Quadro K420 and Radeon RX 550 640SP - video card comparison
Quadro K420
Radeon RX 550 640SP
Architecture
Kepler (2012−2018)
GCN 4.0 (2016−2020)
GPU code name
GK107
Baffin
Market segment
Workstation
Desktop
Release date
July 2014
October 2017
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1071 MHz
Core clock speed
876 MHz
1019 MHz
Floating-point performance
336.4 gflops
1,371 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,270 million
3,000 million
Pipelines / CUDA cores
192
640
Power consumption (TDP)
41 Watt
60 Watt
Texture fill rate
14.02
42.84
Memory type
128 Bit
GDDR5
Maximum RAM amount
1 GB/2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
6000 MHz
Memory bandwidth
Up to 29 GB/s
96 GB/s
Display Connectors
DVI-I DP
1x DVI, 1x HDMI, 1x DisplayPort
Number of simultaneous displays
4
-
HDMI
-
+
DirectX
12
12 (12_0)
CUDA
3.0
-
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
5
6.4
Vulkan
+
1.2.131
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-