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ATI Radeon X1800 XT

ATI Radeon X1800 XT Image ATI R520 Image
The Radeon X1800 XT was a high-end graphics card by ATI, launched in October 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. The R520 graphics processor is an average sized chip with a die area of 288 mm² and 321 million transistors. It features 16 pixel shaders and 8 vertex shaders, 16 texture mapping units and 16 ROPs. Due to the lack of unified shaders you will not be able to run recent games at all (which require unified shader/DX10+ support). ATI has placed 512 MB GDDR3 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 600 MHz, memory is running at 700 MHz.
We recommend the ATI Radeon X1800 XT for gaming with highest details at resolutions up to, and including, 1280x720.
Being a dual-slot card, the ATI Radeon X1800 XT draws power from 1x 6-pin power connectors, with power draw rated at 113 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon X1800 XT is connected to the rest of the system using a PCIe 1.0 x16 interface. Its price at launch was 549 US Dollars.

Graphics Processor

GPU Name: R520
GPU Variant: R520 XT
Process Size: 90 nm
Transistors: 321 million
Die Size: 288 mm²

Graphics Card

Released: Oct 1st, 2005
Production Status: End-of-life
Launch Price: 549 USD
Bus Interface: PCIe 1.0 x16

Clock Speeds

GPU Clock: 600 MHz
Memory Clock: 700 MHz
1400 MHz effective

Memory

Memory Size: 512 MB
Memory Type: GDDR3
Memory Bus: 256 bit
Bandwidth: 44.8 GB/s

Render Config

Pixel Shaders: 16
Vertex Shaders: 8
TMUs: 16
ROPs: 16
Pixel Rate: 9.60 GPixel/s
Vertex Rate: 1.20 GVertices/s
Texture Rate: 9.60 GTexel/s

Board Design

Slot Width: Dual-slot
TDP: 113 W
Outputs: 2x DVI
1x S-Video
Power Connectors: 1x 6-pin
Board Number: A520

Graphics Features

DirectX: 9.0c
OpenGL: 2.0
OpenCL: n/a
Shader Model: 3.0

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Reviews

Our review database contains 76 reviews of the Radeon X1800 XT.

Retail boards based on this design

Name GPU Clock Memory Clock Other Changes
Sapphire X1800 XT Performance 700 MHz 800 MHz