GeForce GTX 1660 Ti and GeForce GT 420 OEM - video card comparison
GeForce GTX 1660 Ti
GeForce GT 420 OEM
Architecture
Turing (2018−2021)
Fermi (2010−2014)
GPU code name
Turing TU116
GF108
Market segment
Desktop
Desktop
Release date
February 2019
September 2010
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1770 MHz
-
Core clock speed
1500 MHz
700 MHz
Floating-point performance
-
134.4 gflops
Manufacturing process technology
12 nm
40 nm
Number of transistors
6,600 million
585 million
Pipelines / CUDA cores
1536
48
Power consumption (TDP)
120 Watt
50 Watt
Texture fill rate
169.9
2.800
Memory type
GDDR6
DDR3
Maximum RAM amount
6 GB
1 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
12000 MHz
1800 MHz
Memory bandwidth
288.0 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
12 (12_1)
12 (11_0)
CUDA
7.5
2.1
OpenCL
1.2
1.1
OpenGL
4.6
4.6
Shader Model
6.5
5.1
Vulkan
1.2.131
N/A