ATI Mobility Radeon HD 4550 vs ATI Mobility Radeon HD 2600 XT

VS

ATI Mobility Radeon HD 4550

ATI Mobility Radeon HD 2600 XT

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4550 and 256MB VRAM Mobility Radeon HD 2600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4550 's Advantages

Released 2 years and 8 months late

More VRAM (512GB vs 256GB)

ATI Mobility Radeon HD 2600 XT 's Advantages

Larger VRAM bandwidth (24.00GB/s vs 11.20GB/s)

40 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4550

0.088 TFLOPS

Mobility Radeon HD 2600 XT +85%

0.163 TFLOPS

Mobility Radeon HD 4550

VS

Mobility Radeon HD 2600 XT

Graphics Card

Jan 2010

Release Date

May 2007

M9x

Generation

M7x

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-II

Clock Speeds

-

700 MHz

Memory Clock

750 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

11.20GB/s

Bandwidth

24.00GB/s

Render Config

1

Compute Units

3

-

80

Shading Units

120

8

TMUs

8

4

ROPs

4

-

16 KB (per CU)

L1 Cache

-

64 KB

L2 Cache

64 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

2.720 GPixel/s

4.400 GTexel/s

Texture Rate

5.440 GTexel/s

-

88.00 GFLOPS

FP32 (float)

163.2 GFLOPS

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

M93

GPU Name

M76

-

GPU Variant

M76 XT-M (216XJBKA13FG)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.242 billion

Transistors

0.39 billion

73 mm²

Die Size

153 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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