The Intel Core i5-8400 processor is not completely convincing in the test and receives an average rating. The test candidate lacks an excellent rating. According to our lab measurements, it does not convince across the board in any individual rating. Our test candidate is average in every respect - in all evaluation categories, the device shows a mediocre result...

The Core i7-8700K offers a top overall package thanks to very high speed, acceptable power consumption and integrated graphics chip - the reward is a well-deserved first place in the best list. If you're just keen on a six-core Intel, you can't go wrong with the cheaper i5-8400...