Logo

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
-
+