Core i5-8600K has performance similar to Core i7-7700K

Intel's mid-range Coffee Lake-S processor competes with last-gen flagship 7700K.

1 minute & 29 seconds read time

Intel is pulling out all of the stops for its Coffee Lake-S architecture, with the flagship Core i7-8700K to be the new gaming champion with its 6C/12T of CPU performance hitting 4.8GHz on air cooling when overclocked. It also beats the 7700K by around 10% in games, and more in multi-threaded applications.

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But it'll be the mid-range Core i5-8600K that will have gamers pulling the trigger finger on their orders, with Chinese site PCOnline posting benchmarks of the 8600K early. They've compared it against the Core i7-8700K, Core i7-7700K, Core i5-7500, and AMD's Ryzen 7 1800X and Ryzen 5 1600X processors in a bunch of different games.

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Rise of the Tomb Raider scales beautifully between the processors, with the Core i5-8600K sliding right next to both of the Core i7 processors with 70FPS average.

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Ashes of the Singularity performance on the Core i5-8600K beats out the Core i7-7700K by 4FPS, but loses to the 6C/12T power of the new Core i7-8700K.

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Ghost Recon: Wildlands at 4K is hard on everything, but the Core i5-8600K manages to hold its own, with just 1FPS lower performance than the Core i7-7700K.

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Power consumption across the new processors is impressive, too... with 381W total power consumption on the Core i5-8600K compared to 392W for the 7700K, and 421W on the 8700K.

Intel is providing some damn good performance with the mid-range Core i5-8600K... something that I need to test myself when it launches. Right now I'm running the Core i3-7350K with a TITAN Xp graphics card and a 3440x1440 display and I can play Battlegrounds at 100FPS average with the right graphics details and optimizations.

You really don't need a Core i7 processor to game these days, and the new Core i3 and Core i5 processors in Coffee Lake-S form are only going to prove that with an underline and highlighter at the same time.


Anthony joined the TweakTown team in 2010 and has since reviewed 100s of graphics cards. Anthony is a long time PC enthusiast with a passion of hate for games built around consoles. FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with custom-built PCs. His addiction to GPU tech is unwavering and has recently taken a keen interest in artificial intelligence (AI) hardware.

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