GeForce GTX 1660 Ti and Radeon Pro W6900X - video card comparison
GeForce GTX 1660 Ti
Radeon Pro W6900X
Architecture
Turing (2018−2021)
RDNA 2.0 (2020−2022)
GPU code name
Turing TU116
Navi 21
Market segment
Desktop
Workstation
Release date
February 2019
August 2021
Interface
PCIe 3.0 x16
PCIe 4.0 x16
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1770 MHz
2150 MHz
Core clock speed
1500 MHz
-
Manufacturing process technology
12 nm
7 nm
Number of transistors
6,600 million
26,800 million
Pipelines / CUDA cores
1536
5120
Power consumption (TDP)
120 Watt
300 Watt
Texture fill rate
169.9
688.0
Memory type
GDDR6
GDDR6
Maximum RAM amount
6 GB
32 GB
Memory bus width
192 Bit
256 Bit
Memory clock speed
12000 MHz
16 GB/s
Memory bandwidth
288.0 GB/s
512.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x HDMI, 4x Thunderbolt
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
6.5
Vulkan
1.2.131
1.2