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ATI M98

Default
M98
M98 XT
M98 XT
XT
XT
ATI's M98 GPU uses the TeraScale architecture and is made using a 55 nm production process at TSMC. With a die size of 256 mm² and a transistor count of 956 million it is a medium-sized chip. M98 supports DirectX 10.1. It features 800 shading units, 40 texture mapping units and 16 ROPs.

Graphics Processor

GPU Name
M98
Architecture
TeraScale
Foundry
TSMC
Process Size
55 nm
Transistors
956 million
Density
3.7M / mm²
Die Size
256 mm²
Released
Jan 9th, 2009

Graphics Features

DirectX
10.1
OpenGL
3.3
OpenCL
1.1
Vulkan
N/A
Shader Model
4.1
Compute
GFX3

Render Config

Shading Units
800
TMUs
40
ROPs
16
Compute Units
10
L1 Cache
16 KB per CU
L2 Cache
256 KB

All TeraScale GPUs

Graphics cards using the ATI M98 GPU

Name Chip Memory Shaders TMUs ROPs GPU Clock Memory Clock
ATI Mobility Radeon HD 4850 1024 MB 800 40 16 500 MHz 850 MHz
ATI Mobility Radeon HD 4870 M98 XT 512 MB 800 40 16 550 MHz 888 MHz
ATI Mobility Radeon HD 4870 X2 M98 XT 1024 MB 800 40 16 550 MHz 700 MHz
ATI Mobility Radeon HD 4850 X2 1024 MB 800 40 16 500 MHz 700 MHz
ATI Mobility Radeon HD 4850 Mac Edition 512 MB 800 40 16 503 MHz 850 MHz

M98 GPU Notes

Chip Variant: RV770 (Wekiva)
Graphics/Compute: GFX3
Display Core Engine: 3.1
Unified Video Decoder: 2.0