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Sapphire X1800 XT Performance

Graphics Processor
Pixel Shaders
Vertex Shaders
512 MB
Memory Size
Memory Type
256 bit
Bus Width
Sapphire X1800 XT Performance Image ATI R520 Image

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
Dec 16th, 2005
Production Status: End-of-life
Bus Interface: PCIe 1.0 x16
Sapphire Part #: 100154L

Clock Speeds

GPU Clock: 600 MHz
700 MHz (+17%)
Memory Clock: 700 MHz
800 MHz (+14%)
1400 MHz effective
1600 MHz effective


Memory Size: 512 MB
Memory Type: GDDR3
Memory Bus: 256 bit
Bandwidth: 44.80 GB/s
51.20 GB/s

Render Config

Pixel Shaders: 16
Vertex Shaders: 8
TMUs: 16
ROPs: 16
Pixel Rate: 9.600 GPixel/s
11.20 GPixel/s
Vertex Rate: 1.200 GVertices/s
1.400 GVertices/s
Texture Rate: 9.600 GTexel/s
11.20 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


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

Other retail boards based on this design

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