Quadro K620 and RTX A4000 - video card comparison
Passmark - benchmark score Quadro K620 vs RTX A4000
Quadro K620
2297
RTX A4000
19982
Quadro K620
RTX A4000
Architecture
Maxwell (2014−2018)
Ampere (2020−2022)
GPU code name
GM107
GA104
Market segment
Workstation
Workstation
Release date
July 2014
April 2021
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
1124 MHz
1560 MHz
Core clock speed
1058 MHz
-
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
1,870 million
17,400 million
Pipelines / CUDA cores
384
6144
Power consumption (TDP)
41 Watt
140 Watt
Texture fill rate
26.98
299.5
Memory type
128 Bit
GDDR6
Maximum RAM amount
2 GB
16 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1800 MHz
14 GB/s
Memory bandwidth
Up to 29 GB/s
448.0 GB/s
Display Connectors
DVI-I DP
4x DisplayPort 1.4a
Number of simultaneous displays
4
-
DirectX
12
12 Ultimate (12_2)
CUDA
5.0
8.6
OpenCL
1.2
3.0
OpenGL
4.5
4.6
Shader Model
5
6.7
Vulkan
+
1.3
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-