Bug] (1.16) Using Sildur's Vibrant shaders my Minecraft is locked at 30fps, and without shaders it's locked at 60 · Issue #4202 · sp614x/optifine · GitHub
Help, my GTX 1660ti is trash - Troubleshooting - Linus Tech Tips
Minecraft : GTX 1660 Super | Ryzen 5 5600 (Sildurs & Seus Vibrant Shaders) - YouTube
Minecraft Shaders - i5 9400 GTX 1660 ti - YouTube
GeForce GTX 1660 ti -- AMD Ryzen 5 2600 -- Minecraft Shaders FPS Test Optifine & SEUS - YouTube
iBUYPOWER Gaming Pc (i7-9700F 3.0Ghz, GeForce GTX 1660 Ti 6GB, 16GB DDR4 (how much fps on Minecraft,Fortnite,fall guys) and should I get it : r/computers
Shaders running on a GTX 1660ti on bedrock edition using RTX Deferred : r/ Minecraft
GeForce GTX 1660 ti -- Intel Core i5-11600K -- Minecraft FPS Test i5-11600KF - YouTube
30 fps with GTX 1660ti : r/Minecraft
GTX 1660 TI | Minecraft 1.16.4 Fps Test with Shaders - YouTube