Radeon RX 580 and Quadro K420 - video card comparison
Passmark - benchmark score Radeon RX 580 vs Quadro K420
Radeon RX 580
9140
Quadro K420
768
Radeon RX 580
Quadro K420
Architecture
Polaris (2016−2019)
Kepler (2012−2018)
GPU code name
Polaris 20
GK107
Market segment
Desktop
Workstation
Release date
April 2017
July 2014
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1340 MHz
-
Core clock speed
1257 MHz
876 MHz
Floating-point performance
6,175 gflops
336.4 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
1,270 million
Pipelines / CUDA cores
2304
192
Power consumption (TDP)
185 Watt
41 Watt
Texture fill rate
193.0
14.02
Memory type
GDDR5
128 Bit
Maximum RAM amount
8 GB
1 GB/2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
8000 MHz
1782 MHz
Memory bandwidth
256.0 GB/s
Up to 29 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
DVI-I DP
Number of simultaneous displays
-
4
HDMI
+
-
DirectX
12 (12_0)
12
CUDA
-
3.0
OpenCL
2.0
1.2
OpenGL
4.6
4.5
Shader Model
6.4
5
Vulkan
1.2.131
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+