AMD Radeon HD 6670A vs AMD Radeon HD 7950M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A 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 6670A 's Advantages

Lower TDP (45W vs 75W)

AMD Radeon HD 7950M 's Advantages

Released 1 years late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (128.0GB/s vs 64.00GB/s)

800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670A

0.576 TFLOPS

Radeon HD 7950M +211%

1.792 TFLOPS

Radeon HD 6670A

VS

Radeon HD 7950M

Graphics Card

Apr 2011

Release Date

Apr 2012

All-In-One

Generation

London

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

128.0GB/s

Render Config

-

SM Count

-

6

Compute Units

20

480

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

4.800 GPixel/s

Pixel Rate

22.40 GPixel/s

14.40 GTexel/s

Texture Rate

56.00 GTexel/s

-

FP16 (half)

-

576.0 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

-

Graphics Processor

Turks

GPU Name

Wimbledon

Turks XT (215-0803000)

GPU Variant

Wimbledon PRO

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

2.8 billion

118 mm²

Die Size

212 mm²

Board Design

45W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

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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