AMD Radeon HD 7950M vs ATI Mobility Radeon HD 3470

VS

AMD Radeon HD 7950M

ATI Mobility Radeon HD 3470

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7950M and 256MB VRAM Mobility Radeon HD 3470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950M 's Advantages

Released 4 years and 3 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (128.0GB/s vs 6.400GB/s)

1240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7950M +3218%

1.792 TFLOPS

Mobility Radeon HD 3470

0.054 TFLOPS

Radeon HD 7950M

VS

Mobility Radeon HD 3470

Graphics Card

Apr 2012

Release Date

Jan 2008

London

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

-

1000 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

6.400GB/s

Render Config

20

Compute Units

2

-

1280

Shading Units

40

80

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

22.40 GPixel/s

Pixel Rate

2.720 GPixel/s

56.00 GTexel/s

Texture Rate

2.720 GTexel/s

-

1.792 TFLOPS

FP32 (float)

54.40 GFLOPS

-

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Wimbledon

GPU Name

M82

Wimbledon PRO

GPU Variant

M82-ME XT (216-0707009)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.181 billion

212 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

10.1

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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