NVIDIA GeForce 8600M GT Mac Edition vs NVIDIA GeForce 8400M G

VS

NVIDIA GeForce 8600M GT Mac Edition

NVIDIA GeForce 8400M G

We compared two Mobile platform GPUs: 512MB VRAM GeForce 8600M GT Mac Edition and 256MB VRAM GeForce 8400M G 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

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (20.32GB/s vs 6.400GB/s)

24 additional rendering cores

NVIDIA GeForce 8400M G 's Advantages

Lower TDP (10W vs 20W)

Score

Benchmark

FP32 (float)

GeForce 8600M GT Mac Edition +361%

0.06 TFLOPS

GeForce 8400M G

0.013 TFLOPS

GeForce 8600M GT Mac Edition

VS

GeForce 8400M G

Graphics Card

Oct 2007

Release Date

May 2007

GeForce 8M

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

635 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

20.32GB/s

Bandwidth

6.400GB/s

Render Config

-

4

SM Count

1

32

Shading Units

8

16

TMUs

8

ROPs

4

-

32 KB

L2 Cache

16 KB

-

Theoretical Performance

3.760 GPixel/s

Pixel Rate

1.600 GPixel/s

7.520 GTexel/s

Texture Rate

3.200 GTexel/s

-

60.16 GFLOPS

FP32 (float)

12.80 GFLOPS

-

Board Design

20W

TDP

10W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

G84

GPU Name

G86

NB8P-GS

GPU Variant

NB8M-SE

Tesla

Architecture

Tesla

TSMC

Foundry

TSMC

80 nm

Process Size

80 nm

0.289 billion

Transistors

0.21 billion

169 mm²

Die Size

127 mm²

Graphics Features

11.1 (10_0)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

1.1

4.0

Shader Model

4.0

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