Quadro P620 and Radeon 550X 640SP - video card comparison
Quadro P620
Radeon 550X 640SP
Architecture
Pascal (2016−2021)
GCN 4.0 (2016−2020)
GPU code name
GP107
Lexa
Market segment
Workstation
Desktop
Release date
May 2019
April 2018
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1442 MHz
1071 MHz
Core clock speed
1177 MHz
1019 MHz
Floating-point performance
1,490 gflops
1,371 gflops
Manufacturing process technology
14 nm
14 nm
Number of transistors
3,300 million
2,200 million
Pipelines / CUDA cores
512
640
Power consumption (TDP)
25 Watt
50 Watt
Texture fill rate
43.33
42.84
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
6000 MHz
6000 MHz
Memory bandwidth
80.13 GB/s
48 GB/s
Shared memory
-
-
Display Connectors
4x mini-DisplayPort
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (12_1)
12 (12_0)
CUDA
6.1
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.2.131