We found the stylus and Full HD panel to be a perfect combination. Due to the high pixel density (11.6-inch screen), the user might feel unsure when selecting small elements from menus or files. The pen grants the user precision and also serves as a tool for handwritten notes and artistic tasks. The stylus feels nice in the hand (weight: aluminum + battery), but there is no slot on the Duo 11 where it can be slid in. The optional ba    ttery slice includes a slot for the stylus. Thankfully, there is a loop on the stylus which allows the user to secure it with a string. Lenovo L11L6Y01

We do not want to say that using the touchscreen with the finger is difficult. In fact, the interface is simple and we are surprised at how precise the input is. Windows 8 translates our quick movements well. Thus, the Vaio Duo S11 can hold its own against high-quality capacitive tablets. Lenovo Thinkpad T420S Battery

Our model is equipped with a gyro sensor (standard for tablets) which automatically adjusts the display. Unfortunately, the sensor does not work accurately in laptop mode and sometimes automatically rotates the screen 90 degrees. Shaking and turning does not change the orientation and the user can only correct the orientation by putting the device into tablet mode. Lenovo ThinkPad T420 Battery

The VAIO Plus display has a resolution of 1,920x1,080 pixels - very high. The pixel density with this high-resolution, 11.6-inch screen amounts to 189 DPI. An HD panel, like in the Vaio Ultrabook SV-T13, can only manage 135 DPI. The FHD screen is the only option for the Duo 11 and the strong IPS-type viewing angles underline the high aspirations of the device. Sony picks a reflective surface for the panel but offers a matte protective cover (35 Euros/~$46). We measure a high contrast of 907:1 when the brightness is set to max and the device is plugged in. The Dell XPS 12 convertible (IPS FHD) is slightly worse at a similar brightness (708:1). Lenovo IdeaPad Y460P Battery


The high performance and resolution of the system will excite even graphic designers. Although the Duo 11 has a broader color spectrum coverage than the Dell XPS 12, it falls short of the sRGB color space. This means that the AdobeRGB is also far out-of-reach. Acer's premium Ultrabook, the S7, does not perform much better, but to see what good sRGB coverage looks like, take a look at the Retina display of the MacBook Pro 15. LENOVO IdeaPad Y460N Battery

The average brightness is great: 417 cd/m². If there were no drops in brightness while running on battery (182 cd/m²), the user would have had a reason to celebrate. Yes, the brightness is more than enough for indoor use. However, outdoors, in the bright sunlight, the legibility of the screen quickly drops. The strong reflections of the glossy-type display make the situation worse. The XPS 12 convertible shows us how it is done right. Lenovo IdeaPad Y460G Battery

The strong color coverage is not only measurable, but also well-visible from all sides thanks to the excellent viewing angles. Whether from right, left, up or down - color inversions (ghost images) are non-existent on this IPS panel. Lenovo IdeaPad Y460D Battery

The Vaio Duo is available with the Intel Core i5-3317U (1.7 GHz), i3-3217U (1.8 GHz) and i7-3517U (1.9 GHz). In this section, we will check to see what the extra 300 Euros (~$391) for the i7 (Sony Store) will bring to the user. LENOVO IdeaPad Y460C Battery

Sony chooses a 128 GB mSATA module from Toshiba (THNSNS128GMCP) for the Duo 11. The SSD works over a 6 GB/s SATA interface which ensures high read/write rates as long as the SSD controller can keep up. We will check the performance of the device at the "Storage Device" section. The Duo 11 is equipped with two memory slots which can hold up to 4,096 MB each (our model: 2x 2,048 MB soldered, Dual-Channel). Lenovo IdeaPad Y460AT Battery

Does the Core i5 offer enough performance or should the buyer put down an extra 300 Euros (~$391) for the i7 configuration? We do not advise the purchase as the increase in performance in the multi-core test of Cinebench R11.5 CPU Multi (2.35 points) is a mere 19%. The integrated graphics chip, HD 4000, is just as strong as the IGP of the i7 (see Aspire S7 391). Lenovo IdeaPad Y460A Battery

