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

VS

NVIDIA GeForce 8400M GS

NVIDIA GeForce 8600M GT Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM GeForce 8400M GS and 512MB VRAM GeForce 8600M GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 20W)

NVIDIA GeForce 8600M GT Mac Edition 's Advantages

More VRAM (512GB vs 256GB)

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

16 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400M GS

0.026 TFLOPS

GeForce 8600M GT Mac Edition +130%

0.06 TFLOPS

GeForce 8400M GS

VS

GeForce 8600M GT Mac Edition

Graphics Card

May 2007

Release Date

Oct 2007

GeForce 8M

Generation

GeForce 8M

Mobile

Type

Mobile

MXM-I

Bus Interface

MXM-II

Clock Speeds

-

400 MHz

Memory Clock

635 MHz

Memory

256MB

Memory Size

512MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

20.32GB/s

Render Config

-

2

SM Count

4

16

Shading Units

32

8

TMUs

16

4

ROPs

8

-

16 KB

L2 Cache

32 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

3.760 GPixel/s

3.200 GTexel/s

Texture Rate

7.520 GTexel/s

-

25.60 GFLOPS

FP32 (float)

60.16 GFLOPS

-

Board Design

11W

TDP

20W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G86

GPU Name

G84

NB8M-GS

GPU Variant

NB8P-GS

Tesla

Architecture

Tesla

TSMC

Foundry

TSMC

80 nm

Process Size

80 nm

0.21 billion

Transistors

0.289 billion

127 mm²

Die Size

169 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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