GeForce GTX 1660 and GeForce RTX 3080 Ti 20 GB - video card comparison
GeForce GTX 1660
GeForce RTX 3080 Ti 20 GB
Architecture
Turing (2018−2021)
Ampere (2020−2022)
GPU code name
Turing TU116
GA102
Market segment
Desktop
Desktop
Release date
March 2019
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
1x 12-pin
Boost clock speed
1785 MHz
1665 MHz
Core clock speed
1530 MHz
-
Manufacturing process technology
12 nm
8 nm
Number of transistors
6,600 million
28,300 million
Pipelines / CUDA cores
1408
10240
Power consumption (TDP)
120 Watt
350 Watt
Texture fill rate
157.1
532.8
Memory type
GDDR5
GDDR6X
Maximum RAM amount
6 GB
20 GB
Memory bus width
192 Bit
320 Bit
Memory clock speed
8000 MHz
19 GB/s
Memory bandwidth
192.1 GB/s
760.3 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
+
+
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
7.5
8.6
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.6
Vulkan
1.2.131
1.3