AMD Radeon HD 6970M vs AMD Radeon HD 6990M Rebrand

VS

AMD Radeon HD 6970M

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M and 1024MB VRAM Radeon HD 6990M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 70.40GB/s)

160 additional rendering cores

Lower TDP (75W vs 100W)

AMD Radeon HD 6990M Rebrand 's Advantages

Released 6 months late

Score

Benchmark

FP32 (float)

Radeon HD 6970M +2%

1.306 TFLOPS

Radeon HD 6990M Rebrand

1.28 TFLOPS

Radeon HD 6970M

VS

Radeon HD 6990M Rebrand

Graphics Card

Jan 2011

Release Date

Jul 2011

Vancouver

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1100 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

70.40GB/s

Render Config

12

Compute Units

14

-

960

Shading Units

800

48

TMUs

40

32

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

21.76 GPixel/s

Pixel Rate

12.80 GPixel/s

32.64 GTexel/s

Texture Rate

32.00 GTexel/s

-

1306 GFLOPS

FP32 (float)

1280 GFLOPS

-

Board Design

75W

TDP

100W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

Broadway

Blackcomb XT (216-0811000)

GPU Variant

Broadway XTX

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

1.04 billion

212 mm²

Die Size

166 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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