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GPU Comparison
NVIDIA GeForce GTX 965M vs NVIDIA GeForce GT 640M LE
NVIDIA GeForce GTX 965M vs NVIDIA GeForce GT 640M LE
VS
NVIDIA GeForce GTX 965M
NVIDIA GeForce GT 640M LE
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 965M and 2GB VRAM GeForce GT 640M LE to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 965M 's Advantages
Released 3 years and 8 months late
Boost Clock1150MHz
Larger VRAM bandwidth (80.19GB/s vs 50.24GB/s)
928 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 965M
+714%
2.355 TFLOPS
GeForce GT 640M LE
0.289 TFLOPS
GeForce GTX 965M
VS
GeForce GT 640M LE
Graphics Card
Jan 2016
Release Date
May 2012
GeForce 900M
Generation
GeForce 600M
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 2.0 x16
Clock Speeds
935 MHz
Base Clock
-
1150 MHz
Boost Clock
-
1253 MHz
Memory Clock
785 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
80.19GB/s
Bandwidth
50.24GB/s
Render Config
-
SM Count
2
-
Compute Units
-
1024
Shading Units
96
64
TMUs
16
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
48 KB (per SMM)
L1 Cache
64 KB (per SM)
1024 KB
L2 Cache
256 KB
Theoretical Performance
36.80 GPixel/s
Pixel Rate
3.012 GPixel/s
73.60 GTexel/s
Texture Rate
12.05 GTexel/s
-
FP16 (half)
-
2.355 TFLOPS
FP32 (float)
289.0 GFLOPS
73.60 GFLOPS
FP64 (double)
24.08 GFLOPS
Graphics Processor
GM206S
GPU Name
GF108
N16E-GR-A1
GPU Variant
-
Maxwell 2.0
Architecture
Fermi
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
2.94 billion
Transistors
0.585 billion
228 mm²
Die Size
116 mm²
Board Design
Unknown
TDP
32W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Features
12 (12_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.2
CUDA
2.1
6.7
Shader Model
5.1
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