BCLK vs Multiplier Overclocking

[psnco]

I currently have an i5-6500. With the price drops on the skylakes, I was looking at upgrading to an i5 or i7 K version.

The motherboards I was looking at were:

http://www.microcenter.com/product/455508/Z170M_Mortar_LGA_1151_mATX_Intel_Gaming_Motherboard

or

http://www.microcenter.com/product/467908/C7Z170-M_LGA_1151_mATX_Intel_Motherboard_with_USB_31

Both appear to only be able to overclock using BCLK and NOT adjusting the multiplier.

So, if I chose either motherboard, would I really notice a difference between a i5-6500 and an i5-6600k?

 

[PontiacGTX]

do you need a matx motherboard? because ATX like this allow BCLK overclocking
http://www.newegg.com/Product/Product.aspx?Item=N82E16813157652&cm_re=z170-_-13-157-652-_-Product

or you could check which could allow flashing to the bios allow non K overclocking on z170
http://overclocking.guide/intel-skylake-non-k-overclocking-bios-list/

 

[psnco]

The MSI Z170M Mortar and the Supermicro boards both allow BCLK overclocking thru the bios I've found. My question is.... Isn't overclocking via multiplier easier and "safer/more reliable" of a system? Or is this a misconception I have? I like the idea of a mATX board for the system I want to put together for my wife. She games (Not hardcore) and she'll use it for work (administrative/clerical work). I wanted a smaller case, but wanted a bit more than a mITX board/case has to offer. Thus I also though the i5 would be just fine.

 

[PontiacGTX]

before BCLK was linked the PCIe on SB/IB but now with skylake it isnt a problem

 

[lolfail9001]

Basically BCLK will also overclock uncore, memory (you may need to drop memory multiplier down, but that's hardly an issue) and basically disable AVX.

 

[MrGreg62]

Don't forget if you decide ahead of time to o/c via BCLK you don't need a K series chip. Personally I would get one to keep all my options open though.