Quadro 4000 and Quadro K620 - video card comparison
Passmark - benchmark score Quadro 4000 vs Quadro K620
Quadro 4000
1523
Quadro K620
2297
Quadro 4000
Quadro K620
Architecture
Fermi (2010−2014)
Maxwell (2014−2018)
GPU code name
GF100
GM107
Market segment
Workstation
Workstation
Release date
November 2010
July 2014
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Boost clock speed
-
1124 MHz
Core clock speed
475 MHz
1058 MHz
Floating-point performance
486.4 gflops
863.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
3,100 million
1,870 million
Pipelines / CUDA cores
256
384
Power consumption (TDP)
142 Watt
41 Watt
Texture fill rate
15.20
26.98
Memory type
GDDR5
128 Bit
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
2808 MHz
1800 MHz
Memory bandwidth
89.86 GB/s
Up to 29 GB/s
Display Connectors
1x DVI, 2x DisplayPort
DVI-I DP
Number of simultaneous displays
-
4
DirectX
12 (11_0)
12
CUDA
2.0
5.0
OpenCL
1.1
1.2
OpenGL
4.6
4.5
Shader Model
5.1
5
Vulkan
N/A
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+