Radeon HD 8750M and Quadro K420 - video card comparison
Passmark - benchmark score Radeon HD 8750M vs Quadro K420
Radeon HD 8750M
1021
Quadro K420
768
Radeon HD 8750M
Quadro K420
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Mars Pro
GK107
Market segment
Laptop
Workstation
Release date
November 2012
July 2014
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
775 MHz
-
Core clock speed
620 MHz
876 MHz
Floating-point performance
595.2 gflops
336.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
1,270 million
Pipelines / CUDA cores
384
192
Power consumption (TDP)
-
41 Watt
Texture fill rate
18.60
14.02
Memory type
GDDR5, DDR3
128 Bit
Maximum RAM amount
2 GB
1 GB/2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
2000 - 4000 MHz
1782 MHz
Memory bandwidth
64 GB/s
Up to 29 GB/s
Shared memory
-
-
Display Connectors
No outputs
DVI-I DP
Number of simultaneous displays
-
4
DirectX
12 (11_1)
12
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.5
Shader Model
5.1
5
Vulkan
1.2.131
+
3D Vision Pro
-
+
Mosaic
-
+
nView Desktop Management
-
+