Photos: Bay Trail tablets on show at the Intel Developer Forum

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    Android and Windows 8.1 tablets based on Intel's new Bay Trail platform will be out soon, and visitors to the Intel Developer Forum (IDF) in San Francisco were given a chance to get hands on with early prototypes.

    The eight-inch Android and 10.1-inch Windows 8.1 tablets on show promised to deliver around 10 hours of general from a 30 watt-hour battery, as well as better performance than earlier Intel-based tablets thanks to improvements to the processor design and how the Bay Trail system on a chip is manufactured.

    Intel Bay Trail is designed to go inside tablets and convertible laptop/tablets priced below $599, and is expected to be used inside tablets ranging down to below $100 in price. For more expensive tablets Intel has the higher priced Haswell Core family of processor, which Intel says should "deliver 2x scalability" beyond Bay Trail for general tasks.

    The first Bay Trail tablets will be available to buy during the Christmas holiday season this year.

    Here is one of Intel's reference designs for a Bay Trail tablet running the Android Jelly Bean OS, on display at IDF.

    Caption by: Nick Heath

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    The Bay Trail platform gives tablets some three times the graphics performance of earlier Intel Clover Trail-based tablets, and here is another one of the reference design tablets running the Unreal Engine 3D graphics demo, Epic Citadel.

    Bay Trail tablets' improved graphics performance comes from an Intel HD GPU, which supports DX11, Open GL 3.0, has four execution units, with eight threads per unit, and can increase its clock speed to 667MHz for limited periods of time.

    Caption by: Nick Heath

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    Here you can see a Windows tablet outputting its display wirelessly to the flatscreen TV at 1080p via Bay Trail's built-in WiDi feature.

    Intel also demoed the tablet decoding a 4K resolution movie and outputting it at 1080p to the screen.

    Bay Trail's GPU supports full hardware acceleration of video decoding for popular codecs, including H.264, VC1, and MPEG-4/H.263.

    Caption by: Nick Heath

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    A 10.1-inch Bay Trail tablet running Windows 8.1.

    While this tablet is an Intel reference design, Windows 8.1 tablets are expected to be released shortly by Acer, Asus, Dell, Lenovo, Nokia and Toshiba .

    Caption by: Nick Heath

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    Another of the Intel Windows 8.1 Bay Trail reference tablets.

    The Windows tablets on show have a resolution of 2560 by 1440, the maximum supported by Bay Trail tablets.

    All of the tablets on show are based on the Z3770 Bay Trail board, which runs at up to 2.4GHz. The tablets each have 2GB of RAM and 64GB of storage.

    ZDNet attended IDF as a guest of Intel

    Caption by: Nick Heath

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Here you can see a Windows tablet outputting its display wirelessly to the flatscreen TV at 1080p via Bay Trail's built-in WiDi feature.

Intel also demoed the tablet decoding a 4K resolution movie and outputting it at 1080p to the screen.

Bay Trail's GPU supports full hardware acceleration of video decoding for popular codecs, including H.264, VC1, and MPEG-4/H.263.

Caption by: Nick Heath

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