
GeForce GT 640 and NVS 3100M - video card comparison
Passmark - benchmark score GeForce GT 640 vs NVS 3100M
GeForce GT 640
1210
NVS 3100M
210
GeForce GT 640
NVS 3100M
Architecture
Kepler (2012−2018)
GT2xx (2009−2012)
GPU code name
GK107
N10M-NS
Market segment
Desktop
Mobile workstation
Release date
June 2012
January 2010
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
902 MHz
600 MHz
Floating-point performance
692.7 gflops
46.98 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
260 million
Pipelines / CUDA cores
384
16
Power consumption (TDP)
65 Watt
14 Watt
Texture fill rate
28.86
4.848
Memory type
DDR3
GDDR3, DDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
800 MHz
Memory bandwidth
28.51 GB/s
12.64 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
11.1 (10_1)
CUDA
3.0
1.2
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A