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AMD Radeon HD 7770M 2 GB

Chelsea
Graphics Processor
512
Cores
32
TMUs
16
ROPs
2 GB
Memory Size
GDDR5
Memory Type
128 bit
Bus Width
AMD Radeon HD 7770M 2 GB Photo AMD Chelsea Photo

Graphics Processor

GPU Name
Chelsea
GPU Variant
Chelsea XT
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
1,500 million
Die Size
123 mm²

Graphics Card

Release Date
Apr 24th, 2012
Generation
London
(HD 7700M)
Production
End-of-life
Bus Interface
PCIe 2.0 x16

Clock Speeds

GPU Clock
675 MHz
Memory Clock
1000 MHz
4000 MHz effective

Memory

Memory Size
1024 MB
2 GB
Memory Type
GDDR5
Memory Bus
128 bit
Bandwidth
64.00 GB/s

Render Config

Shading Units
512
TMUs
32
ROPs
16
Compute Units
8

Theoretical Performance

Pixel Rate
10.80 GPixel/s
Texture Rate
21.60 GTexel/s
FP32 (float) performance
691.2 GFLOPS
FP64 (double) performance
43.20 GFLOPS (1:16)

Board Design

TDP
32 W
Outputs
No outputs

Graphics Features

DirectX
12.0 (11_1)
OpenGL
4.5
OpenCL
1.2
Vulkan
1.1.86
Shader Model
5.1

Chelsea GPU Notes

Chip Variant: Cape Verde
Graphics/Compute: GFX6 (gfx601)
Display Core Engine: 6.0
Unified Video Decoder: 4.0
Video Compression Engine: 1.0

Other retail boards based on this design (1)

Name GPU Clock Memory Clock Other Changes
AMD Radeon HD 7770M 2 GB 675 MHz 1000 MHz 2 GB