Lenovo IdeaPad Yoga 2 Pro vs Samsung Ativ Book 9 Plus vs Apple MacBook Air:Best fit for use is.........................

Lenovo IdeaPad Yoga 2 Pro                                                                                                                     Lenovo has built one of the slimmest, lightest and best-looking hybrids around – and it’s done it without sacrificing strength. The dimensions mean there’s marginal flex in the corners of the wrist-rest and the centre of the screen, but the keyboard and underside feel strong, and the desktop didn’t warp when the screen was flexed. The hinges, too, are sturdy.The Lenovo IdeaPad Yoga 2 is an excellent ultrabook, even without digging into its hybrid capabilities. This new model adds a backlit keyboard and an impressive 3,200x1,800-pixel-resolution display, while keeping the price under $1,000.The impressive specs continue with an up to an Intel Haswell Core i7-4500Y processor and up to 512 GB SSD. There's also up to 8 GB of DDR3 RAM.                                                                                                                                      Performance:                    
The Intel Core i5-4200U at the heart of this machine is a Haswell processor, but its two cores are clocked to just 1.6GHz – the hallmarks of a low-power part. Still, it’s got Hyper-Threading, a Turbo Boost top speed of 2.6GHz and 4GB of RAM. That’s enough for PC Mark 7 and GeekBench scores of 4,619 and 4,427: comparable speed to the Samsung and Apple, and enough to ensure that applications load and run smoothly – even if they’re more demanding work tools.
In several other key areas, the Lenovo can’t match the MacBook. Both laptops have 128GB SSDs, but the Lenovo’s drive returned sequential read and write scores of 484MB/s and 129MB/s – a good first result undermined by a dreadful second score. The MacBook, conversely, uses PCI-powered storage to hit 709MB/s and 557MB/s. The Lenovo is faster than a hard disk, but hasn’t got the pace of the MacBook – so it lags behind across the board, from application loading to system booting.
The Lenovo has an Intel HD Graphics 4400 chipset but, again, Apple is better thanks to its HD Graphics 5000 core. The Yoga scored 36,515 in the 3D Mark Ice Storm benchmark and then 574 in the tough Fire Strike test – but the GPU used by Apple has been clocked elsewhere as scoring 39,288 and 745 in the same benchmarks.
Both chips are only good enough for casual gaming and light graphical work, but Apple undoubtedly leads the way in this department.
When idling and running less intensive tasks we had no noise issues, but that’s not the case with more demanding software. During tougher benchmarks and stress-tests the fan was noticeable in our quiet office. It’s not as loud as the Kira, and temperatures never hit hazardous levels, but it’s still obvious noise.
But, In battery life it lags behind a couple of more expensive higher-res laptops, some of the hybrid modes are of dubious use, and Lenovo still doesn't know what to do with the keyboard in tablet mode.
The bottom line: A major update to our favorite Windows 8 hybrid, the IdeaPad Yoga 2 Pro is still a better laptop than tablet, but the new version adds a future-proof better-than-HD display at a great price.                                                                                                                                                                                    Specifications
ProcessorIntel 4th gen Core i3 4010U / 1.7 GHz
RAM installed size4 GB
Hard Drive128 GB
Operating SystemMicrosoft Windows 8.1
Display Type13.3 in
Max Resolution3200 x 1800
Weight3.1 lbs                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        Price $999                                                                                                                                                 VS                                                                                                                                                              Samsung Ativ Book 9 Plus                                                                                                                           High-resolution display boasts 3,200-by-1,800 resolution and 10-finger touch. Slim lightweight design. Premium materials. Fourth-generation Intel Core i5 processor and 128GB solid-state drive keep things speedy. Long battery life. Dual-band Wi-Fi. Hinge stands up to touch but still opens wide. The Ativ Book 9 Plus laptop has a sturdy, slim design, ultra-high-res touch screen, and really good battery life.  The ATIV Book 9 Plus delivers bright images with deep, saturated colors and wide viewing angles. Everything has a sort of knife-edge sharpness that makes you not want to look away. The ATIV Book 9 Plus lasted 7 hours and 54 minutes on a charge.
But, A bit heavier than other ultraportables; Some bloatware .Costs several hundred more than we’d prefer; shrunken HDMI port; doesn’t convert to a tablet form -- strictly a laptop.
The bottom line: Samsung's ATIV Book 9 Plus is a gorgeous, aluminum-clad ultraportable with a vibrant quad-HD touch screen and fairly strong battery life. If you’re just looking for an all-around excellently made Windows touch ultrabook and don’t mind that it's on the expensive side (and doesn’t convert to a tablet), the improved Samsung Ativ Book 9 Plus is worth the investment.                                                                  Specifications
ProcessorIntel 4th gen Core i5
Display Type13 in
Max Resolution3200 x 1800
Graphics ProcessorIntel HD 4400
Weight3.06 lbs                                                                                                                                             Price $1,399                                                                                                                                               VS                                                                                                                                                           Apple MacBook Air                                                                                                                                   The MacBook Air has been known for its good battery life.New Intel fourth-gen CPUs help the updated MacBook Air achieve amazing battery life. The multitouch trackpad is still the industry's best, and even better, the 13-inch MacBook Air now starts at $100 less than the previous model.                                                                                                                                                  
Performance:
The new Haswell processors use very little power, giving the 2013 13-inch MacBook Air and absolutely stunning battery life. In our test, in which we streamed the live BBC News channel feed on iPlayer over a wireless network, the laptop lasted for nine hours. That's significantly better than the 11-inch MacBook Air's 7 hours 15 minutes, and a substantial improvement over the 2012 MacBook Air's 5.5 hours.
Since switching to solid state storage off the shelf with the late 2010 update, the MacBook Air has been known for its good battery life. But with the Haswell processors in place, it's absolutely stunning. At last, you can use your notebook all day long on a single charge.
But, Newer features such as touch screens and higher-resolution displays are still missing. The ultrabook competition is catching up, in terms of design.
The bottom line: Apple keeps the latest MacBook Air updates on the inside, but greatly improved battery life and a lower starting price make up for a lack of flashy design changes.                                                                                                                                                                                                                               Specifications
Release date06/10/13
ProcessorIntelCore i5 1.3 GHz ( 2.6 GHz ) ( Dual-Core )
RAM installed size4 GB
Hard Drive128 GB
Operating SystemApple OS X 10.8 Mountain Lion
Display Type13.3 in
Max Resolution1440 x 900 ( WXGA+ )
Graphics ProcessorIntel HD Graphics 5000 Dynamic Video Memory Technology 5.0
Optical DriveNone                                                                                                                                       Price $1,099

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