ATI Mobility Radeon HD 4670 Mac Edition vs ATI Mobility Radeon HD 2700

VS

ATI Mobility Radeon HD 4670 Mac Edition

ATI Mobility Radeon HD 2700

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 256MB VRAM Mobility Radeon HD 2700 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 1 years and 9 months late

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

200 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition +158%

0.435 TFLOPS

Mobility Radeon HD 2700

0.168 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

Mobility Radeon HD 2700

Graphics Card

Sep 2009

Release Date

Dec 2007

M9x

Generation

M7x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-II

Clock Speeds

-

790 MHz

Memory Clock

700 MHz

Memory

256MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

25.28GB/s

Bandwidth

22.40GB/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

64 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

2.800 GPixel/s

21.76 GTexel/s

Texture Rate

5.600 GTexel/s

-

435.2 GFLOPS

FP32 (float)

168.0 GFLOPS

-

Board Design

35W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

M76

M96 XT (216-0729051)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.514 billion

Transistors

0.39 billion

146 mm²

Die Size

153 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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