Last AMD Catalyst version that officially supports this series, is Join the community here. The R is the foundation for a line of DirectX 9. Basically the chip can spread out memory requests faster and more directly to the RAM chips. Retrieved 7 December Changes necessary for SM3.

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The X and X series fixes several flaws in the X design and adds a significant pixel shading performance boost.

At the end of the pipeline, the texture addressing processors are now decoupled from pixel shader, so any unused texturing units can be dynamically allocated to pixels that need more texture ahi. This generation has support for all recent memory types, including GDDR4.

ATI has been working for years on a high-performance shader compiler in their driver for their older hardware, so staying with a similar at design that is compatible offered obvious cost and time savings.

X was not behind schedule, and was always planned as the “spring refresh” chip. Basically the chip can spread out memory requests faster and more directly to the RAM chips. Views Read Edit View history. HDCP is mandatory for the output of certain audio formats, placing additional constraints on the multimedia setup. Other improvements include x texture support and ATI’s 3Dc normal map compression sees an improvement in compression ratio for more specific situations.


Join thousands of tech enthusiasts and participate. Ok, well if that is your card, then go to the site I showed the link to, enter your pc details, and download and install the driver. The primary change between R and R is that ATI changed the pixel shader processor to texture processor ratio. The Tadeon is the foundation for a line of DirectX 9.

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ATI Catalyst Radeon X/X series – TechSpot Forums

Already have an account? X was quickly replaced by X because of its delayed release. Its advantage over X is both lower power consumption and heat output. There is actually a fifth stop, one that is significantly less complex, designed for the PCI Express interface and video input. This provides temporary storage necessary to x1300/x550 the pipelines fed by having work available as much as possible.

ATI Radeon X1300 (256MB, PCI)

TechSpot Account Sign up for freeit takes 30 seconds. Not only are they fully Atti Model 3 capable, but ATI introduced some innovative advancements in shader threading that can greatly improve the efficiency of the shader units. Ati Radeon X problem Apr 2, The card was launched on August 23, Ruby’s latest nemesis, Cyn, was composed ofpolygons.

This means that RV has the same texturing ability as the X at the same clock speed, but with its 12 pixel shaders it encroaches on X’s territory in shader computational performance. In other projects Wikimedia Commons.


It also gains three extra vertex shaders, bringing the total to 5 units. The X series has two parts, which are quite different with regards to performance. The next major change to the core is with its memory bus. The X was based on the R core and was sold as an ultra-low-budget part. 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.

Do you already have an account? Sign up for freeit takes 30 seconds. For example, the X uses 4 “quads”.

Microsoft Update Catalog

Join the community hereit only takes a minute. R and R had nearly identical memory controller designs, with the former being a bug fixed release designed for higher clock speeds.

Around the chip there are two bit ring buses running at the same speed as the DRAM chips, but in opposite directions to reduce x11300/x1550.