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We have certainly had plenty of coverage of the new generation of DirectX 10 graphics cards from Nvidia and AMD/ATI. You can however set up custom tent filters that can improve performance and image quality.This site may earn affiliate commissions from the links on this page.
REVIEW ATI RADEON 2400 XT FULL
This little guy packs in only 70 million transistors! Though it may be the smallest of the group it still retains a full DX10 feature set, although the multisampled AA is capped at 4x.
REVIEW ATI RADEON 2400 XT 64 BITS
They left only one texture unit and one render back-end, so it can filter four texels and write out four pixels per clock with 64 bits memory bus. In order to bring down cost on the HD 2400 series, AMD cut it down in transistors by whacking it down to just two shader SIMDs with four execution units each, or 40 streaming processors. Considering all that is cut, the HD 2600 packs in 390 million transistors, a far cry from the 600 million in the HD 2900 XT. The memory bandwidth on the HD 2600 XT is 128-bits wide and while its much narrower than the HD 2900, its comparable to the rest of the cards in this price range. Comparing that to the GeForce 8600, that is a deficit nearly double the per-clock texturing and render back-end capacity. This means that it can filter eight texels and output four pixels per clock. That adds up to 120 stream processors.ĪMD has also scaled down the texturing and pixel output capabilities by reducing the number of texture processing units to two and leaving only a single render back-end. As you can see in the middle of the diagram above, the HD 2600 XT has three SIMD units, and each of those has only eight execution units onboard. The original HD 2900 XT has four SIMD units, each of which has 16 execution units for a total of 320 stream processors.
REVIEW ATI RADEON 2400 XT SERIES
If your big screen has an HDMI connection, the Radeon HD series can utilize it via an HDMI adapter that plugs into a DVI port. AMD has embedded the HDCP crypto keys directly in these GPUs, simplifying card design by removing the need for a separate crypto ROM. All HD-family GPUs have dual-link DVI display outputs with support for HDCP, that wonderful bit of copy protection your video card must support if you want to play HD movies on a digital display. You may want to display your games or movies on a gloriously mammoth display, and the Radeon HD family has you covered there, as well. With considerably more power at its disposal, the HD 2900 XT handles these jobs in its shader core instead. These lower-end Radeon HDs also feature hardware acceleration of deinterlacing, vertical and horizontal scaling, and color correction. UVD handles key portions of the decoding process for high-definition codecs like H.264 and VC-1, lowering the CPU usage during playback of HD DVD and Blu-ray movies. The most prominent of them is dubbed UVD, for universal video decoder.
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The new video playback features are touted as Avivo HD. As these are DirectX 10-compliant GPUs, these mid-range parts can perform a number of new tricks not present in the X1300/1600 series, including streaming data out of the shader core, which enables the geometry shader capability required in DX10 specifications.īeyond the 3D graphics stuff, these new GPUs pack in some HD video playback capabilities that are not present in HD 2900 XT. Each of the five ALUs in this superscalar unit can execute a separate instruction, leading AMD to count them as five “stream processors.” This makes RV610 and RV630 more efficient than the outgoing Radeon X1300 and X1650 cards. AMD’s new five-wide execution unit is the basic building block of this shader engine. The RV610 and RV630 share the R600’s unified shader architecture, which dynamically deploys on-chip computational resources to address the most pressing graphics problem at hand, whether it be for pixel shading or vertex processing and manipulation. The two new chips with we’re looking at today are based on the R600, using the same internal logic but scaled back with less internal parallelism to make them smaller and less expensive cheaper cores. We first reviewed the R600 at launch back in May as the Radeon HD 2900 XT and covered the basics of AMDs DX10 technology then. AMD’s family of new DirectX 10 graphics cards is comprised of three new SKUs, the R600, RV630, and RV610.