AMD Radeon HD 6970M vs ATI Mobility Radeon HD 2600 XT

VS

AMD Radeon HD 6970M

ATI Mobility Radeon HD 2600 XT

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M 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

AMD Radeon HD 6970M 's Advantages

Released 3 years and 8 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 24.00GB/s)

840 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6970M +701%

1.306 TFLOPS

Mobility Radeon HD 2600 XT

0.163 TFLOPS

Radeon HD 6970M

VS

Mobility Radeon HD 2600 XT

Graphics Card

Jan 2011

Release Date

May 2007

Vancouver

Generation

M7x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

-

900 MHz

Memory Clock

750 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

24.00GB/s

Render Config

12

Compute Units

3

-

960

Shading Units

120

48

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

21.76 GPixel/s

Pixel Rate

2.720 GPixel/s

32.64 GTexel/s

Texture Rate

5.440 GTexel/s

-

1306 GFLOPS

FP32 (float)

163.2 GFLOPS

-

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

M76

Blackcomb XT (216-0811000)

GPU Variant

M76 XT-M (216XJBKA13FG)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.7 billion

Transistors

0.39 billion

212 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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