Quadro K620 and Quadro 400 - video card comparison
Passmark - benchmark score Quadro K620 vs Quadro 400
Quadro K620
2297
Quadro 400
152
Quadro K620
Quadro 400
Architecture
Maxwell (2014−2018)
Tesla 2.0 (2007−2013)
GPU code name
GM107
GT216
Market segment
Workstation
Workstation
Release date
July 2014
April 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1124 MHz
-
Core clock speed
1058 MHz
450 MHz
Floating-point performance
863.2 gflops
108 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
486 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
41 Watt
32 Watt
Texture fill rate
26.98
7.200
Memory type
128 Bit
DDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1800 MHz
1540 MHz
Memory bandwidth
Up to 29 GB/s
12.32 GB/s
Display Connectors
DVI-I DP
1x DVI, 1x DisplayPort
Number of simultaneous displays
4
-
DirectX
12
11.1 (10_1)
CUDA
5.0
1.2
OpenCL
1.2
1.1
OpenGL
4.5
3.3
Shader Model
5
4.1
Vulkan
+
N/A
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-