ATI Mobility Radeon HD 3470 vs AMD Radeon HD 7470A

VS

ATI Mobility Radeon HD 3470

AMD Radeon HD 7470A

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3470 and 512MB VRAM Radeon HD 7470A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7470A 's Advantages

Released 4 years late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (12.80GB/s vs 6.400GB/s)

120 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3470

0.054 TFLOPS

Radeon HD 7470A +270%

0.2 TFLOPS

Mobility Radeon HD 3470

VS

Radeon HD 7470A

Graphics Card

Jan 2008

Release Date

Jan 2012

M8x

Generation

All-In-One

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-A (3.0)

Clock Speeds

-

400 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

12.80GB/s

Render Config

2

Compute Units

2

-

40

Shading Units

160

4

TMUs

8

4

ROPs

4

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

2.500 GPixel/s

2.720 GTexel/s

Texture Rate

5.000 GTexel/s

-

54.40 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

Unknown

TDP

25W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

Caicos

M82-ME XT (216-0707009)

GPU Variant

-

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

0.37 billion

67 mm²

Die Size

67 mm²

Graphics Features

10.1

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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