AMD Radeon HD 7970M vs ATI Mobility Radeon HD 3470

VS

AMD Radeon HD 7970M ATI Mobility Radeon HD 3470

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M 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 7970M 's Advantages

Released 4 years and 3 months late

Larger VRAM bandwidth (153.6GB/s vs 6.400GB/s)

1240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7970M +3929%

2.176 TFLOPS

Mobility Radeon HD 3470

0.054 TFLOPS

Radeon HD 7970M

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

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

20

Compute Units

2

1280

Shading Units

40

80

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

2.720 GPixel/s

68.00 GTexel/s

Texture Rate

2.720 GTexel/s

-

FP16 (half)

-

2.176 TFLOPS

FP32 (float)

54.40 GFLOPS

136.0 GFLOPS

FP64 (double)

-

Graphics Processor

Wimbledon

GPU Name

M82

Wimbledon XT (216-0836036)

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

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

10.1

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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