AMD Radeon HD 6670A vs ATI Mobility Radeon HD 2600 XT Mac Edition

VS

AMD Radeon HD 6670A

ATI Mobility Radeon HD 2600 XT Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 256MB VRAM Mobility Radeon HD 2600 XT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670A 's Advantages

Released 3 years and 9 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 21.92GB/s)

360 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6670A +300%

0.576 TFLOPS

Mobility Radeon HD 2600 XT Mac Edition

0.144 TFLOPS

Radeon HD 6670A

VS

Mobility Radeon HD 2600 XT Mac Edition

Graphics Card

Apr 2011

Release Date

Jul 2007

All-In-One

Generation

M7x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-II

Clock Speeds

-

1000 MHz

Memory Clock

685 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

21.92GB/s

Render Config

6

Compute Units

3

-

480

Shading Units

120

24

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

2.400 GPixel/s

14.40 GTexel/s

Texture Rate

4.800 GTexel/s

-

576.0 GFLOPS

FP32 (float)

144.0 GFLOPS

-

Board Design

45W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Turks

GPU Name

M76

Turks XT (215-0803000)

GPU Variant

M76 XT-M (216XJBKA13FG)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.716 billion

Transistors

0.39 billion

118 mm²

Die Size

153 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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