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ATI Radeon X1800 GTO

Graphics Processor
R520
Pixel Shaders
16
Vertex Shaders
8
TMUs
12
ROPs
12
Memory Size
256 MB
Memory Type
GDDR3
Bus Width
256 bit
The Radeon X1800 GTO was a graphics card by ATI, launched in March 2006. Built on the 90 nm process, and based on the R520 graphics processor, in its R520 LE 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, 12 texture mapping units and 12 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 256 MB GDDR3 memory on the card, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 500 MHz, memory is running at 495 MHz.
Being a single-slot card, the ATI Radeon X1800 GTO draws power from 1x 6-pin power connectors, with power draw rated at 48 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon X1800 GTO is connected to the rest of the system using a PCI-Express 1.0 x16 interface.

Graphics Processor

GPU Name
R520
GPU Variant
R520 LE
(215RFLBKA14FG)
Architecture
R500
Foundry
TSMC
Process Size
90 nm
Transistors
321 million
Die Size
288 mm²

Graphics Card

Release Date
Mar 1st, 2006
Generation
Radeon R500 PCIe
(X1800)
Production
End-of-life
Bus Interface
PCIe 1.0 x16

Clock Speeds

GPU Clock
500 MHz
Memory Clock
495 MHz
990 MHz effective

Memory

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

Render Config

Pixel Shaders
16
Vertex Shaders
8
TMUs
12
ROPs
12

Theoretical Performance

Pixel Rate
6.000 GPixel/s
Vertex Rate
1.000 GVertices/s
Texture Rate
6.000 GTexel/s

Board Design

Slot Width
Single-slot
TDP
48 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
Vulkan
N/A
Shader Model
3.0

R520 GPU Notes

Codename: Fudo
Graphics/Compute: GFX2
Display Core Engine: 1.0
Avivo Video
Programmable pixel&vertex pipelines