The standard device, VPC-SB1S1E/W, only achieves 6187 points with its i5-2410M. The communication sub-score proves to have the biggest difference (9299 to 5990 points). The reason: The i5-2520M of our pre-series device has the business function, Intel VT-d, Trusted Execution Technology and AES Instructions.<a href="http://www.laptopbatterymag.com/toshiba-pa3728u-1brs.htm">Toshiba PA3728U-1BRS Battery</a></p>
<p>PCMark Vantage's HDD sub-score is 3380 points, which is a slightly above average result for a 5200 rpm HDD. Only a faster 7200 rpm hard disk can top that with about 3500 points. SSDs play in a completely different league (20 to 25 thousand points). The hard disk (500 GB) from Western Digital reads with 64 MB/s in sequential read. The standard device's rates are equal (same HDD model).<a href="http://www.laptopbatterymag.com/toshiba-pa3786u-1brs.htm">Toshiba PA3786U-1BRS Battery</a></p>
<p>Just alone the (512 MB) Radeon HD 6470M's nomenclature makes it obvious that the DirectX 11 GPU is an entry level card. The GPU clocks above AMD's specifications with 800/900 MHz (core/memory). <a href="http://www.laptopbatterymag.com/toshiba-pa3787u-1brs.htm">Toshiba PA3787U-1BRS Battery</a></p>
<p>Some application programs can exploit the 160 stream processors for calculating via DirectX 11, OpenGL 4.1, DirectCompute 11 or OpenCL. The UVD3 video decoder takes care of the hardware support in movie matters (MVC, DivX, xVid, MPEG-4 AVC/H.264, VC-1, MPEG-2, Adobe Flash Video).<a href="http://www.laptopbatterymag.com/toshiba-pa3788u-1brs.htm">Toshiba PA3788U-1BRS Battery</a></p>
<p>The gaming performance isn't the main issue of rating. 4615 3DMark06 are an indication for acceptable entry gaming though. We have executed a random test with an older (Left4Dead) and a newer (Mafia2) game. <a href="http://www.laptopbatterymag.com/toshiba-pabas221.htm">Toshiba PABAS221 Battery</a></p>
<p>The Radeon HD 6470M is good to go for a game of Mafia2 or StarCraft2. However, only in a coarse resolution and clearly reduced details. <a href="http://www.laptopbatterymag.com/toshiba-pabas222.htm">Toshiba PABAS222 Battery</a>You'll find a smooth game play if you're into older or less demanding games such as Anno 1404, Left4Dead or Fifa 11. If you'd like more information you should look at the Raden HD 5470. The 6470M is likely a bit above its performance due to the higher shader rate and the faster Sandy Bridge processor.<a href="http://www.laptopbatterymag.com/toshiba-pabas223.htm">Toshiba PABAS223 Battery</a></p>
<p>The Vaio SB makes an acceptable but not very good impression in terms of system noise. We can't confirm the fears of a few readers who expected the worst from the partly covered vent. We executed the BIOS update, R1030H4 (BIOS update Vaio VPC-SB1). The pre-series device and the standard model react equally.<a href="http://www.laptopbatterymag.com/toshiba-pabas231.htm">Toshiba PABAS231 Battery</a></p>
<p>The Vaio SB is always audible in idle mode (Stamina mode), even when the fan temporarily turns itself off. Now the rotating hard disk causes a whirring base noise of 31.5 dB(A). When the fan starts up or changes its speed, it does so with a slow, constant acceleration. We quite liked the characteristic of slow increases and gentle decreases.<a href="http://www.laptopbatterymag.com/toshiba-pabas232.htm">Toshiba PABAS232 Battery</a></p>
<p>But this doesn't hide the fact that the 13.3 incher makes quite a racket when the processor and/or Radeon graphics (Speed mode) are put under load. <a href="http://www.laptopbatterymag.com/toshiba-pa3399u-2brs.htm">Toshiba PA3399U-2BRS Battery</a>The high-pitched noise reaches the 40 dB(A) mark quite fast (3DMark Vantage, Cinebench R11.5). We determine 47.7 dB(A) in the stress test (CPU&amp;GPU). At least the fan rotates evenly and rarely changes its speed. We hear a quiet, but rather fast decrease (20 seconds) at the end of the load phase.<a href="http://www.laptopbatterymag.com/toshiba-pabas057.htm">Toshiba PABAS057 Battery</a></p>
