ATI Mobility Radeon HD 5670 Mac Edition vs ATI Mobility Radeon HD 3870 X2

VS

ATI Mobility Radeon HD 5670 Mac Edition

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 5670 Mac Edition and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5670 Mac Edition 's Advantages

Released 1 years and 7 months late

80 additional rendering cores

Lower TDP (15W vs 110W)

ATI Mobility Radeon HD 3870 X2 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 25.44GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5670 Mac Edition +23%

0.52 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

Mobility Radeon HD 5670 Mac Edition

VS

Mobility Radeon HD 3870 X2

Graphics Card

Apr 2010

Release Date

Sep 2008

Manhattan

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

795 MHz

Memory Clock

850 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

25.44GB/s

Bandwidth

54.40GB/s

Render Config

5

Compute Units

4

-

400

Shading Units

320

20

TMUs

16

8

ROPs

16

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

10.56 GPixel/s

13.00 GTexel/s

Texture Rate

10.56 GTexel/s

-

520.0 GFLOPS

FP32 (float)

422.4 GFLOPS

-

FP64 (double)

84.48 GFLOPS

Board Design

15W

TDP

110W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Madison

GPU Name

M88

Madison XT (216-0772003)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.627 billion

Transistors

0.666 billion

104 mm²

Die Size

192 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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