ATI Mobility Radeon X2500 vs AMD Radeon HD 6970M Mac Edition

VS

ATI Mobility Radeon X2500

AMD Radeon HD 6970M Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon X2500 and 2GB VRAM Radeon HD 6970M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Mac Edition 's Advantages

Released 4 years and 2 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 12.80GB/s)

960 additional rendering cores

Score

Mobility Radeon X2500

VS

Radeon HD 6970M Mac Edition

Graphics Card

Jun 2007

Release Date

Aug 2011

M6x

Generation

Vancouver

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

12

-

Shading Units

960

4

TMUs

48

4

ROPs

32

-

L1 Cache

8 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

1.840 GPixel/s

Pixel Rate

21.76 GPixel/s

1.840 GTexel/s

Texture Rate

32.64 GTexel/s

-

FP32 (float)

1306 GFLOPS

-

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M66

GPU Name

Blackcomb

-

GPU Variant

Blackcomb XT (216-0811000)

Ultra-Threaded SE

Architecture

TeraScale 2

TSMC

Foundry

TSMC

90 nm

Process Size

40 nm

0.157 billion

Transistors

1.7 billion

150 mm²

Die Size

212 mm²

Graphics Features

9.0c (9_3)

DirectX

11.2 (11_0)

2.1

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

3.0

Shader Model

5.0

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