AMD Radeon HD 6950M vs AMD Radeon HD 6990M

VS

AMD Radeon HD 6950M

AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6950M and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950M 's Advantages

Lower TDP (50W vs 100W)

AMD Radeon HD 6990M 's Advantages

Released 6 months late

More VRAM (2GB vs 1024GB)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6950M

1.114 TFLOPS

Radeon HD 6990M +43%

1.602 TFLOPS

Radeon HD 6950M

VS

Radeon HD 6990M

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

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

115.2GB/s

Render Config

12

Compute Units

14

-

960

Shading Units

1120

48

TMUs

56

32

ROPs

32

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

18.56 GPixel/s

Pixel Rate

22.88 GPixel/s

27.84 GTexel/s

Texture Rate

40.04 GTexel/s

-

1114 GFLOPS

FP32 (float)

1.602 TFLOPS

-

Board Design

50W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

Blackcomb

Blackcomb PRO

GPU Variant

Blackcomb XTX (216-0811030)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

1.7 billion

212 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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