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ATI Radeon X850 XT AGP

Graphics Processor
R481
Pixel Shaders
16
Vertex Shaders
6
TMUs
16
ROPs
16
Memory Size
256 MB
Memory Type
GDDR3
Bus Width
256 bit
The Radeon X850 XT AGP was a graphics card by ATI, launched in February 2005. Built on the 130 nm process, and based on the R481 graphics processor, in its R481 XT variant, the card supports DirectX 9.0b. Since Radeon X850 XT AGP does not support DirectX 11 or DirectX 12, it might not be able to run all the latest games. The R481 graphics processor is an average sized chip with a die area of 297 mm² and 160 million transistors. It features 16 pixel shaders and 6 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 paired 256 MB GDDR3 memory with the Radeon X850 XT AGP, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 520 MHz, memory is running at 540 MHz.
Being a dual-slot card, the ATI Radeon X850 XT AGP draws power from 1x Molex power connector, with power draw rated at 69 W maximum. Display outputs include: 1x DVI, 1x VGA, 1x S-Video. Radeon X850 XT AGP is connected to the rest of the system using an AGP 8x interface.

Graphics Processor

GPU Name
R481
GPU Variant
R481 XT
(215RAFCGA11F)
Architecture
R400
Foundry
TSMC
Process Size
130 nm
Transistors
160 million
Die Size
297 mm²

Graphics Card

Release Date
Feb 28th, 2005
Generation
Radeon R400 AGP
(X850)
Production
End-of-life
Bus Interface
AGP 8x
Reviews
58 in our database

Clock Speeds

GPU Clock
520 MHz
Memory Clock
540 MHz
1080 MHz effective

Memory

Memory Size
256 MB
Memory Type
GDDR3
Memory Bus
256 bit
Bandwidth
34.56 GB/s

Render Config

Pixel Shaders
16
Vertex Shaders
6
TMUs
16
ROPs
16

Theoretical Performance

Pixel Rate
8.320 GPixel/s
Vertex Rate
780.0 MVertices/s
Texture Rate
8.320 GTexel/s

Board Design

Slot Width
Dual-slot
TDP
69 W
Suggested PSU
350 W
Outputs
1x DVI
1x VGA
1x S-Video
Power Connectors
1x Molex

Graphics Features

DirectX
9.0b (9_2)
OpenGL
2.0
OpenCL
N/A
Vulkan
N/A
Pixel Shader
2.0b
Vertex Shader
2.0b

R481 GPU Notes

Codename: Loki
Graphics/Compute: GFX2
Video Shader HD
Programmable pixel&vertex pipelines