Intel Core i5-10400 Specs: In the Middle With You
To elaborate on our introduction, Intel's move to the LGA 1200 socket with its "Comet Lake" 10th Generation desktop chips saps much of the Core i5-10400's value proposition, since you need to get a new motherboard for it. That's in contrast with AMD's ubiquitous support of Socket AM4 with its mainstream Ryzen CPUs.
Boards with that socket, through a host of chipsets, have been on the market for years now, and you may already own one. That is not likely in the case of Intel's new boards, and that dampens the value proposition of lower-end chips. The Core i5's performance doesn't do enough to justify a standalone upgrade in an existing board unless, for some unlikely reason, you happen to own an LGA 1200 board equipped with a 2020-release of a Pentium Gold or Core i3 chip.