Intel HM75 CPU compatibility list
i5-3210M, 2.5 GHz, L3 3 MB, Dual-core, HD 4000 GPU
i5-3210M, 2.5 GHz, L3 3 MB, Dual-core, HD 4000 GPU, Turbo 3.1 GHz
i5-3210M, L3 3 MB, Turbo 3.1 GHz, micro-PGA package
https://www.cpu-upgrade.com/mb-Intel_(chipsets)/HM75_Express.html