GeForce GT 420 OEM and UHD Graphics 605 - video card comparison
GeForce GT 420 OEM
UHD Graphics 605
Architecture
Fermi (2010−2014)
Gen. 9 Apollo Lake (2016−2017)
GPU code name
GF108
Gemini Lake
Market segment
Desktop
Laptop
Release date
September 2010
December 2017
Interface
PCIe 2.0 x16
PCIe 3.0 x1
Supplementary power connectors
None
-
Boost clock speed
-
750 MHz
Core clock speed
700 MHz
300 MHz
Floating-point performance
134.4 gflops
-
Manufacturing process technology
40 nm
14 nm
Number of transistors
585 million
189 million
Pipelines / CUDA cores
48
18
Power consumption (TDP)
50 Watt
5 Watt
Texture fill rate
2.800
14.40
Memory type
DDR3
DDR4 / LPDDR4
Maximum RAM amount
1 GB
System Shared
Memory bus width
128 Bit
64/128 Bit
Memory clock speed
1800 MHz
System Shared
Memory bandwidth
28.8 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_1)
CUDA
2.1
-
OpenCL
1.1
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
N/A
1.1.103
Quick Sync
-
+