ATI Mobility Radeon HD 3870 vs AMD Radeon HD 6570M Mac Edition

VS

ATI Mobility Radeon HD 3870

AMD Radeon HD 6570M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 1024MB VRAM Radeon HD 6570M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 25.60GB/s)

AMD Radeon HD 6570M Mac Edition 's Advantages

Released 1 years and 4 months late

More VRAM (1024GB vs 512GB)

80 additional rendering cores

Lower TDP (30W vs 55W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon HD 6570M Mac Edition +13%

0.48 TFLOPS

Mobility Radeon HD 3870

VS

Radeon HD 6570M Mac Edition

Graphics Card

Jun 2008

Release Date

Oct 2009

M8x

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

850 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

25.60GB/s

Render Config

4

Compute Units

5

-

320

Shading Units

400

16

TMUs

20

16

ROPs

8

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.56 GPixel/s

Pixel Rate

4.800 GPixel/s

10.56 GTexel/s

Texture Rate

12.00 GTexel/s

-

422.4 GFLOPS

FP32 (float)

480.0 GFLOPS

84.48 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M88

GPU Name

Capilano

-

GPU Variant

Capilano XT

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.666 billion

Transistors

0.627 billion

192 mm²

Die Size

104 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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