
Quadro K420 and Radeon HD 5450 PCI - video card comparison
Quadro K420
Radeon HD 5450 PCI
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK107
Cedar
Market segment
Workstation
Desktop
Release date
July 2014
February 2010
Interface
PCIe 2.0 x16
PCI
Supplementary power connectors
None
None
Core clock speed
876 MHz
650 MHz
Floating-point performance
336.4 gflops
104 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
292 million
Pipelines / CUDA cores
192
80
Power consumption (TDP)
41 Watt
19 Watt
Texture fill rate
14.02
5.200
Memory type
128 Bit
DDR2
Maximum RAM amount
1 GB/2 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
666 MHz
Memory bandwidth
Up to 29 GB/s
5.328 GB/s
Display Connectors
DVI-I DP
1x DVI, 1x HDMI
Number of simultaneous displays
4
-
HDMI
-
+
DirectX
12
11.2 (11_0)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.5
4.4
Shader Model
5
5.0
Vulkan
+
N/A
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-