Quadro P400 and Quadro K420 - video card comparison
Passmark - benchmark score Quadro P400 vs Quadro K420
Quadro P400
1690
Quadro K420
768
Quadro P400
Quadro K420
Architecture
Pascal (2016−2021)
Kepler (2012−2018)
GPU code name
GP107
GK107
Market segment
Workstation
Workstation
Release date
February 2017
July 2014
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1252 MHz
-
Core clock speed
1228 MHz
876 MHz
Floating-point performance
679.9 gflops
336.4 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
3,300 million
1,270 million
Pipelines / CUDA cores
256
192
Power consumption (TDP)
30 Watt
41 Watt
Texture fill rate
20.03
14.02
Memory type
GDDR5
128 Bit
Maximum RAM amount
2 GB
1 GB/2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
4008 MHz
1782 MHz
Memory bandwidth
32.06 GB/s
Up to 29 GB/s
Display Connectors
3x mini-DisplayPort
DVI-I DP
Number of simultaneous displays
-
4
DirectX
12 (12_1)
12
CUDA
6.1
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
6.4
5
Vulkan
1.2.131
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+