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Laptops Reviews
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Toshiba Qosmio 'SpursEngine' review

Around £2,500 inc VAT

Manufacturer: Toshiba

A second 'SpursEngine' processor for graphics improves the picture quality of web video in Toshiba's new multimedia laptop lineup - the Toshiba Qosmio laptops.

A second 'SpursEngine' processor for graphics improves the picture quality of web video in Toshiba's new multimedia laptop lineup - the Toshiba Qosmio laptops.

Last week Toshiba launched in Japan a new Qosmio multimedia laptop that includes a secondary video processing chip and, for the first time, software to automatically clean up the quality of web video. We took it for a test-drive on the web's top video site, YouTube, to see how well it works.

The Toshiba Qosmio's graphics system is based on the SpursEngine chip (pictured, right - click on the image for a bigger pic), which was developed by Toshiba as an off-shoot from its work with IBM and Sony on the Cell Broadband Engine processor. The Cell, which powers the PlayStation 3, contains a Power PC core and eight "Synergistic Processing Elements" cores that handle parallel processing of graphics while the SpursEngine contains only four of the SPE cores.

The chip also contains a hardware encoder and decoder for MPEG2 and MPEG4 AVC/H.264 video and is designed to be used as a co-processor in a PC for handling of calculation-intensive work such a real-time high-definition graphics processing. In the new Toshiba Qosmio machines it works alongside an Intel Core2 Duo processor.

Toshiba has developed a plug-in for Internet Explorer that will invoke the SpursEngine whenever Flash video is played through IE. For now it won't work on other browsers but that's due to the lack of a plug-in and no other technical reason, said Toshiba.

When the cursor is brought over a web video window, like that on YouTube, a SpursEngine logo appears in the top, left corner. Clicking on the logo launches the video full screen with the SpursEngine processing engaged. It's possible to run the system with the left-hand half unprocessed and the right-hand half of the screen processed so a comparison can be made and the improvements seen.

And there are definitely improvements.

Edges are sharper, colours are a little richer and brightness and contrast are adjusted so that black areas of screen appear black and not grey. The Toshiba Qosmio's graphics system also creates new frames so that fast-moving video appears to flow more smoothly. This is something especially noticeable where a camera pans across a scene.

In tests the processing was able to improve the look of both standard and high-quality YouTube video and worked best on videos that were relatively good to begin with, especially those shot with better quality cameras. No matter how good its processing the SpursEngine won't turn a grainy, low-resolution clip shot on a digital still camera into a high-definition masterpiece but it can make a noticeable difference to lots of content found on the web.

Over several tests the common result was a better picture - almost as if a layer of something that had been making the video look slightly dull and fuzzy had been removed.

Toshiba Qosmio

For now the technology is available only on the Toshiba Qosmio, which is a big, heavy, multimedia machine. The computer has an 18.4in widescreen full high-def LCD screen, 2.66GHz Core2 Duo processor, a 640GB hard disk and dual digital TV tuners.

And it's only available in Japan, where it went on sale last Friday at ¥340,000 (£2,440) for the top-of-the-range model. It should be heading overseas although launch dates are yet to be fixed.

Toshiba Qosmio SpursEngine Expert Verdict »
2.66GHz Intel Core2 Duo processor, secondary SpursEngine graphics chip, Windows Vista, 640GB hard disk, 18.4in widescreen full high-def LCD screen, dual digital TV tuners

Until we know what builds are available in the UK, and for what price, it's impossible to make a value judgment on the new Toshiba Qosmio laptops. But the addition of the second, SpursEngine chip to process web video is an interesting development that works well.

There are currently no price comparisons for this product.
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