AMD Radeon HD 7970M vs AMD Radeon HD 7950M

VS

AMD Radeon HD 7970M

AMD Radeon HD 7950M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 2GB VRAM Radeon HD 7950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 128.0GB/s)

AMD Radeon HD 7950M 's Advantages

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 7970M +21%

2.176 TFLOPS

Radeon HD 7950M

1.792 TFLOPS

Radeon HD 7970M

VS

Radeon HD 7950M

Graphics Card

Apr 2012

Release Date

Apr 2012

London

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1200 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

128.0GB/s

Render Config

20

Compute Units

20

-

1280

Shading Units

1280

80

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

22.40 GPixel/s

68.00 GTexel/s

Texture Rate

56.00 GTexel/s

-

2.176 TFLOPS

FP32 (float)

1.792 TFLOPS

136.0 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Wimbledon

GPU Name

Wimbledon

Wimbledon XT (216-0836036)

GPU Variant

Wimbledon PRO

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

2.8 billion

212 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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