Quadro M620 and GeForce GT 640 - video card comparison
Passmark - benchmark score Quadro M620 vs GeForce GT 640
Quadro M620
2882
GeForce GT 640
1209
Quadro M620
GeForce GT 640
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
GM107
GK107
Market segment
Mobile workstation
Desktop
Release date
January 2017
June 2012
Interface
MXM-A (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
977 MHz
-
Core clock speed
1018 MHz
902 MHz
Floating-point performance
-
692.7 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
1,270 million
Pipelines / CUDA cores
512
384
Power consumption (TDP)
30 Watt
65 Watt
Texture fill rate
31.26
28.86
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5012 MHz
1782 MHz
Memory bandwidth
80 GB/s
28.51 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
Display Port
1.2
-
HDMI
-
+
DirectX
12
12 (11_0)
CUDA
5.0
3.0
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5.0
5.1
Vulkan
1.1.126
1.1.126
3D Stereo
+
-
Mosaic
+
-
nView Display Management
+
-
Optimus
+
-