Radeon RX Vega 8 (Ryzen 4000/5000) and Quadro K420 - video card comparison
Radeon RX Vega 8 (Ryzen 4000/5000)
Quadro K420
Architecture
Vega (2017−2021)
Kepler (2012−2018)
GPU code name
Vega
GK107
Market segment
Laptop
Workstation
Release date
January 2020
July 2014
Interface
-
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
2100 MHz
-
Core clock speed
-
876 MHz
Floating-point performance
-
336.4 gflops
Manufacturing process technology
7 nm
28 nm
Number of transistors
-
1,270 million
Pipelines / CUDA cores
512
192
Power consumption (TDP)
15 Watt
41 Watt
Texture fill rate
-
14.02
Memory type
-
128 Bit
Maximum RAM amount
-
1 GB/2 GB
Memory bus width
-
128 Bit
Memory clock speed
-
1782 MHz
Memory bandwidth
-
Up to 29 GB/s
Shared memory
-
-
Display Connectors
-
DVI-I DP
Number of simultaneous displays
-
4
DirectX
12_1
12
CUDA
-
3.0
OpenCL
-
1.2
OpenGL
-
4.5
Shader Model
-
5
Vulkan
-
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+