
Tesla K40c and Quadro K620 - video card comparison
Passmark - benchmark score Tesla K40c vs Quadro K620
Tesla K40c
4629
Quadro K620
2297
Tesla K40c
Quadro K620
Architecture
Kepler (2012−2018)
Maxwell (2014−2018)
GPU code name
GK180
GM107
Market segment
Workstation
Workstation
Release date
October 2013
July 2014
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Boost clock speed
876 MHz
1124 MHz
Core clock speed
745 MHz
1058 MHz
Floating-point performance
4,291 gflops
863.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
1,870 million
Pipelines / CUDA cores
2880
384
Power consumption (TDP)
245 Watt
41 Watt
Texture fill rate
210.2
26.98
Memory type
GDDR5
128 Bit
Maximum RAM amount
12 GB
2 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
6008 MHz
1800 MHz
Memory bandwidth
288.4 GB/s
Up to 29 GB/s
Display Connectors
No outputs
DVI-I DP
Number of simultaneous displays
-
4
DirectX
12 (11_0)
12
CUDA
3.5
5.0
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
5.1
5
Vulkan
1.1.103
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+