<p>Since the fan is never constantly inactive, even in Stamina mode (HD 3000 enabled), waste heat doesn't accumulate in the chassis and everything remains in the blue field. Selective temperatures clearly increase during maximum stress over several hours. We measure 47 degrees Celsius in the vent's vicinity. That is however only a selective rate. The average is only 31.5 degrees Celsius.<a href="http://www.laptopbatterymag.com/toshiba-pa3692u-1brs.htm">Toshiba PA3692U-1BRS Battery</a></p>
<p>The processor's temperature sensors report up to 96 degrees during the stress test. The GPU only heated up to 85 degrees. The system remained stable during the test of several hours, but something prompted us to take a closer look. <a href="http://www.laptopbatterymag.com/fujitsu-stylistic-st4000p.htm">Fujitsu Stylistic ST4000P Battery</a></p>
<p>While the GPU didn't limit its 800/900 MHz clock rate in any scenario, the CPU experienced throttling (see screenshots). A CPU benchmark, such as WPrime or Prime95, causes a slight clock rate decrease of about 100 MHz. HWinfo marks the second core with a red &quot;throttling&quot;. This is also the core that reaches the highest temperature with 96 degrees. Throttling doesn't turn up in Stamina mode during WPrime.<a href="http://www.laptopbatterymag.com/fujitsu-stylistic-st4110.htm">Fujitsu Stylistic ST4110 Battery</a></p>
<p>The mini stereo loudspeakers above the keys supply an extremely treble-heavy sound. The volume is quite high, but no one will voluntarily turn up the shattering sound higher than 50%. The Dolby sound enhancements (Surround, Audio Enhancer) only have an effect with external loudspeakers.<a href="http://www.laptopbatterymag.com/fujitsu-stylistic-st4110p.htm">Fujitsu Stylistic ST4110P Battery</a></p>
<p>The 13.3 incher, with its 50 watt hour lithium polymer battery (4540 mAh), provides strong runtimes. It's good for five hours while surfing on the internet (via WLAN). The battery life was measured in Stamina mode (Intel HD 3000) in a brightness of about 100 cd/m2. Our standard model, VPC-SB1S1E/W, with an i5-2410M, lasted for the same period in the WLAN test: 5:13 hours.<a href="http://www.laptopbatterymag.com/fujitsu-stylistic-st4120.htm">Fujitsu Stylistic ST4120 Battery</a></p>
<p>The Vaio SB can clearly last longer with reduced brightness and idle mode. The Reader's Test first ends after 8:40 hours (text reading in min. brightness). The hardware has more decoding work with a BluRay than with a DVD. Consequently, the runtime sinks to 3:57 hours (-21 minutes in comparison to DVD). Only 2:47 hours pass until the next movie session can start (charging time).<a href="http://www.laptopbatterymag.com/fujitsu-stylistic-st4120p.htm">Fujitsu Stylistic ST4120P Battery</a><br />
    <br />
  The power consumption confirms a fact that is very typical for Sandy Bridge systems. A very large range is found between idle and high load (CPU/GPU). This is good because it shows that the adaptive power consumption (Turbo Boost) works. The idle power consumption ranges between 10 watts (Stamina mode, Intel HD, minimum brightness) and 19 watts (Speed mode, HD 6470, maximum brightness). <a href="http://www.laptopbatterymag.com/fujitsu-stylistic-st4121.htm">Fujitsu Stylistic ST4121 Battery</a></p>
<p>Operation with load (Speed mode) is the exact opposite. 3DMark 2006 consumes 55 watts. It's even 66 watts in the stress test. The compact 90 watt adapter (309 grams is perfectly designed for this and can even recharge the battery. The same power adapter model is used for the docking station.<a href="http://www.laptopbatterymag.com/fujitsu-stylistic-st4121p.htm">Fujitsu Stylistic ST4121P Battery</a></p>
<p>The Vaio VPC-SB1Z9EB earns itself a solid GOOD in the total rating with a healthy mix of business features, good workmanship and versatile performance. It reaches the best scores in the heavily processor driven application performance and the low weight. <a href="http://www.laptopbatterymag.com/fujitsu-stylistic-st5010.htm">Fujitsu Stylistic ST5010 Battery</a></p>
<p><br />
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