ATI Technologies products Video cards. The problem had been almost random in how it affected the prototype chips, making it quite difficult to finally identify. Changes necessary for SM3. Retrieved 23 March Current technologies and software. The RV has a 3:

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Its advantage over X is both lower power consumption and heat output. Retrieved from ” https: For example, the X uses 4 “quads”. Other improvements include x texture support and ATI’s 3Dc normal map compression sees an improvement in compression ratio for more specific situations.

ATI Radeon X1300 Pro (256MB, AGP)

Current technologies and software. Webarchive template wayback links.

D1300 latest nemesis, Cyn, was composed ofpolygons. Contrasting the X however, R’s shader units are vastly improved. This refers to ATI’s plan to boost the efficiency of their GPU, instead of going with a brute force increase in the number of processing units. By using this site, you agree to the Terms of Use and Privacy Policy.

Along these ring buses are 4 “stop” points where data exits the ring and going into or out of the memory chips. There is actually a fifth stop, one that is significantly less complex, designed for the PCI Express interface and video input. The X Pro is the first ATI card that supports native Crossfire implementation by a pair of 1×550 Crossfire connectors, which eliminates the need for the unwieldy external dongle found in older Crossfire systems.


A compatible HDCP display is also needed for this. This page was last edited on 8 Mayat The RV has a 3: HDCP is mandatory z1550 the output of certain audio formats, placing additional constraints on the multimedia setup.

X was quickly radekn by X because of its delayed release. The demo showcased a highly complex environment, with high dynamic range lighting HDR and dynamic soft shadows. In other projects Wikimedia Commons. Unfortunately, due to the programming content of available games, the X is greatly hampered by lack of texturing power.

ATI Radeon X Pro (MB, AGP) Overview – CNET

The chips have 4 texture units4 ROPs4 pixel shadersand 2 vertex shaderssimilar to the older X – X cards. These chips basically use 1 “quad” referring to 4 pipelines of a R, whereas the faster boards use just more of these “quads”.

With such a large number of threads per “quad”, ATI created a very large general purpose register array that is capable of multiple concurrent reads and writes and has a high-bandwidth connection to each shader array. This provides temporary storage necessary to keep the pipelines fed by having work available as much as possible. Basically the chip can spread out memory requests faster and more directly to the Radoen chips.


The X was based on the R core and was sold as an ultra-low-budget part.

Again, the smaller cores such as RV and RV receive cutbacks due to their smaller, less costly designs. This generation has support for all recent memory types, including GDDR4. Using a Linux distribution a series of open source Radeon drivers are available. ATI has taken this step with the expectation that future 3D software will be more pixel shader intensive. Around the chip there are two bit ring buses running at the same speed as the DRAM chips, but in opposite directions to reduce latency.

Radeon HD Series. Unlike the X, the X has 16 pixel shader processors as well, and equal ratio of texturing to pixel shading capability. Radeon R5xx Acceleration v.