AMD Radeon HD 7950M vs AMD Radeon HD 7670M Rebrand

VS

AMD Radeon HD 7950M

AMD Radeon HD 7670M Rebrand

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 1024MB VRAM Radeon HD 7670M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 28.80GB/s)

800 additional rendering cores

AMD Radeon HD 7670M Rebrand 's Advantages

Lower TDP (20W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 7950M +211%

1.792 TFLOPS

Radeon HD 7670M Rebrand

0.576 TFLOPS

Radeon HD 7950M

VS

Radeon HD 7670M Rebrand

Graphics Card

Apr 2012

Release Date

Jul 2012

London

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

128.0GB/s

Bandwidth

28.80GB/s

Render Config

20

Compute Units

6

-

1280

Shading Units

480

80

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

9.600 GPixel/s

56.00 GTexel/s

Texture Rate

14.40 GTexel/s

-

1.792 TFLOPS

FP32 (float)

576.0 GFLOPS

-

Board Design

75W

TDP

20W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Wimbledon

GPU Name

Whistler

Wimbledon PRO

GPU Variant

Whistler XT (216-0810001)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.716 billion

212 mm²

Die Size

104 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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