ATI Mobility Radeon HD 4670 Mac Edition vs ATI Radeon E2400

VS

ATI Mobility Radeon HD 4670 Mac Edition

ATI Radeon E2400

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 128MB VRAM Radeon E2400 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

Released 2 years and 3 months late

More VRAM (256GB vs 128GB)

Larger VRAM bandwidth (25.28GB/s vs 11.20GB/s)

280 additional rendering cores

ATI Radeon E2400 's Advantages

Lower TDP (25W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition +806%

0.435 TFLOPS

Radeon E2400

0.048 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

Radeon E2400

Graphics Card

Sep 2009

Release Date

Jun 2007

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

128MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

25.28GB/s

Bandwidth

11.20GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

40

32

TMUs

4

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

32 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

2.400 GPixel/s

21.76 GTexel/s

Texture Rate

2.400 GTexel/s

-

435.2 GFLOPS

FP32 (float)

48.00 GFLOPS

-

Board Design

35W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

RV610

M96 XT (216-0729051)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.514 billion

Transistors

0.18 billion

146 mm²

Die Size

85 mm²

Graphics Features

10.1 (10_1)

DirectX

10.0 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.0

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