ATI Mobility Radeon HD 2600 XT vs AMD Radeon HD 6550M

VS

ATI Mobility Radeon HD 2600 XT

AMD Radeon HD 6550M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2600 XT 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 6550M 's Advantages

Released 3 years and 6 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (28.80GB/s vs 24.00GB/s)

280 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2600 XT

0.163 TFLOPS

Radeon HD 6550M +194%

0.48 TFLOPS

Mobility Radeon HD 2600 XT

VS

Radeon HD 6550M

Graphics Card

May 2007

Release Date

Nov 2010

M7x

Generation

Vancouver

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-II

Clock Speeds

-

750 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

24.00GB/s

Bandwidth

28.80GB/s

Render Config

3

Compute Units

5

-

120

Shading Units

400

8

TMUs

20

4

ROPs

8

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

4.800 GPixel/s

5.440 GTexel/s

Texture Rate

12.00 GTexel/s

-

163.2 GFLOPS

FP32 (float)

480.0 GFLOPS

-

Board Design

Unknown

TDP

26W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M76

GPU Name

Lexington

M76 XT-M (216XJBKA13FG)

GPU Variant

-

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

2.154 billion

153 mm²

Die Size

334 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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