What is the best processor to play in HD, ie in 1080p nowadays. As we can see in the table below, the difference in performance today is quite thin between the processors available on the market. It is mainly the video card that does most of the work these years. And the games are very well optimized for the cards, whatever the CPU.
|Processor||Performance index for video games in 1080p|
|Intel Core i5-8600K||120.4|
|Intel Core i7-8086K||120.3|
|Intel Core i7-8700K||117.2|
|Intel Core i7-7740X||115.6|
|Intel Core i9-7960X||114.2|
|Intel Core i7-5960X||112|
|Intel Core i9-7920X||110.5|
|Intel Core i9-7980XE||110.5|
|Intel Core i9-7900X||110.4|
|AMD Ryzen 7 2700X||109.3|
|AMD Ryzen Threadripper 2950X||107.2|
|AMD Ryzen 5 2600X||105.5|
|Intel Core i7-7700K||105.1|
|Intel Core i7-7820X||103.2|
|AMD Ryzen Threadripper 1950X||101.4|
|AMD Ryzen Threadripper 1920X||100.9|
|AMD Ryzen 7 1700X||100.0|
|AMD Ryzen 7 1800X||98.8|
|AMD Ryzen 5 1600X||94.8|
|AMD Ryzen Threadripper 2990WX||93.5|
The index is a summary of the tests performed on the following games in 1920 x 1080: Warhammer 40000: Dawn of War III, The Witcher 3: Blood & Wine, Rise of the Tomb Raider, Overwatch, Kingdom Come Deliverance, Grand Theft Auto V, Far Cry 5, Doom, Crysis 3, Call of Duty Warfare, Assassin’s Creed, Ashes of Singularity, Battlefield 1, Civilization VI Graphics Test, Deus Ex Mankind Divided, Fallout 4, Ghost Recon Wildland, Hitman, Middle Earth Shadow of War, Project Cars 2, Starwars Battlefront 2, The Division, Total War : Warhammer. The settings are put in ultra mode. The graphics card used is the Nvidia Geforce GTX 1080.
The AMD Ryzen 7 1700X processor was used as a reference for this index.