GeForce GTX 1660 Ti Mobile Refresh and Radeon RX 6800 - video card comparison
GeForce GTX 1660 Ti Mobile Refresh
Radeon RX 6800
Architecture
Turing (2018−2021)
Navi / RDNA2 (2020−2022)
GPU code name
TU116B
Navi 21
Market segment
Laptop
Desktop
Release date
May 2019
November 2020
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
1590 MHz
2105 MHz
Core clock speed
-
1815 MHz
Manufacturing process technology
12 nm
7 nm
Number of transistors
6,600 million
26,800 million
Pipelines / CUDA cores
1536
3840
Power consumption (TDP)
-
250 Watt
Texture fill rate
152.6
505.2
Memory type
GDDR6
GDDR6
Maximum RAM amount
6 GB
16 GB
Memory bus width
192 Bit
256 Bit
Memory clock speed
16 GB/s
16000 MHz
Memory bandwidth
384.0 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
+
+
DirectX
12 (12_1)
12 Ultimate (12_2)
CUDA
7.5
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
6.5
6.5
Vulkan
1.2
1.2