What is required for 4K/240Hz OLED

Should I upgrade for 5070Ti and monitor 4K/240Hz OLED? or wait for years?

Hardware of my computer
Motherboard: MSI B450 Gaming Plus (2023)
CPU: R9 5900x (2023)
GPU: RTX 2060 Super (2019)
Memory: 32GB DDR4 Corsair (2023)
Storage: Samsung 980 EVO 1TB Internal SSD PCIe 4.0 NVMe (2023)
AIO cooler (2019)

Keyboard: MAD 60 PRO (2025)
Mouse: Logitech G Pro X Super Light (2025)

Monitor: AOC 1080p 144Hz

I saved 3,000 bucks over months should I build a new PC?