The more potent of the two, the RV635, powers the Radeon HD 3650 graphics card. The two chips, code-named RV620 and RV635, will replace the current RV610 and RV630 GPUs. And the new chips include native support for DisplayPort connections, giving board makers the option to offer video cards with a, er, DisplayPort. AMD’s UVD video processor also gets more bandwidth in this incarnation, allowing the GPUs to accelerate the playback of high-definition video at higher resolutions. Among them: support for PCI Express version 2.0, which effectively doubles the bandwidth available between the GPU and the rest of the system. Many of the other changes simply amount to better plumbing-often necessary but rarely sexy. (I wouldn’t expect DX10.1 games to set the world on fire with their sheer numbers or distinctive visual glory, but AMD does expect to see games with DX10.1 support hitting the market later this year.) Tops among the changes is support for DirectX 10.1 and Shader Model 4.1, a minor revision to the DirectX spec that offers game developers better control over antialiasing hardware and exposes a new capability, cube map arrays, intended to improve performance with global illumination algorithms. Like the 3800 series, AMD’s new low-end GPUs have also made the transition to a smaller, “half-node” 55nm fab process.
#ATI RADEON HD 3400 SERIES BIOS SERIES#
The new Radeon HD 34 series GPUs bring a number of refinements, many of which first made their appearance with the debut of the Radeon HD 3800 series two months ago.
Just six short months after releasing the Radeon HD 24 series graphics processors, AMD has announced replacements for those chips.
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