AMD Radeon HD 6950M vs ATI Mobility Radeon HD 5670 Mac Edition

VS

AMD Radeon HD 6950M

ATI Mobility Radeon HD 5670 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6950M and 512MB VRAM Mobility Radeon HD 5670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950M 's Advantages

Released 9 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 25.44GB/s)

560 additional rendering cores

ATI Mobility Radeon HD 5670 Mac Edition 's Advantages

Lower TDP (15W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 6950M +114%

1.114 TFLOPS

Mobility Radeon HD 5670 Mac Edition

0.52 TFLOPS

Radeon HD 6950M

VS

Mobility Radeon HD 5670 Mac Edition

Graphics Card

Jan 2011

Release Date

Apr 2010

Vancouver

Generation

Manhattan

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

795 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

25.44GB/s

Render Config

12

Compute Units

5

-

960

Shading Units

400

48

TMUs

20

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

18.56 GPixel/s

Pixel Rate

5.200 GPixel/s

27.84 GTexel/s

Texture Rate

13.00 GTexel/s

-

1114 GFLOPS

FP32 (float)

520.0 GFLOPS

-

Board Design

50W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Blackcomb

GPU Name

Madison

Blackcomb PRO

GPU Variant

Madison XT (216-0772003)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

0.627 billion

212 mm²

Die Size

104 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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