CPU replacement for DELL PRECISION TOWER 3000 SERIES (3620)?

Question

Processors

There is a DELL PRECISION TOWER 3000 SERIES (3620) here is a description on it a stone i7 6700 has come up I want to put an Intel Pentium G4560 budget is limited. but before ordering decided that it is better to ask. the description says that it supports Xeon, Core i7 and Core i5 processors and Pentium not words, the socket is the same LGA1151 only i76700 Skylake and Pentium G4560 Kaby Lake.