Quadro K420 and Quadro P620 - video card comparison
Passmark - benchmark score Quadro K420 vs Quadro P620
Quadro K420
768
Quadro P620
3742
Quadro K420
Quadro P620
Architecture
Kepler (2012−2018)
Pascal (2016−2021)
GPU code name
GK107
GP107
Market segment
Workstation
Workstation
Release date
July 2014
May 2019
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
-
1442 MHz
Core clock speed
876 MHz
1177 MHz
Floating-point performance
336.4 gflops
1,490 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
3,300 million
Pipelines / CUDA cores
192
512
Power consumption (TDP)
41 Watt
25 Watt
Texture fill rate
14.02
43.33
Memory type
128 Bit
GDDR5
Maximum RAM amount
1 GB/2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
6000 MHz
Memory bandwidth
Up to 29 GB/s
80.13 GB/s
Shared memory
-
-
Display Connectors
DVI-I DP
4x mini-DisplayPort
Number of simultaneous displays
4
-
DirectX
12
12 (12_1)
CUDA
3.0
6.1
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5
6.4
Vulkan
+
1.2.131
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-