GeForce GTX 1660 and GeForce RTX 4080 Max-Q - video card comparison
GeForce GTX 1660
GeForce RTX 4080 Max-Q
Architecture
Turing (2018−2021)
Ada Lovelace
GPU code name
Turing TU116
AD104
Market segment
Desktop
Desktop
Release date
March 2019
January 2023
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1785 MHz
1350 MHz
Core clock speed
1530 MHz
-
Manufacturing process technology
12 nm
4 nm
Number of transistors
6,600 million
35,800 million
Pipelines / CUDA cores
1408
7424
Power consumption (TDP)
120 Watt
60 Watt
Texture fill rate
157.1
313.2
Memory type
GDDR5
GDDR6
Maximum RAM amount
6 GB
12 GB
Memory bus width
192 Bit
192 Bit
Memory clock speed
8000 MHz
14 GB/s
Memory bandwidth
192.1 GB/s
336.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
Portable Device Dependent
HDMI
+
-
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
7.5
8.9
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2.131
1.3