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

VS

ATI Radeon E4690 MXM

ATI Mobility Radeon HD 4670 Mac Edition

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

Main Differences

ATI Radeon E4690 MXM 's Advantages

More VRAM (512GB vs 256GB)

Lower TDP (30W vs 35W)

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

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

Score

Benchmark

FP32 (float)

Radeon E4690 MXM

0.384 TFLOPS

Mobility Radeon HD 4670 Mac Edition +13%

0.435 TFLOPS

Radeon E4690 MXM

VS

Mobility Radeon HD 4670 Mac Edition

Graphics Card

Jun 2009

Release Date

Sep 2009

Embedded

Generation

M9x

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-A (3.0)

Clock Speeds

-

700 MHz

Memory Clock

790 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

25.28GB/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

4.800 GPixel/s

Pixel Rate

5.440 GPixel/s

19.20 GTexel/s

Texture Rate

21.76 GTexel/s

-

384.0 GFLOPS

FP32 (float)

435.2 GFLOPS

-

Board Design

30W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

RV730

GPU Name

M96

RV730 XT E4690 (215-0729055)

GPU Variant

M96 XT (216-0729051)

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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