ATI Mobility Radeon HD 4670 vs ATI Mobility Radeon HD 3670

VS

ATI Mobility Radeon HD 4670

ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4670 and 256MB VRAM Mobility Radeon HD 3670 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)

200 additional rendering cores

ATI Mobility Radeon HD 3670 's Advantages

Lower TDP (30W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 +165%

0.432 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

Mobility Radeon HD 4670

VS

Mobility Radeon HD 3670

Graphics Card

Jan 2009

Release Date

Jan 2008

M9x

Generation

M8x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

25.60GB/s

Render Config

4

Compute Units

3

-

320

Shading Units

120

32

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

128 KB

-

Theoretical Performance

5.400 GPixel/s

Pixel Rate

2.720 GPixel/s

21.60 GTexel/s

Texture Rate

5.440 GTexel/s

-

432.0 GFLOPS

FP32 (float)

163.2 GFLOPS

-

Board Design

35W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

M86

M96 XT (216-0729051)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.514 billion

Transistors

0.378 billion

146 mm²

Die Size

135 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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