AMD Radeon HD 6670A vs AMD Radeon HD 6550M

VS

AMD Radeon HD 6670A

AMD Radeon HD 6550M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 1024MB VRAM Radeon HD 6550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670A 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

80 additional rendering cores

AMD Radeon HD 6550M 's Advantages

Lower TDP (26W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 6670A +20%

0.576 TFLOPS

Radeon HD 6550M

0.48 TFLOPS

Radeon HD 6670A

VS

Radeon HD 6550M

Graphics Card

Apr 2011

Release Date

Nov 2010

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-II

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.80GB/s

Render Config

6

Compute Units

5

-

480

Shading Units

400

24

TMUs

20

8

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

4.800 GPixel/s

14.40 GTexel/s

Texture Rate

12.00 GTexel/s

-

576.0 GFLOPS

FP32 (float)

480.0 GFLOPS

-

Board Design

45W

TDP

26W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Turks

GPU Name

Lexington

Turks XT (215-0803000)

GPU Variant

-

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

2.154 billion

118 mm²

Die Size

334 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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