Lowest price for the 12700KF at present if looking to upgrade your CPU. Excellent CPU performance and runs much cooler than the 12900K/KF while retaining the full 8 performance cores.
Redeem copies of Monster Hunter Rise and Street Fighter V - details in this post
Available via their eBay store for $489 with SNSAVE coupon from this deal
12700K with iGPU also available via their eBay store for $539 with SNSAVE
You'd also likely need to upgrade your motherboard.