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AMD Radeon HD 7770M 2 GB

Graphics Processor
Chelsea
Cores
512
TMUs
32
ROPs
16
Memory Size
2 GB
Memory Type
GDDR5
Bus Width
128 bit
Front GPU Chip
GPU Chip
GPU

Graphics Processor

GPU Name
Chelsea
GPU Variant
Chelsea XT
(216-0834044)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
1,500 million
Density
12.2M / mm²
Die Size
123 mm²
Chip Package
FCBGA-962

Mobile Graphics

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

Clock Speeds

GPU Clock
675 MHz
Memory Clock
1000 MHz
4 Gbps 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
L1 Cache
16 KB (per CU)
L2 Cache
256 KB

Theoretical Performance

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

Board Design

TDP
32 W
Outputs
Portable Device Dependent

Graphics Features

DirectX
12 (11_1)
OpenGL
4.6
OpenCL
2.1 (1.2)
Vulkan
1.2.170
Shader Model
6.5 (5.1)

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

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
Jan 30th, 2025 00:15 EST change timezone

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