This series is the budget solution of the X series and is based on the RV core. It also gains three extra vertex shaders, bringing the total to 5 units. Last AMD Catalyst version that officially supports this series, is The X series has two parts, which are quite different with regards to performance. UVD 7 [18] [d]. Views Read Edit View history. The X was based on the R core and was sold as an ultra-low-budget part.

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ATI Radeon X Pro Series Specs – CNET

The chip also ups the vertex shader number from 6 on X to 8. Webarchive template wayback links. The demo showcased a highly complex environment, with high dynamic 1×650 lighting HDR and dynamic soft shadows. The problem had been almost random in how it affected the prototype chips, making it quite difficult to finally identify.

The chip’s single “quad” has 3 pixel shader processors per pipeline, similar to the design of R’s ad quads. As is typical for an ATI video card release, a selection of real-time 3D demonstration programs were released at launch.

Basically the chip can spread out memory requests faster and more directly to the RAM chips. The X cards have 3 pixel shaders on each pipeline instead of 1, giving a total of 48 pixel shader units. Views Read Ams View history.

This means that RV has the same x16650 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. The Radeon X video cards, that included a R, were released with a delay of several months because ATI engineers discovered a bug within the GPU in a very late stage of the development.


RV, for example, has two internal bit buses instead. Ams series is the budget solution of the X series and is based on the RV core.

ATI Radeon X1650 XT

The RV has a 3: The R is the foundation for a line of DirectX 9. The X was based on the R core and was sold as an ultra-low-budget part.

X was quickly replaced by X because of its delayed release. ATI Technologies products Video cards.

ATI Radeon™ X1650 Overview

It also gains three extra vertex shaders, bringing the total to 5 units. HDCP is mandatory for the output of certain audio formats, placing additional constraints on the multimedia ame.

Not only are they fully Shader Model 3 capable, but ATI introduced some innovative advancements in shader threading that can greatly improve the efficiency of the shader units. At aamd 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 layers.

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. 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 c1650 high-bandwidth connection to each shader array.


Retrieved from ” https: With chips such as RV and R, amf the number of shader units per pipeline triples, the efficiency of pixel shading drops off slightly because these shaders still have the akd level of threading resources as the less endowed RV and R Like its predecessor X, the R chip carries 4 “quads” 4 pipelines eachwhich wmd it has similar texturing capability if at the same clock speed as its ancestor, and the NVIDIA series.

See article on R’s pixel shaders. The card was launched on August 23, Because of its smaller design, these cards also offer lower power demands 30 wattsso they run cooler and can be used in smaller cases. In other projects Wikimedia Commons.

For example, the X uses 4 “quads”. ATI opted to fit the cards with either MiB or MiB on-board memory foreseeing a future of ever growing demands on x1560 memory size. Other improvements include x texture support and ATI’s 3Dc normal map compression sees an improvement in compression ratio for more specific situations.

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.