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Dell HD 7970M

Graphics Processor
Wimbledon
Cores
1280
TMUs
80
ROPs
32
Memory Size
2 GB
Memory Type
GDDR5
Bus Width
256 bit
Front GPU Chip
GPU Chip
GPU

Graphics Processor

GPU Name
Wimbledon
GPU Variant
Wimbledon XT
(216-0836036)
Architecture
GCN 1.0
Foundry
TSMC
Process Size
28 nm
Transistors
2,800 million
Density
13.2M / mm²
Die Size
212 mm²
Chip Package
FCBGA-1737

Mobile Graphics

Release Date
Apr 24th, 2012
Generation
London
(HD 7900M)
Predecessor
Vancouver
Successor
Solar System
Production
End-of-life
Bus Interface
MXM-B (3.0)

Clock Speeds

GPU Clock
850 MHz
Memory Clock
1200 MHz
4.8 Gbps effective

Memory

Memory Size
2 GB
Memory Type
GDDR5
Memory Bus
256 bit
Bandwidth
153.6 GB/s

Render Config

Shading Units
1280
TMUs
80
ROPs
32
Compute Units
20
L1 Cache
16 KB (per CU)
L2 Cache
512 KB

Theoretical Performance

Pixel Rate
27.20 GPixel/s
Texture Rate
68.00 GTexel/s
FP32 (float)
2.176 TFLOPS
FP64 (double)
136.0 GFLOPS (1:16)

Board Design

Slot Width
MXM Module
TDP
100 W
Outputs
Portable Device Dependent
Power Connectors
None
Board Number
109-C42957-00B

Graphics Features

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

Wimbledon GPU Notes

Generation: Southern Islands
Desktop Variant: Pitcairn / Curacao / Trinidad
Mobile Variant: Wimbledon
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
Dell HD 7970M
850 MHz 1200 MHz
May 9th, 2024 19:08 EDT change timezone

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