Quadro K620 and Tesla K20X - video card comparison
Quadro K620
Tesla K20X
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
GM107
GK110
Market segment
Workstation
Workstation
Release date
July 2014
November 2012
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin + 1x 8-pin
Boost clock speed
1124 MHz
-
Core clock speed
1058 MHz
732 MHz
Floating-point performance
863.2 gflops
3,935 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
7,080 million
Pipelines / CUDA cores
384
2688
Power consumption (TDP)
41 Watt
235 Watt
Texture fill rate
26.98
164.0
Memory type
128 Bit
GDDR5
Maximum RAM amount
2 GB
6 GB
Memory bus width
128 Bit
384 Bit
Memory clock speed
1800 MHz
5200 MHz
Memory bandwidth
Up to 29 GB/s
249.6 GB/s
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
DirectX
12
12 (11_0)
CUDA
5.0
3.5
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5
5.1
Vulkan
+
1.1.126
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-