
Quadro K620M and Radeon 550X - video card comparison
Passmark - benchmark score Quadro K620M vs Radeon 550X
Quadro K620M
1200
Radeon 550X
1472
Quadro K620M
Radeon 550X
Architecture
Maxwell (2014−2018)
GCN 4.0 (2016−2020)
GPU code name
GM108
Lexa
Market segment
Mobile workstation
Desktop
Release date
March 2015
March 2019
Interface
MXM-A (3.0)
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
1218 MHz
Core clock speed
1029 MHz
1082 MHz
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
-
2,200 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
30 Watt
50 Watt
Texture fill rate
17.98
38.98
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
7000 MHz
Memory bandwidth
14.4 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
Display Port
1.2
-
HDMI
-
+
DirectX
12
12 (12_0)
CUDA
+
-
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
5
6.4
Vulkan
1.1.126
1.2.131
nView Display Management
+
-
Optimus
+
-