AMD Radeon HD 6550M vs AMD Radeon HD 7950M

VS

AMD Radeon HD 6550M

AMD Radeon HD 7950M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6550M 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 6550M 's Advantages

Lower TDP (26W vs 75W)

AMD Radeon HD 7950M 's Advantages

Released 1 years and 5 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (128.0GB/s vs 28.80GB/s)

880 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6550M

0.48 TFLOPS

Radeon HD 7950M +273%

1.792 TFLOPS

Radeon HD 6550M

VS

Radeon HD 7950M

Graphics Card

Nov 2010

Release Date

Apr 2012

Vancouver

Generation

London

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.80GB/s

Bandwidth

128.0GB/s

Render Config

5

Compute Units

20

-

400

Shading Units

1280

20

TMUs

80

8

ROPs

32

-

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

12.00 GTexel/s

Texture Rate

56.00 GTexel/s

-

480.0 GFLOPS

FP32 (float)

1.792 TFLOPS

-

Board Design

26W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Lexington

GPU Name

Wimbledon

-

GPU Variant

Wimbledon PRO

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

2.154 billion

Transistors

2.8 billion

334 mm²

Die Size

212 mm²

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

-

5.0

Shader Model

5.1

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