ATI Mobility Radeon HD 3470 vs ATI Mobility Radeon HD 4670

VS

ATI Mobility Radeon HD 3470

ATI Mobility Radeon HD 4670

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3470 and 512MB VRAM Mobility Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 's Advantages

Released 1 years late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 6.400GB/s)

280 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3470

0.054 TFLOPS

Mobility Radeon HD 4670 +700%

0.432 TFLOPS

Mobility Radeon HD 3470

VS

Mobility Radeon HD 4670

Graphics Card

Jan 2008

Release Date

Jan 2009

M8x

Generation

M9x

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

128bit

6.400GB/s

Bandwidth

25.60GB/s

Render Config

2

Compute Units

4

-

40

Shading Units

320

4

TMUs

32

4

ROPs

8

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

5.400 GPixel/s

2.720 GTexel/s

Texture Rate

21.60 GTexel/s

-

54.40 GFLOPS

FP32 (float)

432.0 GFLOPS

-

Board Design

Unknown

TDP

35W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

M96

M82-ME XT (216-0707009)

GPU Variant

M96 XT (216-0729051)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.181 billion

Transistors

0.514 billion

67 mm²

Die Size

146 mm²

Graphics Features

10.1

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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