Quadro K620 and Radeon RX 6400 - video card comparison
Passmark - benchmark score Quadro K620 vs Radeon RX 6400
Quadro K620
2297
Radeon RX 6400
7778
Quadro K620
Radeon RX 6400
Architecture
Maxwell (2014−2018)
RDNA 2.0 (2020−2022)
GPU code name
GM107
Navi 24
Market segment
Workstation
Desktop
Release date
July 2014
January 2022
Interface
PCIe 2.0 x16
PCIe 4.0 x4
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
2321 MHz
Core clock speed
1058 MHz
-
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
1,870 million
5,400 million
Pipelines / CUDA cores
384
768
Power consumption (TDP)
41 Watt
53 Watt
Texture fill rate
26.98
111.4
Memory type
128 Bit
GDDR6
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1800 MHz
16 GB/s
Memory bandwidth
Up to 29 GB/s
128.0 GB/s
Display Connectors
DVI-I DP
1x HDMI 2.1, 1x DisplayPort 1.4a
Number of simultaneous displays
4
-
HDMI
-
+
DirectX
12
12 Ultimate (12_2)
CUDA
5.0
-
OpenCL
1.2
2.2
OpenGL
4.5
4.6
Shader Model
5
6.6
Vulkan
+
1.3
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-