well.. I guess it's time to buy a new processor then!
after going through all the settings , the game ran the same at pretty much all the settings.
A gameplay of Horizon running on pretty much high settings on my pc, captured with nvidia shadowplay
•PC specs:
intel core i5-4690K @3.5 ghz
MSI Geforce GTX 1060 6GB Gaming X
Gigabyte z97X-gaming 3 motherboard
16 GB of RAM
2 TB HDD , 250GB SSD
LG 29wk600 Ultra wide monitor (75hz)