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ATI M74

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M74
Block Diagram
Block Diagram
ATI's M74 GPU uses the TeraScale architecture and is made using a 65 nm production process at TSMC. With a die size of 82 mm² and a transistor count of 180 million it is a very small chip. M74 supports DirectX 10.0 (Feature Level 10_0). It features 40 shading units, 4 texture mapping units and 4 ROPs.
Further reading: R600 Series Instruction Set Architecture

Graphics Processor

GPU Name
M74
Architecture
TeraScale
Foundry
TSMC
Process Size
65 nm
Transistors
180 million
Density
2.2M / mm²
Die Size
82 mm²
Released
May 14th, 2007

Graphics Features

DirectX
10.0 (10_0)
OpenGL
3.3
OpenCL
N/A
Vulkan
N/A
Shader Model
4.0
Compute
GFX3

Render Config

Shading Units
40
TMUs
4
ROPs
4
Compute Units
2
Vertex Cache
32 KB
Texture Cache
32 KB
Tex L1 Cache
32 KB per 4 SPs
L2 Cache
32 KB

All TeraScale GPUs

Graphics cards using the ATI M74 GPU

Name Chip Memory Shaders TMUs ROPs GPU Clock Memory Clock
ATI Mobility Radeon HD 2400 XT 256 MB 40 4 4 600 MHz 400 MHz
ATI Mobility Radeon HD 2400 XT Mac Edition M74-M 128 MB 40 4 4 650 MHz 800 MHz

M74 GPU Notes

Chip Variant: RV610
Codename: Laka
Graphics/Compute: GFX3
Display Core Engine: 2.0
Unified Video Decoder: 1.0