NVIDIA GeForce GT 640M LE vs NVIDIA GeForce 9600M GS
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 640M LE and 1024MB VRAM GeForce 9600M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 640M LE 's Advantages
Released 3 years and 11 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (50.24GB/s vs 25.60GB/s)
64 additional rendering cores
NVIDIA GeForce 9600M GS 's Advantages
Lower TDP (20W vs 32W)
Score
Benchmark
FP32 (float)
GeForce GT 640M LE
+318%
0.289 TFLOPS
GeForce 9600M GS
0.069 TFLOPS
Graphics Card
May 2012
Release Date
Jun 2008
GeForce 600M
Generation
GeForce 9M
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-II
Clock Speeds
-
-
-
-
-
-
785 MHz
Memory Clock
800 MHz
Memory
2GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
128bit
50.24GB/s
Bandwidth
25.60GB/s
Render Config
-
-
-
2
SM Count
4
96
Shading Units
32
16
TMUs
16
4
ROPs
8
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
-
256 KB
L2 Cache
32 KB
-
-
-
Theoretical Performance
3.012 GPixel/s
Pixel Rate
3.440 GPixel/s
12.05 GTexel/s
Texture Rate
6.880 GTexel/s
-
-
-
289.0 GFLOPS
FP32 (float)
68.80 GFLOPS
24.08 GFLOPS
FP64 (double)
-
Board Design
32W
TDP
20W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
GF108
GPU Name
G96C
-
GPU Variant
NB9P-GE2
Fermi
Architecture
Tesla
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
0.585 billion
Transistors
0.314 billion
116 mm²
Die Size
121 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
2.1
CUDA
1.1
5.1
Shader Model
4.0
