i7 8700K vs i5 9400f - cpu comparison for Gaming

Specs

i7 8700Ki5 9400f
Average Price$389$149
BrandINTELINTEL
Cores66
Threads126
Base Frequency3.74.1

Gaming performance (working with gtx 1080 Ti, Ultra quality)

FPS (i7 8700K)FPS (i5 9400f)
A Way Out 152.3146.1
AirMech Strike 142.7136.7
apexlegends 113.8108.9
Battlefield 4 74.471.4
BATTLETECH 95.191.2
Call of Duty ww2 157.1150.8
CSGO 275.9265.3
destiny2 135.4130.3
DOTA2 183.1175.9
Far Cry 5 119114.1
Fortnite 143.8138.1
Frostpunk 145.7139.8
GTA 94.690.5
LOL 250.7239.1
overwatch 178.2171
Path of Exile 174.8167.4
PUBG 9389.5
Radical Heights 104.3100.2
rainbow6siege 110.2105.3
Sea of Thieves 146.8141
StarCraft 2 166.5159.5
Total War THREE KINGDOMS 85.982.2
Warframe 190.8182.8
World of Tanks 77.574.4

Conclusion

Price to Performance: i5 9400f is better. (62% Lower on Price, 4% Lower on performance.)

All resources

Games:
A Way Out AirMech Strike Apex Legends Battlefield 4 BATTLETECH Call of Duty WWII Counter-Strike: Global Offensive Destiny 2 Dota 2 Far Cry 5 Fortnite Frostpunk Grand Theft Auto V League of Legends Overwatch Path of Exile PlayerUnknown's Battlegrounds Radical Heights Rainbow Six | Siege Sea of Thieves StarCraft 2 Total War THREE KINGDOMS Warframe World of Tanks
GPUs:
RX 570rx 5700rx 5700 xtRX 580rx 590RX Vega 64gtx 1050gtx 1050 Tigtx 1060 3Ggtx 1060 6Ggtx 1070gtx 1070 Tigtx 1080gtx 1080 Tigtx 1660gtx 1660 supergtx 1660 Tigtx 970gtx 980gtx 980 Tigtx Titan Xrtx 2060rtx 2060 superrtx 2070rtx 2070 superrtx 2080rtx 2080 Ti
CPUs:
Ryzen 5 1600xRyzen 5 2600Ryzen 5 2600xRyzen 5 3600Ryzen 5 3600xRyzen 7 1700XRyzen 7 3700xRyzen 7 3800xRyzen 7 3900xi3 7100i5 7500i5 7600ki5 8400i5 8600ki5 9400fi7 7700Ki7 8700Ki7 9700ki7 9900k