AMD Radeon HD 6970M Mac Edition vs ATI Mobility Radeon HD 540v

VS

AMD Radeon HD 6970M Mac Edition

ATI Mobility Radeon HD 540v

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 512MB VRAM Mobility Radeon HD 540v 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 1 years and 3 months late

More VRAM (2GB vs 512GB)

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

880 additional rendering cores

ATI Mobility Radeon HD 540v 's Advantages

Lower TDP (15W vs 75W)

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition +1384%

1.306 TFLOPS

Mobility Radeon HD 540v

0.088 TFLOPS

Radeon HD 6970M Mac Edition

VS

Mobility Radeon HD 540v

Graphics Card

Aug 2011

Release Date

May 2010

Vancouver

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

12.80GB/s

Render Config

12

Compute Units

1

-

960

Shading Units

80

48

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

64 KB

-

Theoretical Performance

21.76 GPixel/s

Pixel Rate

2.200 GPixel/s

32.64 GTexel/s

Texture Rate

4.400 GTexel/s

-

1306 GFLOPS

FP32 (float)

88.00 GFLOPS

-

Board Design

75W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

M92

Blackcomb XT (216-0811000)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.242 billion

212 mm²

Die Size

73 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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