Quadro K420 and GeForce GTX 745 OEM - video card comparison
Quadro K420
GeForce GTX 745 OEM
Architecture
Kepler (2012−2018)
Maxwell (2014−2018)
GPU code name
GK107
GM107
Market segment
Workstation
Desktop
Release date
July 2014
February 2014
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Core clock speed
876 MHz
1033 MHz
Floating-point performance
336.4 gflops
793.3 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,870 million
Pipelines / CUDA cores
192
384
Power consumption (TDP)
41 Watt
55 Watt
Texture fill rate
14.02
24.79
Memory type
128 Bit
DDR3
Maximum RAM amount
1 GB/2 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
1800 MHz
Memory bandwidth
Up to 29 GB/s
28.8 GB/s
Display Connectors
DVI-I DP
1x DVI, 1x HDMI, 1x VGA
Number of simultaneous displays
4
-
HDMI
-
+
DirectX
12
12 (11_0)
CUDA
3.0
5.0
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5
5.1
Vulkan
+
1.1.126
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-