Radeon RX 550 and Quadro K420 - video card comparison
Passmark - benchmark score Radeon RX 550 vs Quadro K420
Radeon RX 550
2809
Quadro K420
768
Radeon RX 550
Quadro K420
Architecture
GCN 4.0 (2016−2020)
Kepler (2012−2018)
GPU code name
Lexa
GK107
Market segment
Desktop
Workstation
Release date
April 2017
July 2014
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1183 MHz
-
Core clock speed
1100 MHz
876 MHz
Floating-point performance
1,211 gflops
336.4 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
2,200 million
1,270 million
Pipelines / CUDA cores
512
192
Power consumption (TDP)
50 Watt
41 Watt
Texture fill rate
37.86
14.02
Memory type
GDDR5
128 Bit
Maximum RAM amount
4 GB
1 GB/2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
7000 MHz
1782 MHz
Memory bandwidth
112.0 GB/s
Up to 29 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x 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
-
+