GeForce GTX 1660 Ti and RTX A40 - video card comparison
GeForce GTX 1660 Ti
RTX A40
Architecture
Turing (2018−2021)
Ampere (2020−2022)
GPU code name
Turing TU116
GA102
Market segment
Desktop
Desktop
Release date
February 2019
October 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
8-pin EPS
Boost clock speed
1770 MHz
1755 MHz
Core clock speed
1500 MHz
-
Manufacturing process technology
12 nm
8 nm
Number of transistors
6,600 million
28,300 million
Pipelines / CUDA cores
1536
10752
Power consumption (TDP)
120 Watt
300 Watt
Texture fill rate
169.9
589.7
Memory type
GDDR6
GDDR6
Maximum RAM amount
6 GB
48 GB
Memory bus width
192 Bit
384 Bit
Memory clock speed
12000 MHz
14.5 GB/s
Memory bandwidth
288.0 GB/s
695.8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
3x DisplayPort
HDMI
+
-
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
7.5
8.6
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2.131
1.2