GeForce GTX 1660 Ti Mobile Refresh and Radeon 780M - video card comparison
GeForce GTX 1660 Ti Mobile Refresh
Radeon 780M
Architecture
Turing (2018−2021)
RDNA 3
GPU code name
TU116B
Phoenix
Market segment
Laptop
Laptop
Release date
May 2019
January 2023
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
1590 MHz
3000 MHz
Core clock speed
-
1500 MHz
Manufacturing process technology
12 nm
4 nm
Number of transistors
6,600 million
25,390 million
Pipelines / CUDA cores
1536
768
Power consumption (TDP)
-
54 Watt (35 - 54 Watt TGP)
Texture fill rate
152.6
139.2
Memory type
GDDR6
System Shared
Maximum RAM amount
6 GB
System Shared
Memory bus width
192 Bit
System Shared
Memory clock speed
16 GB/s
System Shared
Memory bandwidth
384.0 GB/s
-
Shared memory
-
+
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
Portable Device Dependent
HDMI
+
-
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
7.5
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
6.5
6.7
Vulkan
1.2
1.3