
Quadro K420 and NX-SoC - video card comparison
Quadro K420
NX-SoC
Architecture
Kepler (2012−2018)
Maxwell 2.0 (2015−2019)
GPU code name
GK107
GM20B
Market segment
Workstation
Desktop
Release date
July 2014
March 2017
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
None
None
Boost clock speed
-
768 MHz
Core clock speed
876 MHz
384 MHz
Floating-point performance
336.4 gflops
393.2 gflops
Manufacturing process technology
28 nm
20 nm
Number of transistors
1,270 million
2,000 million
Pipelines / CUDA cores
192
256
Power consumption (TDP)
41 Watt
15 Watt
Texture fill rate
14.02
12.29
Memory type
128 Bit
DDR4
Maximum RAM amount
1 GB/2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
3200 MHz
Memory bandwidth
Up to 29 GB/s
25.6 GB/s
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
DirectX
12
12 (12_1)
CUDA
3.0
5.3
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5
6.4
Vulkan
+
1.1.126
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-