will E3-1231 fit my z97 sabertooth mk2 fit instead of 4690k and will it perform better?

[lebreacy]

Will E3-1231 fit my z97 sabertooth mk2 fit instead of 4690k and will it perform better?

 

[CTurbo]

Yes it will work in that motherboard and yes it is capable of outperforming the 4690k in certain tasks. If you already have the 4690k, I would not bother switching to the Xeon. The i7 4790k may be worth it depending on your uses.