Quadro K420 and Radeon HD 8570M - video card comparison
Passmark - benchmark score Quadro K420 vs Radeon HD 8570M
Quadro K420
768
Radeon HD 8570M
454
Quadro K420
Radeon HD 8570M
Architecture
Kepler (2012−2018)
GCN (2011−2017)
GPU code name
GK107
Sun
Market segment
Workstation
Laptop
Release date
July 2014
November 2012
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
-
Boost clock speed
-
825 MHz
Core clock speed
876 MHz
650 MHz
Floating-point performance
336.4 gflops
528.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
690 million
Pipelines / CUDA cores
192
384
Power consumption (TDP)
41 Watt
-
Texture fill rate
14.02
16.50
Memory type
128 Bit
DDR3
Maximum RAM amount
1 GB/2 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1782 MHz
1800 - 2000 MHz
Memory bandwidth
Up to 29 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
DVI-I DP
No outputs
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
+
-