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AMD Onega

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Onega
Block Diagram
Block Diagram
AMD's Onega GPU uses the TeraScale 2 architecture and is made using a 40 nm production process at TSMC. With a die size of 118 mm² and a transistor count of 716 million it is a small chip. Onega supports DirectX 11.2 (Feature Level 11_0). It features 480 shading units, 24 texture mapping units and 8 ROPs.
Further reading: TeraScale 2 Instruction Set Architecture

Graphics Processor

GPU Name
Onega
Architecture
TeraScale 2
Foundry
TSMC
Process Size
40 nm
Transistors
716 million
Density
6.1M / mm²
Die Size
118 mm²
Released
Apr 19th, 2011

Graphics Features

DirectX
11.2 (11_0)
OpenGL
4.4
OpenCL
1.2
Vulkan
N/A
Shader Model
5.0
Compute
GFX4

Render Config

Shading Units
480
TMUs
24
ROPs
8
Compute Units
6
L1 Cache
8 KB per CU
L2 Cache
256 KB
Max. TDP
45 W

All TeraScale 2 GPUs

Graphics cards using the AMD Onega GPU

Name Chip Memory Shaders TMUs ROPs GPU Clock Memory Clock
AMD Radeon HD 7650A 1024 MB 480 24 8 600 MHz 900 MHz
AMD Radeon HD 6650A 1024 MB 480 24 8 600 MHz 900 MHz

Onega GPU Notes

Architecture Codename: Northern Islands
Chip Variant: Turks
Graphics/Compute: GFX4
Display Core Engine: 5.0
Unified Video Decoder: 3.1