ATI Mobility Radeon HD 4670 Mac Edition vs ATI Radeon E4690 MXM

VS

ATI Mobility Radeon HD 4670 Mac Edition

ATI Radeon E4690 MXM

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 512MB VRAM Radeon E4690 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Larger VRAM bandwidth (25.28GB/s vs 22.40GB/s)

ATI Radeon E4690 MXM 's Advantages

More VRAM (512GB vs 256GB)

Lower TDP (30W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition +13%

0.435 TFLOPS

Radeon E4690 MXM

0.384 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

Radeon E4690 MXM

Graphics Card

Sep 2009

Release Date

Jun 2009

M9x

Generation

Embedded

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-II

Clock Speeds

-

790 MHz

Memory Clock

700 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

25.28GB/s

Bandwidth

22.40GB/s

Render Config

4

Compute Units

4

-

320

Shading Units

320

32

TMUs

32

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

4.800 GPixel/s

21.76 GTexel/s

Texture Rate

19.20 GTexel/s

-

435.2 GFLOPS

FP32 (float)

384.0 GFLOPS

-

Board Design

35W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

RV730

M96 XT (216-0729051)

GPU Variant

RV730 XT E4690 (215-0729055)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.514 billion

Transistors

0.514 billion

146 mm²

Die Size

146 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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