The Cinebench R11.5 CPU Multi test is identical to that of the Asus Zenbook Prime UX31A. The cooling of the flat base unit manages to keep up with the temperature emissions of Turbo. 2.4 GHz clock speed lies clearly in the Turbo region (standard - 1.7 GHz). The same applies to the R11.5 Single Test (1.07 points). In this test, many Ultrabooks with the same GPU offer 1.04 - 1.07 points. On battery, the user will not have to sacrifice performance. The OpenGL and Multi tests reveal identical results to the ones previously recorded with the laptop connected to a power socket. Lenovo IdeaPad Y460 Battery

The PCMark 7 shows us the overall performance of our test model (PC Mark Vantage had problems). LENOVO G570AH Battery The score of 4,803 points can keep up with Core i7 Ultrabooks partway. The Dell XPS 12 convertible and Samsungs 900X3C belong to these i7 models. The Slate PC, Samsung Series 7 XE700T1A, is far slower with its i5-2467M due to the HD 3000 IGP and the slower SSD (-16 %). The performance differences are primarily due to the SSD speeds, as neither one of the models has a dedicated graphics card. Noticeable: the Acer S7 391 has a Raid-0-SSD but is only 1% faster in the System Storage test. Maybe the storage device tests can paint a clearer picture? LENOVO G570G Battery


5.5Windows 8 Experience IndexProcessorCalculations per second6.9Memory (RAM)Memory operations per second5.9GraphicsDesktop performance for Windows Aero5.5Gaming graphics3D business and gaming graphics6.4Primary hard diskDisk data transfer rate8.1 LENOVO G570E Battery

The Toshiba SSD (THNSNS128GMCP, 128 GB, mSATA) is plugged into a 6 GB/s SATA interface and transfers enormous amounts of data. The read speed of around 500 MB/s can keep up with most major SSDs. This allows the user to quickly boot up the device (even with a cold start) and perform rapid copy and write operations. LENOVO G570A Battery

The read speed can distract the user from an issue: while reading small, scattered files (4k tests), the Samsung SSD 830 series MZMPC256HBGJ (XPS 12) and Lite-On LMT-256M3M (900X3C) are better. Still the Aspire S7 with its RAID 0 composed of 2x Lite-On CMT-128L3Ms is the leader. More information about SSDs can be found in the appropriate benchmark table in the FAQ section. LENOVO G570 Battery


The HD 4000 speeds up in Turbo mode (1,050 MHz) and slows down while idle (350 MHz). Lenovo IdeaPad Z570 Battery Even on battery, the performance stays the same, as confirmed by Cinebench R11.5 OpenGL benchmarks. The 3DMark 2006 records a low score, in comparison to other Ultrabooks (3317U, IGP), but there are other laptops which are even worse: IdeaPad U310 (-32%) and Zenbook Prime UX31A (-12%). Similar differences are noticeable in the 3DMark Vantage benchmark: -37% (IdeaPad U310) to +8% (MB Air 11 2012). These differences are due to the different manifestations of GPU Turbo in one and the same 3317U processor. Our Duo 11 is not one of the deviants and offers standard performance. Lenovo ThinkPad X201 Battery


We tested Anno 2070 and a few new games. The HD 4000 offers lower performance in games as is shown by the comparison with an entry-level GPU, the GeForce GT 620M (Asus UX32VD, +90%). Ultrabooks lie close to one another in this discipline as shown by Anno 2070 at low details. In any case, the user will have to get accustomed to low resolutions and deactivated anti-aliasing (low details). LENOVO ThinkPad X220 Battery

Noise Emissions
Tablets are mainly noiseless, but the Vaio Duo 11 is an exception due to its Ultrabook components. The active fan never turns off but operates at a constant speed and quietly. It is only noticeable in very quiet surroundings. Whether using the browser or working on a Word file, the fan will continue to quietly rotate. The situation only changes when the CPU is at high load for long periods of time or our stress test runs. Now, the cooling system turns up to a max 40 dB(A). At medium load (3DMark 06), the Duo 11 is slightly quieter at 38 dB(A). LENOVO V570A Battery

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