See article on R’s pixel shaders. A compatible HDCP display is also needed for this. The R’s supporting cast gets similar tweaks. For the R chip itself, the big change is in power management. This page was last edited on 31 July , at

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However, not all has been roses. ATI has chosen a different chip substrate component in order to ease the quest for higher memory clock speeds. LG HU85L projector needs but two inches to cast a 90″ picture.

ATI Radeon X850 XT (256 MB) Series

In intense 3D gaming and benchmarking sessions, even with relatively warm ambient temperatures, the X XT PE was generally quieter than a GeForce Ultra, which isn’t bad company to keep.

Like the R, the R is manufactured by TSMC on its low-k nm fab process, but the R and its supporting cast have been tweaked and tuned to reach higher clock speeds more easily and reliably.

Merry Christmas from The Tech Report staff! Both of the Radeon X cards will use a single-slot cooler and require no external power plug at least on PCI Express versions. At boot time, that blower cranked up briefly to full speed, aurally evoking an Oreck XL.


The R and R aren’t revolutionary by any means, but ATI has brought some notable changes to each of them. Retrieved 23 March HDCP is mandatory for the output of certain audio formats, placing additional constraints on the multimedia setup. The new high-end R4x0-generation arrived with the X series, equipped with various core tweaks for slightly higher performance than the “R”-based X series. The card surpassed the GT with performance similar to that of the GeForce The R’s supporting cast gets similar tweaks.

The “R”-based X line was available in 3 forms: ATI Technologies products Video cards.

Customize The Tech Report ATI says the 256bm should use as little as half the power and produce half the heat of the R in “2D” desktop use. Relevant discussion may be found on the talk page. This process, combined with lower clock speeds, should allow Rbased cards to thrive with a relatively minimalist single-slot cooler.

Radeon X Series – Wikipedia

Rbased Radeon X cards will get a much smaller cooler. Retrieved 7 December Graphics Previous page Next page. From Wikipedia, the free encyclopedia.

This article’s lead section may not adequately summarize its contents. R was unable to reach high clock speeds, having been designed to reduce the cost per GPU, creating a need for new top-of-the-line core. Voldenuit It’s nice of Krogoth to fill in for Chuckula over the holidays.


Current technologies and software. UVD 7 [1] [d]. Neutronbeam Zak, you know you can’t validate any of the above details without first throwing The board design has been changed to improve power delivery to the graphics chip.

ATI Radeon X850 XT PE 256mb Vivo Pci-e Dual DVI out S-video Graphic Card

This change, like all the others to the R, is intended to bring higher clock speeds with less fuss, so that supply of Rbased cards might actually x850st able to keep up with demand. Instead of dynamic clock gating and a big-ass fan, though, the R gets a bit of a die shrink courtesy of TSMC’s nm fab process.

The R will be aimed at the very top of the performance ranks. Oh, sure, the streets 256mv exactly awash in GeForce Ultras, but the Platinum Edition has been brutally scarce.