ATI Mobility Radeon HD 5870 vs ATI Mobility Radeon HD 3670

VS

ATI Mobility Radeon HD 5870

ATI Mobility Radeon HD 3670

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5870 and 256MB VRAM Mobility Radeon HD 3670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5870 's Advantages

Released 2 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

680 additional rendering cores

ATI Mobility Radeon HD 3670 's Advantages

Lower TDP (30W vs 50W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5870 +587%

1.12 TFLOPS

Mobility Radeon HD 3670

0.163 TFLOPS

Mobility Radeon HD 5870

VS

Mobility Radeon HD 3670

Graphics Card

Jan 2010

Release Date

Jan 2008

Manhattan

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

25.60GB/s

Render Config

10

Compute Units

3

-

800

Shading Units

120

40

TMUs

8

16

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

128 KB

-

Theoretical Performance

11.20 GPixel/s

Pixel Rate

2.720 GPixel/s

28.00 GTexel/s

Texture Rate

5.440 GTexel/s

-

1120 GFLOPS

FP32 (float)

163.2 GFLOPS

-

Board Design

50W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

M86

Broadway XT (216-0769008)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.04 billion

Transistors

0.378 billion

166 mm²

Die Size

135 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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