Quadro K620 and Radeon RX 640 - video card comparison
Passmark - benchmark score Quadro K620 vs Radeon RX 640
Quadro K620
2297
Radeon RX 640
2020
Quadro K620
Radeon RX 640
Architecture
Maxwell (2014−2018)
Polaris (2016−2019)
GPU code name
GM107
Polaris 12
Market segment
Workstation
Laptop
Release date
July 2014
August 2019
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
1218 MHz
Core clock speed
1058 MHz
1218 MHz
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
1,870 million
2,200 million
Pipelines / CUDA cores
384
640
Power consumption (TDP)
41 Watt
50 Watt
Texture fill rate
26.98
38.98
Memory type
128 Bit
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1800 MHz
6000 MHz
Memory bandwidth
Up to 29 GB/s
112.0 GB/s
Shared memory
-
-
Display Connectors
DVI-I DP
1x DVI, 1x HDMI, 1x DisplayPort
Number of simultaneous displays
4
-
HDMI
-
+
DirectX
12
12 (12_0)
CUDA
5.0
-
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
5
6.4
Vulkan
+
1.2.131
3D Vision Pro
+
-
FreeSync
-
+
Mosaic
+
-
nView Desktop Management
+
-