ATI Mobility Radeon HD 2700 vs ATI Mobility Radeon HD 4850 Mac Edition

VS

ATI Mobility Radeon HD 2700

ATI Mobility Radeon HD 4850 Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2700 and 512MB VRAM Mobility Radeon HD 4850 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 Mac Edition 's Advantages

Released 1 years and 8 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (54.40GB/s vs 22.40GB/s)

680 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2700

0.168 TFLOPS

Mobility Radeon HD 4850 Mac Edition +378%

0.804 TFLOPS

Mobility Radeon HD 2700

VS

Mobility Radeon HD 4850 Mac Edition

Graphics Card

Dec 2007

Release Date

Aug 2009

M7x

Generation

M9x

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-B (3.0)

Clock Speeds

-

700 MHz

Memory Clock

850 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

22.40GB/s

Bandwidth

54.40GB/s

Render Config

3

Compute Units

10

-

120

Shading Units

800

8

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

8.048 GPixel/s

5.600 GTexel/s

Texture Rate

20.12 GTexel/s

-

168.0 GFLOPS

FP32 (float)

804.8 GFLOPS

-

FP64 (double)

161.0 GFLOPS

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

M76

GPU Name

M98

-

GPU Variant

M98 L2 (216-0732019)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

65 nm

Process Size

55 nm

0.39 billion

Transistors

0.956 billion

153 mm²

Die Size

256 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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