NVIDIA GeForce 8600M GT Mac Edition vs ATI Mobility Radeon HD 3870

VS

NVIDIA GeForce 8600M GT Mac Edition

ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 512MB VRAM GeForce 8600M GT Mac Edition and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8600M GT Mac Edition 's Advantages

Lower TDP (20W vs 55W)

ATI Mobility Radeon HD 3870 's Advantages

Released 8 months late

Larger VRAM bandwidth (54.40GB/s vs 20.32GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8600M GT Mac Edition

0.06 TFLOPS

Mobility Radeon HD 3870 +603%

0.422 TFLOPS

GeForce 8600M GT Mac Edition

VS

Mobility Radeon HD 3870

Graphics Card

Oct 2007

Release Date

Jun 2008

GeForce 8M

Generation

M8x

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

635 MHz

Memory Clock

850 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

20.32GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

4

SM Count

-

32

Shading Units

320

16

TMUs

16

8

ROPs

16

-

32 KB

L2 Cache

256 KB

-

Theoretical Performance

3.760 GPixel/s

Pixel Rate

10.56 GPixel/s

7.520 GTexel/s

Texture Rate

10.56 GTexel/s

-

60.16 GFLOPS

FP32 (float)

422.4 GFLOPS

-

FP64 (double)

84.48 GFLOPS

Board Design

20W

TDP

55W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G84

GPU Name

M88

NB8P-GS

GPU Variant

-

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.289 billion

Transistors

0.666 billion

169 mm²

Die Size

192 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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