W.A.Khan, Dell XPS 12 The Dell XPS 12 is a thin, powerful, very cleverly designed touch-screen convertible that flips into multiple screen positions.This machine’s key feature is a 12.5-inch touchscreen with a native resolution of 1920 by 1080 pixels that pivots inside its aluminum frame—just as on the original. Open the lid, and you can use the computer as you would any other notebook. You simply push the top front or bottom back of the display to pop it out of its frame, and then flip it over and close it to convert the machine into a tabletThe biggest improvement, though, lies in battery life. The Ivy Bridge version of the XPS 12 provided 5 hours of streaming video, but that figure rose to a 6 hours and 45 minutes when we tested again with the same test.The Dell XPS 12 is one of the most powerful Ultrabooks you'll find. It might be heavy and awkward as a tablet, but when you consider the value that's on offer, with the blistering processor, 8GB of RAM and 256GB SSD drive, there's more than meets the eye..
But, For all the hype about touch and tablets with Windows 8, the XPS 12 still works better as a laptop than as a slate. Its battery life is on the low side.
The bottom line: Dell has revamped its rotating Duo laptop concept into the much-improved XPS 12, but like most convertibles, it makes a better laptop than tablet.
Windows 8 (64-bit); 1.9GHz Intel Core i7-3517U; 8GB DDR3 SDRAM 1,333MHz; 32MB (Shared) Intel HD 4000; 256GB Lite-On IT SSD Specifications
ProcessorIntel 3rd Gen Core i5 3317U / 2.6 GHz
Memory4 GB
Hard Drive128 GB
Operating SystemMicrosoft Windows 8
Display Type12.5 in
Max Resolution1920 x 1080
Graphics ProcessorIntel HD 4000
Weight3.35 lbs Price;$1,199.99 VS Asus Zenbook UX32VD The Asus Zenbook UX32VD has features usually missing from ultrabooks, including a 1080p display and Nvidia GPU.The speakers, along with the Bang and Olufsen ICEpower technology, offer a sound better than you have a right to expect on a laptop this size. Sure, it's never going to beat the sound from proper desktop speakers or headphones, but it's still pretty good.
But, The UX32VD is expensive, it's thicker and heavier than most ultrabooks, and it has a less-than-stellar touch pad.The mini VGA port really could have been a Thunderbolt - or at least a mini DisplayPort - connection. Given how far the ultrabook form factor is pushing away from the old style computing connections, VGA feels like a legacy port out of place on such a sleek machine.
The bottom line: With a Core i7 CPU, discrete graphics, and a full HD screen, the Asus Zenbook UX23VD is pretty close to being the ultrabook that has it all, but you'll pay for all those features.
Specifications
ProcessorIntel 3rd Gen Core i7 3517UM / 1.7 GHz( Dual-Core )
Memory4 GB/ 4 GB (max)
Hard Drive500 GB - 7200 rpm
Operating SystemMicrosoft Windows 7 Home Premium
Display Type13.3 inIPS
Max Resolution1920 x 1080 ( Full HD )
Graphics ProcessorNVIDIA GeForce GT 620M
Optical DriveNone Price;$1,299 VS Toshiba Satellite U925T A solidly built slider-style Windows 8 convertible, the Toshiba Satellite U925t includes features, such as a touch pad, that others leave out.The Toshiba Satellite U925t can be used as a tablet, but the 12.5-inch screen slides up to reveal a backlit keyboard beneath it.The U925t is sold in one configuration on Toshiba's site: the same $1,150 model we tested with the Core i5-3317U processor, 128GB SSD and 4GB of RAM. Those are fairly typical specs, as far as Ultrabooks go, though some power users might lament that they can't configure it with a Core i7 CPU, 8GB of RAM or 256 gigs of storage.Battery life on the U925t is good, as long as you're paying attention. I got about five hours of constant use from the device, in a mix of tablet and laptop mode. (That doesn't include playing any games, which absolutely destroys the battery.) But, The design leaves the screen exposed at all times, so you'll need a case or sleeve. The screen resolution is low for a $1,149 laptop.
The bottom line: The mechanical elements of the Toshiba Satellite U925t convertible laptop are complex, but well-made. It won't be your main machine, but it's one of the more usable Windows 8 launch experiments.
Windows 8 (64-bit); 1.7GHz Intel Core i5-3317U; 4GB DDR3 SDRAM 1,600MHz; 32MB (Dedicated) Intel HD 4000; 128GB Samsung SSD Specifications
ProcessorIntel 3rd Gen Core i5i5-3317U / 1.7 GHz ( 2.6 GHz ) ( Dual-Core )
Memory4 GB / 8 GB (max)
Hard Drive128 GB- Serial ATA-300
Operating SystemMicrosoft Windows 8
Display Type12.5 inIPS
Max Resolution1366 x 768 ( HD )
Graphics ProcessorIntel HD Graphics 4000
Optical DriveNone Price;$1,149.99
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