GeForce 8600M GS vs GeForce 8400M GS
We compared two Mobile platform GPUs: 512MB VRAM GeForce 8600M GS and 256MB VRAM GeForce 8400M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce 8600M GS Advantages
More VRAM (512GB vs 256GB)
Larger VRAM bandwidth (12.80GB/s vs 6.400GB/s)
GeForce 8400M GS Advantages
Lower TDP (11W vs 20W)
Score
Benchmark
FP32 (float)
GeForce 8600M GS
+11%
29
GeForce 8400M GS
26
Graphics Card
May 2007
Release Date
May 2007
GeForce 8M
Generation
GeForce 8M
Mobile
Type
Mobile
MXM-II
Bus Interface
MXM-I
Clock Speeds
400 MHz
Memory Clock
400 MHz
Memory
512MB
Memory Size
256MB
DDR2
Memory Type
DDR2
128bit
Memory Bus
64bit
12.80GB/s
Bandwidth
6.400GB/s
Render Config
1
SM Count
2
16
Shading Units
16
8
TMUs
8
4
ROPs
4
32 KB
L2 Cache
16 KB
Theoretical Performance
1.800 GPixel/s
Pixel Rate
1.600 GPixel/s
3.600 GTexel/s
Texture Rate
3.200 GTexel/s
28.80 GFLOPS
FP32 (float)
25.60 GFLOPS
Board Design
20W
TDP
11W
No outputs
Outputs
No outputs
Graphics Processor
G86
GPU Name
G86
G86-770-A2
GPU Variant
NB8M-GS
Tesla
Architecture
Tesla
TSMC
Foundry
TSMC
80 nm
Process Size
80 nm
0.21 billion
Transistors
0.21 billion
127 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
