AMD Radeon HD 6970M vs AMD Radeon HD 7950M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M 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 7950M 's Advantages

Released 1 years and 3 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (128.0GB/s vs 115.2GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6970M

1.306 TFLOPS

Radeon HD 7950M +37%

1.792 TFLOPS

Radeon HD 6970M

VS

Radeon HD 7950M

Graphics Card

Jan 2011

Release Date

Apr 2012

Vancouver

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

12

Compute Units

20

960

Shading Units

1280

48

TMUs

80

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

Theoretical Performance

21.76 GPixel/s

Pixel Rate

22.40 GPixel/s

32.64 GTexel/s

Texture Rate

56.00 GTexel/s

-

FP16 (half)

-

1306 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

-

Graphics Processor

Blackcomb

GPU Name

Wimbledon

Blackcomb XT (216-0811000)

GPU Variant

Wimbledon PRO

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

2.8 billion

212 mm²

Die Size

212 mm²

Board Design

75W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

5.0

Shader Model

5.1

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