Quadro K420 and Radeon R5 340X OEM - video card comparison
Quadro K420
Radeon R5 340X OEM
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK107
Oland
Market segment
Workstation
Desktop
Release date
July 2014
May 2015
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
-
1050 MHz
Core clock speed
876 MHz
900 MHz
Floating-point performance
336.4 gflops
806.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
950 million
Pipelines / CUDA cores
192
384
Power consumption (TDP)
41 Watt
65 Watt
Texture fill rate
14.02
21.60
Memory type
128 Bit
DDR3
Maximum RAM amount
1 GB/2 GB
2 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
2000 MHz
Memory bandwidth
Up to 29 GB/s
16 GB/s
Display Connectors
DVI-I DP
1x DVI, 1x DisplayPort
Number of simultaneous displays
4
-
DirectX
12
12 (11_1)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.5
4.6
Shader Model
5
5.1
Vulkan
+
1.2.131
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-