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AMD Chelsea

Default
Chelsea
Block Diagram
Block Diagram
CU Diagram
CU Diagram
LDS Diagram
LDS Diagram
AMD's Chelsea GPU uses the GCN 1.0 architecture and is made using a 28 nm production process at TSMC. With a die size of 123 mm² and a transistor count of 1,500 million it is a small chip. Chelsea supports DirectX 12 (Feature Level 11_1). For GPU compute applications, OpenCL version 2.1 (1.2) can be used. It features 512 shading units, 32 texture mapping units and 16 ROPs.
Further reading: GCN 1.0 Architecture Whitepaper , Southern Islands Instruction Set Architecture

Graphics Processor

Released
Apr 24th, 2012
GPU Name
Chelsea
Desktop Variant
Cape Verde
Mobile Variant
Heathrow
Mobile Variant 2
Venus / Tropo
Generation
Southern Islands
Architecture
GCN 1.0
Foundry
TSMC
Package
FCBGA-962
Process Size
28 nm
Transistors
1,500 million
Density
12.2M / mm²
Die Size
123 mm²
Package
FCBGA-962

Graphics Features

DirectX
12 (11_1)
OpenGL
4.6
OpenCL
2.1 (1.2)
Vulkan
1.2.170
Shader Model
6.5 (5.1)
WDDM
2.7
Compute
GFX6 (gfx601)
DCE
6.0
UVD
4.0
VCE
1.0
CLRX
GCN 1.0.0

Render Config

Shading Units
512
TMUs
32
ROPs
16
Compute Units
8
Z-Stencil
64
ACEs
2
GEs
1
L1 Cache
16 KB per CU
L2 Cache
256 KB
Max. TDP
33 W

All GCN 1.0 GPUs

AMD GPU Architecture History

Graphics cards using the AMD Chelsea GPU

Name Chip Memory Shaders TMUs ROPs GPU Clock Memory Clock
AMD Radeon HD 7750M
Chelsea PRO 1024 MB 512 32 16 575 MHz 1000 MHz
AMD Radeon HD 7730M
Chelsea PRO 2 GB 512 32 16 575 MHz 900 MHz
AMD Radeon HD 7770M
Chelsea XT 1024 MB 512 32 16 675 MHz 1000 MHz
AMD FirePro M4000
Chelsea XT GL 1024 MB 512 32 16 675 MHz 1000 MHz

Chelsea GPU Notes

Generation: Southern Islands
Desktop Variant: Cape Verde
Mobile Variant: Heathrow / Venus / Tropo
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0
CLRX: GCN 1.0
Jun 29th, 2024 15:06 EDT change timezone

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