The Radeon X1800 XT was a high-end graphics card by ATI, launched on October 1st, 2005. Built on the 90 nm process, and based on the R520 graphics processor, in its R520 XT variant, the card supports DirectX 9.0c.

X1800的发布创造了多项第一，它是第一款采用90nm制程的图形核心，同时是05年集成晶体管最多、核心频率首次突破600Mhz的图形芯片. 1800XT，核心代号R520，显卡核心Radeon X1800 XT。

2005年10月5日 · ATI's new Radeon X1800 XT 3D card. ATI shot a blank with its dual-card CrossFire release two weeks ago, and while its next-generation Radeon X1800 XT ($549) is a powerful Direct3D gaming tool,...

Radeon X1800 XT, formerly known as R520, is the new high-end chip from ATI, directly competing with GeForce 7800 GTX from NVIDIA. We’ve got a reference sample for this model from ATI, so we will...

2005年10月5日 · Even the 6800 GT is able to best ATI's new flagship, the X1800 XT. The X1800 XT falls just short of the NVIDIA 7800 GTX at 1600x1200 4xAA/8xAF with a score of 59.5 fps. The X1800 XL and XT...

Some basic facts about Radeon X1800 XT: architecture, market segment, release date etc. Radeon X1800 XT's general performance parameters such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed.

2005 年 10 月初， ATI 推出了代号为 R520 的 Radeon X1800 系列 产品，作为 ATI 的第一个高端 Shader Model 3.0 产品， R520 拥有 90nm 制造工艺、 6xxMHz 的高频率、 HDR+FSAA 等诸多特点，就技术而言， Radeon X1800 的确是非常令人艳羡的产品。

The Mobility Radeon X1800 XT was a mobile graphics chip by ATI, launched on March 1st, 2006. Built on the 90 nm process, and based on the M58 graphics processor, in its M58 P variant, the chip supports DirectX 9.0c.

Released in October 2005, ATI Radeon X1800 XT desktop Graphics Processing Unit utilizes Ultra-Threaded Shader Engine architecture, and is built on 90 nm manufacturing process.

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