Quadro K420 and Radeon HD 7450A - video card comparison
Passmark - benchmark score Quadro K420 vs Radeon HD 7450A
Quadro K420
768
Radeon HD 7450A
297
Quadro K420
Radeon HD 7450A
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK107
Caicos
Market segment
Workstation
Desktop
Release date
July 2014
January 2012
Interface
PCIe 2.0 x16
MXM-A (3.0)
Supplementary power connectors
None
-
Core clock speed
876 MHz
625 MHz
Floating-point performance
336.4 gflops
200.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
370 million
Pipelines / CUDA cores
192
160
Power consumption (TDP)
41 Watt
25 Watt
Texture fill rate
14.02
5.000
Memory type
128 Bit
GDDR3
Maximum RAM amount
1 GB/2 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
1600 MHz
Memory bandwidth
Up to 29 GB/s
12.8 GB/s
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
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
+
-