ATI Mobility Radeon HD 2700 vs ATI Mobility Radeon HD 4670

VS

ATI Mobility Radeon HD 2700

ATI Mobility Radeon HD 4670

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2700 and 512MB VRAM Mobility Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 's Advantages

Released 1 years and 1 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 22.40GB/s)

200 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2700

0.168 TFLOPS

Mobility Radeon HD 4670 +157%

0.432 TFLOPS

Mobility Radeon HD 2700

VS

Mobility Radeon HD 4670

Graphics Card

Dec 2007

Release Date

Jan 2009

M7x

Generation

M9x

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-A (3.0)

Clock Speeds

-

700 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

25.60GB/s

Render Config

3

Compute Units

4

-

120

Shading Units

320

8

TMUs

32

4

ROPs

8

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

5.400 GPixel/s

5.600 GTexel/s

Texture Rate

21.60 GTexel/s

-

168.0 GFLOPS

FP32 (float)

432.0 GFLOPS

-

Board Design

35W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M76

GPU Name

M96

-

GPU Variant

M96 XT (216-0729051)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.39 billion

Transistors

0.514 billion

153 mm²

Die Size

146 mm²

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.0

Shader Model

4.1

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