ATI Mobility Radeon HD 2700 vs ATI Mobility Radeon HD 5870

VS

ATI Mobility Radeon HD 2700

ATI Mobility Radeon HD 5870

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2700 and 1024MB VRAM Mobility Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 2700 's Advantages

Lower TDP (35W vs 50W)

ATI Mobility Radeon HD 5870 's Advantages

Released 2 years and 1 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 22.40GB/s)

680 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2700

0.168 TFLOPS

Mobility Radeon HD 5870 +566%

1.12 TFLOPS

Mobility Radeon HD 2700

VS

Mobility Radeon HD 5870

Graphics Card

Dec 2007

Release Date

Jan 2010

M7x

Generation

Manhattan

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-B (3.0)

Clock Speeds

-

700 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

64.00GB/s

Render Config

3

Compute Units

10

-

120

Shading Units

800

8

TMUs

40

4

ROPs

16

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

11.20 GPixel/s

5.600 GTexel/s

Texture Rate

28.00 GTexel/s

-

168.0 GFLOPS

FP32 (float)

1120 GFLOPS

-

Board Design

35W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M76

GPU Name

Broadway

-

GPU Variant

Broadway XT (216-0769008)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.39 billion

Transistors

1.04 billion

153 mm²

Die Size

166 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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