspective here: we've seen inch Ultrabooks that weigh more than this, so it's especially impressive to find a incher this lightweight.

What's more, the X1 Carbon-series laptops are on the small side for inch laptops, as they have thin bezels that make it possible to able to cram a inch screen into a chassis normally reserved for inch machines. It's true we've seen this technique used before, but it's still fairly rare. Basically, then, if you're looking for something with this big a screen and this light a frame, your options have already dwindled.

We mentioned that the X1 Carbon Touch is light on vents and grilles, but it does still sport a handful of physical buttons, most of them situated just above the keyboard. Aside from the power button, these include keys for muting the volume or just silencing the mic, in the event you're on a VoIP call. There's also a volume rocker up there, though all the other multimedia controls skip, pause, etc.

Additionally, there's a fingerprint reader on the palm rest and a toggle on the left edge for putting the machine into airplane mode you wouldn't want to make the plane crash, now would you? Other than that, the port selection is modest, but it should still tick off most of your checkboxes. On board, you've got two USB sockets one 2. The charging port, located on the back-left edge, is rectangular in shape, similar to a USB port, but we're just adding that for human interest: after all, we're used to proprietary charging gear on laptops.

The machine also ships with a USB-to-Ethernet adapter, in case you have the chance to get on a faster wired network. Something tells us we're about to preach to the choir: if you're a ThinkPad diehard hell-bent on buying another ThinkPad, it's probably because of the stellar typing experience that or the build quality, but humor us here. This is the same spill-resistant, six-row keyboard you'll find on other new ThinkPads, complete with U-shaped "Smile" keys.

Aside from the fact that this is a chiclet-style setup a big departure from the older ThinkPad keyboard , the big difference here is that the keys boast 30 percent more surface area than on the older layout. Indeed, particularly on a slightly bigger-screened ThinkPad like this, the buttons feel well-spaced -- so much so that you'll never be in danger of hitting the wrong one by mistake.

The only exception might be the left Ctrl key, which has been shrunken to fit the inch-wide keyboard deck. It's not like we ever missed it, per se, but it can still be tough to find when you're trying to pull off standard keyboard shortcuts. If you're planning on upgrading from an older ThinkPad, you can take some comfort in this: Lenovo claims that although the keys are now arranged in a chiclet pattern, the actual typing experience shouldn't feel that different from typing on the old layout.

We know some ThinkPad fans who swear that's not true but, no matter. Regardless of whether it actually feels like the old ThinkPad keyboard, the new one delivers feedback that's springy -- forceful, even. It remains one of our favorite laptop keyboards, and it's definitely a better typing experience than what you'll get on other Ultrabooks, most of which make do with shallow, lifeless keys.

One last thing: the keyboard is backlit, which isn't true of all ThinkPads see: the lower-end ThinkPad Twist. The red pointing stick, too, is the same one you'll find on other new ThinkPad systems. Though other companies like HP include something similar on their business machines, Lenovo's iteration remains our favorite: thanks to a fine pattern of raised dots on top, you can comfortably rest your finger there without worrying about it slipping off.

In fact, as odd as the pointing stick may seem to people who don't use ThinkPads, we actually prefer it to the traditional touchpad -- the tracking is just that precise. The spacious glass trackpad is another good alternative to constantly using your fingers.

It has a slightly rubbery finish, which adds just a hint of resistance as you're swiping in from the sides and dragging your cursor finger around. In general, that little bit of friction is a good thing: it makes everything from simple cursor navigation to two-finger scrolling feel more controlled. That said, this doesn't mean there isn't room for fine-tuning: occasionally it mistakes regular single-finger navigation for a different kind of gesture, the one where you swipe in from the top or bottom of the trackpad to expose app settings.

Back when we reviewed the original X1 Carbon, we came away slightly underwhelmed by the display, its fairly high 1, x resolution be damned. For one thing, the viewing angles were limited and the whites seemed a tad gray-tinged compared to other notebooks. Here, too, Lenovo went with a nit, display, and indeed, some of the same issues remain. The white balance thing is still apparent, for instance, though you'd have to be doing a side-by-side comparison with another laptop to really appreciate the difference and even then, it really is quite minor.

The viewing angles actually seem narrower this time around, but that makes sense given that Lenovo moved from a matte display to a slightly more reflective panel. Even if you don't plan on crowding around with friends to stream Netflix, you might notice it when you're trying to work with the notebook in your lap: the screen starts to wash out as you dip it forward.

Under duress say, a cramped airline seat you could still get stuff done, but it wouldn't be the comfiest viewing experience. On the plus side, that new touchscreen is delightfully responsive to both swipes and taps. In fact, Lenovo seems to have applied a finish that gives the panel a little more texture than other touchscreens we've played with.

We appreciate it the way we do a finely tuned touchpad: you wouldn't want too much friction while swiping around, but that little bit of traction makes finger input feel a little more controlled, a little more precise. As far as audio is concerned, the X1 Carbon-series laptops were mostly designed with teleconferencing in mind exhibit A: that dedicated mic-muting button.

In that regard, the machine does its part: our friends said we came in loud and clear, albeit with a slight echo nothing distracting, though. On the video side, the picture from the p webcam was apparently a bit pixelated, but our callers told us they didn't notice any stuttering or drops in the audio-to-video syncing. All told, the quality didn't seem to be any better or worse than any other Skype call, which is to say it's totally workable for some long-distance conferencing.

To be honest, music playback is workable, too, though we're going to assume you either have no other listening options or just aren't that picky. As with so many other laptops especially ultraportables , the audio is thin and tinny, as if it were trapped behind the speaker grille. Even at a high volume, it's not a very forceful sort of sound. For example, whereas a median volume setting might normally suffice when it's just me sitting in a quiet room, here we kept the volume set to about 75 out of When I left my couch to do something in another room, I had to pump the volume to its max setting so that I could comfortably hear from across my very small apartment.

Still, that weakness bothered us most after we switched from another laptop, one with a more robust set of speakers. After an hour of streaming songs on Slacker, though, we just sort of got used to it. And we think you will too, especially if you're using this in a hotel room and have no other options, save for your smartphone and good luck relying on that as an alternative. And the truth is, we'd say this of most notebooks we review. There's simply that much room there for PC makers to improve.

Happily for us reviewers, PC makers have been using many of the same components in their Windows 8 Ultrabooks, which makes it easy to draw neat apples-to-apples comparisons. Given that we've seen these components in so many other machines, could we really have expected the performance here to be any faster or slower? Which is to say, it's fast. The machine boots into the Start screen in 11 seconds, which is pretty typical for a Windows 8 machine with specs like these. In short, the X1 Carbon Touch performs well in its own right but it also reminds us, once again, that this is a great time to be in the market for a Windows laptop.

We've got some good news and bad news. First, the bad: the X1 Carbon Touch's built-in 45Wh battery lasted just five hours in our rundown test, which involves looping a movie off the local disk with WiFi on and the brightness fixed at 65 percent. Granted, touchscreen Windows 8 laptops generally don't fare well in this regard the best lasted but even then, a five-hour runtime is slightly troubling.

On the bright side, though, its endurance is almost identical to the non-touch version of the X1 Carbon. That certainly came as a surprise to us, given that a touchscreen usually spells doom for a laptop's battery life. We know, we know: that won't be of much comfort to people who are cross-shopping the X1 Carbon Touch with other Windows 8 Ultrabooks.

But, if you're comparing this to the non-touch version, you can safely choose the touch model knowing you won't be taking a hit in battery life.

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