ATI Mobility Radeon HD 2600 XT vs ATI Mobility Radeon HD 3670

VS

ATI Mobility Radeon HD 2600 XT

ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2600 XT and 256MB VRAM Mobility Radeon HD 3670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3670 's Advantages

Released 8 months late

Larger VRAM bandwidth (25.60GB/s vs 24.00GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2600 XT

0.163 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

Mobility Radeon HD 2600 XT

VS

Mobility Radeon HD 3670

Graphics Card

May 2007

Release Date

Jan 2008

M7x

Generation

M8x

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

24.00GB/s

Bandwidth

25.60GB/s

Render Config

3

Compute Units

3

-

120

Shading Units

120

8

TMUs

8

4

ROPs

4

-

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

2.720 GPixel/s

5.440 GTexel/s

Texture Rate

5.440 GTexel/s

-

163.2 GFLOPS

FP32 (float)

163.2 GFLOPS

-

Board Design

Unknown

TDP

30W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M76

GPU Name

M86

M76 XT-M (216XJBKA13FG)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.39 billion

Transistors

0.378 billion

153 mm²

Die Size

135 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

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