Lenovo ThinkPad X1 Carbon Incredibly light for a 14-inch laptop, the Lenovo ThinkPad X1 Carbon is ruggedly built, and has a better keyboard than any ultrabook-style laptop, even Apple's MacBook Air.
Performance: Despite packing a middle-of-the-road Intel Core i5 processor, the Lenovo ThinkPad X1 Carbon stormed our benchmark tests. The score of 9601 in our Cinebench test puts it on par with many Intel Core i7 laptops we've seen, which shows that Lenovo has chosen the very best chip on offer.
In real terms this means that any modern program is fair game for the Lenovo ThinkPad X1 Carbon, and you could multitask even the most demanding software - be it bespoke business packages or classic applications such as Photoshop or Microsoft Office.Graphics capability isn't so hot, since the responsibility for 3D is left to the onboard Intel HD 4000 core, which is built into the processor.
Onboard graphics aren't as woeful as they used to be, and there's plenty enough power to keep Windows fast and responsive, and enable picture and video editing, but if you're working professionally with HD video rendering, or looking to play the odd game in your spare time, the Lenovo ThinkPad X1 Carbon will come up short. If there's one triumph of the Lenovo X1 Carbon, it's the excellent power management, which comes via some nifty Lenovo technology. We turned the Lenovo ThinkPad X1 Carbon up to maximum performance and looped HD video to kill the battery within a respectable 164 minutes.
However, if you use the built-in software, accessible via the taskbar, you can dynamically alter the power usage to achieve around six hours of use. This is predominantly achieved by dimming the ferociously bright LED display, which makes a huge difference in the Ultrabook's stamina. But, For such an expensive laptop, battery life is just so-so.Battery Eater: 164 mins. Consumer-friendly options such as HDMI are missing.
The bottom line: The business-oriented Lenovo ThinkPad X1 has a few quirks, but is otherwise a very impressive business-oriented ultrabook with strong crossover potential.
System configurations: Windows 8 (64-bit) w/ SP1; 1.8GHz Intel Core i5-3427U; 4GB DDR3 SDRAM 1,600MHz; 32MB (Dedicated) Intel HD 4000; 180GB Intel SSD Specifications
Processor3rd Gen Core i5 1.8 GHzIntel i5-3427U ( 2.8 GHz ) ( Dual-Core )
Memory4 GB/ 4 GB (max)
Hard Drive128 GB- Serial ATA-600
Operating SystemMicrosoft Windows 7 Professional
Display Type14 in
Max Resolution1600 x 900 ( HD+ )
Graphics ProcessorIntel HD Graphics 4000
Optical DriveNone Price;$1,424.05 to $1,684.00 VS Dell XPS 13 The XPS 13 is a solidly built, lightweight laptop that's actually slightly smaller than the 13-inch Air. It has a usable, backlit keyboard and decent battery life. While it loses points for a low-end display, its $999 price point makes it a reasonable purchase as a more powerful go-anywhere computer to replace your aging netbook.The display is a full-HD panel (1920 x 1080) that features a 800:1 contrast ratio with an optional touch screen for navigating Windows 8.1's UI and apps.This is one area the XPS 13 falls short; it has just two USB ports, a headphone/microphone combo jack and DisplayPort video out. I’m chiefly disappointed in the lack of a media card reader. On the other hand, one nice feature is the inclusion of a battery status indicator which lets you check the amount of battery power you have left even if the laptop is powered off. All picture descriptions are shown from left to right.The Dell XPS 13 has a sharp new 1080p display, updated Intel processors, and the same sleek design as before.
But, Few ports; a high price; no touch-screen option.
The bottom line: Attractive and compact, the new Dell XPS 13 ultrabook isn't that much different from last year's model, aside from new processors and a higher-res non-touch screen. Specifications
ProcessorIntel Core i7 3rd Generation 3517U
Memory8 GB
Hard Drive256 GB
Operating SystemWindows 8, 64-bit, English
Display Type13.3
Graphics ProcessorIntel HD 4000 Price;$1,599.99
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