Quadro K620 and Quadro RTX A6000 - video card comparison
Quadro K620
Quadro RTX A6000
Architecture
Maxwell (2014−2018)
Ampere (2020−2022)
GPU code name
GM107
Ampere
Market segment
Workstation
Workstation
Release date
July 2014
October 2020
Interface
PCIe 2.0 x16
PCIe 4.0 x16
Supplementary power connectors
None
8-pin EPS
Boost clock speed
1124 MHz
1800 MHz
Core clock speed
1058 MHz
1410 MHz
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
8 nm
Number of transistors
1,870 million
28,300 million
Pipelines / CUDA cores
384
10752
Power consumption (TDP)
41 Watt
300 Watt
Texture fill rate
26.98
625.0
Memory type
128 Bit
GDDR6
Maximum RAM amount
2 GB
48 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
1800 MHz
16000 MHz
Memory bandwidth
Up to 29 GB/s
768.0 GB/s
Shared memory
-
-
Display Connectors
DVI-I DP
4x DisplayPort
Number of simultaneous displays
4
-
DirectX
12
12 Ultimate (12_2)
CUDA
5.0
8.6
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
5
6.5
Vulkan
+
1.2
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-