Quadro K620 and GeForce GTS 450 Rev. 2 - video card comparison
Quadro K620
GeForce GTS 450 Rev. 2
Architecture
Maxwell (2014−2018)
Fermi 2.0 (2010−2014)
GPU code name
GM107
GF116
Market segment
Workstation
Desktop
Release date
July 2014
March 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
1124 MHz
-
Core clock speed
1058 MHz
783 MHz
Floating-point performance
863.2 gflops
601.3 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
1,170 million
Pipelines / CUDA cores
384
192
Power consumption (TDP)
41 Watt
106 Watt
Texture fill rate
26.98
25.06
Memory type
128 Bit
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1800 MHz
3608 MHz
Memory bandwidth
Up to 29 GB/s
57.73 GB/s
Display Connectors
DVI-I DP
2x DVI, 1x mini-HDMI
Number of simultaneous displays
4
-
HDMI
-
+
DirectX
12
12 (11_0)
CUDA
5.0
2.1
OpenCL
1.2
1.1
OpenGL
4.5
4.6
Shader Model
5
5.1
Vulkan
+
N/A
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-