Quadro K420 and Radeon R7 Graphics - video card comparison
Quadro K420
Radeon R7 Graphics
Architecture
Kepler (2012−2018)
GCN 2.0 (2013−2017)
GPU code name
GK107
Spectre
Market segment
Workstation
Desktop
Release date
July 2014
January 2014
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
None
-
Boost clock speed
-
980 MHz
Core clock speed
876 MHz
686 MHz
Floating-point performance
336.4 gflops
526.8 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
2,410 million
Pipelines / CUDA cores
192
512
Power consumption (TDP)
41 Watt
15 Watt
Texture fill rate
14.02
31.36
Memory type
128 Bit
System Shared
Maximum RAM amount
1 GB/2 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
1782 MHz
System Shared
Memory bandwidth
Up to 29 GB/s
-
Display Connectors
DVI-I DP
No outputs
Number of simultaneous displays
4
-
DirectX
12
12 (12_0)
CUDA
3.0
-
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
5
6.0
Vulkan
+
1.2.131
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-