HD Graphics 620 and Quadro K420 - video card comparison
Passmark - benchmark score HD Graphics 620 vs Quadro K420
HD Graphics 620
963
Quadro K420
768
HD Graphics 620
Quadro K420
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Kepler (2012−2018)
GPU code name
Kaby-Lake GT2
GK107
Market segment
Laptop
Workstation
Release date
August 2016
July 2014
Interface
PCIe 3.0 x1
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
1050 MHz
-
Core clock speed
300 MHz
876 MHz
Floating-point performance
403.2 gflops
336.4 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
1,270 million
Pipelines / CUDA cores
24
192
Power consumption (TDP)
15 Watt
41 Watt
Texture fill rate
25.20
14.02
Memory type
DDR3L/LPDDR3/LPDDR4
128 Bit
Maximum RAM amount
32 GB
1 GB/2 GB
Memory bus width
64/128 Bit
128 Bit
Memory clock speed
System Shared
1782 MHz
Memory bandwidth
-
Up to 29 GB/s
Shared memory
+
-
Display Connectors
No outputs
DVI-I DP
Number of simultaneous displays
-
4
DirectX
12 (12_1)
12
CUDA
-
3.0
OpenCL
2.1
1.2
OpenGL
4.6
4.5
Shader Model
6.4
5
Vulkan
+
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+
Quick Sync
+
-