ATI Mobility Radeon HD 4670 Mac Edition vs ATI Mobility Radeon HD 2400 XT Mac Edition

VS

ATI Mobility Radeon HD 4670 Mac Edition

ATI Mobility Radeon HD 2400 XT Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 128MB VRAM Mobility Radeon HD 2400 XT Mac Edition 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 12.80GB/s)

280 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition +736%

0.435 TFLOPS

Mobility Radeon HD 2400 XT Mac Edition

0.052 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

Mobility Radeon HD 2400 XT Mac Edition

Graphics Card

Sep 2009

Release Date

Jun 2007

M9x

Generation

M7x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

790 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

128MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

25.28GB/s

Bandwidth

12.80GB/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

2.600 GPixel/s

21.76 GTexel/s

Texture Rate

2.600 GTexel/s

-

435.2 GFLOPS

FP32 (float)

52.00 GFLOPS

-

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

M96

GPU Name

M74

M96 XT (216-0729051)

GPU Variant

M74-M (216RMAKA12FG)

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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