Quadro K620 and Quadro K420 - video card comparison
Passmark - benchmark score Quadro K620 vs Quadro K420
Quadro K620
2297
Quadro K420
768
Quadro K620
Quadro K420
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
GM107
GK107
Market segment
Workstation
Workstation
Release date
July 2014
July 2014
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
-
Core clock speed
1058 MHz
876 MHz
Floating-point performance
863.2 gflops
336.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
1,270 million
Pipelines / CUDA cores
384
192
Power consumption (TDP)
41 Watt
41 Watt
Texture fill rate
26.98
14.02
Memory type
128 Bit
128 Bit
Maximum RAM amount
2 GB
1 GB/2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
1782 MHz
Memory bandwidth
Up to 29 GB/s
Up to 29 GB/s
Display Connectors
DVI-I DP
DVI-I DP
Number of simultaneous displays
4
4
DirectX
12
12
CUDA
5.0
3.0
OpenCL
1.2
1.2
OpenGL
4.5
4.5
Shader Model
5
5
Vulkan
+
+
3D Vision Pro
+
+
Mosaic
+
+
nView Desktop Management
+
+