AMD Radeon HD 6670A vs AMD Radeon HD 6970M

VS

AMD Radeon HD 6670A

AMD Radeon HD 6970M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 1024MB VRAM Radeon HD 6970M 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 6970M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 64.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670A

0.576 TFLOPS

Radeon HD 6970M +126%

1.306 TFLOPS

Radeon HD 6670A

VS

Radeon HD 6970M

Graphics Card

Apr 2011

Release Date

Jan 2011

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

115.2GB/s

Render Config

6

Compute Units

12

-

480

Shading Units

960

24

TMUs

48

8

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

21.76 GPixel/s

14.40 GTexel/s

Texture Rate

32.64 GTexel/s

-

576.0 GFLOPS

FP32 (float)

1306 GFLOPS

-

Board Design

45W

TDP

75W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Turks

GPU Name

Blackcomb

Turks XT (215-0803000)

GPU Variant

Blackcomb XT (216-0811000)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

1.7 billion

118 mm²

Die Size

212 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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