
Quadro M620 and Quadro K420 - video card comparison
Passmark - benchmark score Quadro M620 vs Quadro K420
Quadro M620
2882
Quadro K420
768
Quadro M620
Quadro K420
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
GM107
GK107
Market segment
Mobile workstation
Workstation
Release date
January 2017
July 2014
Interface
MXM-A (3.0)
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
977 MHz
-
Core clock speed
1018 MHz
876 MHz
Floating-point performance
-
336.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
1,270 million
Pipelines / CUDA cores
512
192
Power consumption (TDP)
30 Watt
41 Watt
Texture fill rate
31.26
14.02
Memory type
GDDR5
128 Bit
Maximum RAM amount
2 GB
1 GB/2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5012 MHz
1782 MHz
Memory bandwidth
80 GB/s
Up to 29 GB/s
Shared memory
-
-
Display Connectors
No outputs
DVI-I DP
Display Port
1.2
-
Number of simultaneous displays
-
4
DirectX
12
12
CUDA
5.0
3.0
OpenCL
1.2
1.2
OpenGL
4.5
4.5
Shader Model
5.0
5
Vulkan
1.1.126
+
3D Stereo
+
-
3D Vision Pro
-
+
Mosaic
+
+
nView Desktop Management
-
+
nView Display Management
+
-
Optimus
+
-