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ATI Mobility Radeon X800

Graphics Processor
M28
Pixel Shaders
12
Vertex Shaders
6
TMUs
12
ROPs
12
Memory Size
256 MB
Memory Type
GDDR3
Bus Width
256 bit
GPU Chip
GPU
The Mobility Radeon X800 was a mobile graphics chip by ATI, launched on November 1st, 2004. Built on the 130 nm process, and based on the M28 graphics processor, in its M28 X800 variant, the chip supports DirectX 9.0b. Since Mobility Radeon X800 does not support DirectX 11 or DirectX 12, it might not be able to run all the latest games. The M28 graphics processor is an average sized chip with a die area of 289 mm² and 160 million transistors. It features 12 pixel shaders and 6 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 paired 256 MB GDDR3 memory with the Mobility Radeon X800, which are connected using a 256-bit memory interface. The GPU is operating at a frequency of 400 MHz, memory is running at 400 MHz.
Its power draw is not exactly known. This device has no display connectivity, as it is not designed to have monitors connected to it. Rather it is intended for use in laptop/notebooks and will use the output of the host mobile device. Mobility Radeon X800 is connected to the rest of the system using a PCI-Express 1.0 x16 interface.

Graphics Processor

GPU Name
M28
GPU Variant
M28 X800
Architecture
R400
Foundry
TSMC
Process Size
130 nm
Transistors
160 million
Density
553.6K / mm²
Die Size
289 mm²

Mobile Graphics

Release Date
Nov 1st, 2004
Generation
M2x
(Mobility X1)
Predecessor
M1x
Successor
M5x
Production
End-of-life
Bus Interface
PCIe 1.0 x16
Reviews
2 in our database

Clock Speeds

GPU Clock
400 MHz
Memory Clock
400 MHz
800 Mbps effective

Memory

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

Render Config

Pixel Shaders
12
Vertex Shaders
6
TMUs
12
ROPs
12

Theoretical Performance

Pixel Rate
4.800 GPixel/s
Vertex Rate
600.0 MVertices/s
Texture Rate
4.800 GTexel/s

Board Design

TDP
unknown
Outputs
Portable Device Dependent

Graphics Features

DirectX
9.0b (9_2)
OpenGL
2.1
OpenCL
N/A
Vulkan
N/A
Pixel Shader
2.0b
Vertex Shader
2.0b

M28 GPU Notes

Desktop Variant: R423
Codename: Thor
Graphics/Compute: GFX2
Smart Shader HD
Smooth Vision HD
TruForm 2.0
Hyper Z HD
Video Shader HD
3Dc Compression
Programmable pixel&vertex pipelines
Nov 20th, 2024 04:15 EST change timezone

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