
Quadro K420 and Radeon HD 8400 - video card comparison
Passmark - benchmark score Quadro K420 vs Radeon HD 8400
Quadro K420
768
Radeon HD 8400
273
Quadro K420
Radeon HD 8400
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
GK107
Kabini
Market segment
Workstation
Laptop
Release date
July 2014
May 2013
Interface
PCIe 2.0 x16
IGP
Supplementary power connectors
None
-
Core clock speed
876 MHz
600 MHz
Floating-point performance
336.4 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,178 million
Pipelines / CUDA cores
192
128
Power consumption (TDP)
41 Watt
25 Watt
Texture fill rate
14.02
3.200
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
-
Shared memory
-
+
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
6.3
Vulkan
+
1.2.131
3D Vision Pro
+
-
Mosaic
+
-
nView Desktop Management
+
-