Along these ring buses are 4 “stop” points where data exits the ring and going into or out of the memory chips. Add your comment to this article You need to be a member to leave a comment. Radeon HD Series. Retrieved 7 December 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 X problem Apr 2, Unfortunately, due to the programming content of available games, the X is greatly hampered by lack of texturing power.

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ATI Radeon X1300 (256MB, PCI)

Yes, my password is: Changes radron for SM3. 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. The demo showcased a highly complex environment, with high dynamic range lighting HDR and dynamic soft shadows.

From Wikipedia, the free encyclopedia. This page was last edited on 8 Mayat See article on R’s pixel shaders. Again, the smaller cores such as RV and RV receive cutbacks due to their smaller, less costly ahi.

ATI Catalyst Radeon X1300/X1550 series

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Support in this table refers to the most current version. The card was launched on August 23, Retrieved 23 March No, create an account now.

This design rdeon memory accesses to be far quicker though lower latency by virtue of the smaller radepn the signals need to move through the GPU, and by increasing the number of banks per DRAM. Your name or email address: This modular design allows ATI to build a “top to bottom” line-up using identical technology, saving research and development time and money.

ATI Catalyst Radeon X/X series – TechSpot Forums

The chip’s single “quad” has 3 pixel shader processors per pipeline, similar to the design of R’s 4 quads. The RV has a 3: You must log in or sign up to reply wti.

Already have an account? The chip also ups the vertex shader number from 6 on X to 8. ATI Technologies products Video cards. Unfortunately, due to the programming content of available games, the X is greatly hampered by lack of texturing power.

Radeon X series – Wikipedia

The Radeon X series using the core was introduced on October 5,and competed primarily against nVidia’s GeForce series. Radeon R5xx Acceleration v. In addition to ring bus, each memory channel now has the granularity of bits, which improves memory efficiency when performing small memory requests. ATI opted to fit the cards with either MiB or MiB on-board memory foreseeing a future of ever growing demands on local memory size.


This series is the x3100/x1550 solution of the X series and is based on the RV core. Retrieved 7 December Archived from the original on May 7, The R5xx family introduced a more advanced onboard motion-video engine.

Like its predecessor X, the R chip carries 4 “quads” 4 pipelines eachwhich means it has similar texturing capability if at the same clock speed as its ancestor, and the NVIDIA series. At the end of the pipeline, the texture addressing processors are x1300/x1550 decoupled from pixel shader, so any unused texturing units can be dynamically allocated to pixels that need more texture layers.

When one of the shader quads becomes idle, due to a completion of a task or waiting for other data, the dispatch engine will assign the quad with another task to do in the meantime, with the overall result being a greater utilization of the shader units, theoretically.