Which cpu's better for ultra settings game...

there is no big diffrence really,i use a 8350 stock and i run everything ultra settings. problem? intel fanboys may buy a 300bucks CPU but there is no freaking need for that.

the 8 cores WILL come in handly,since you can see games like BF4 and such start utilizing them!

the 8350 is an amazing chip id recommend you to get

I saw a lot of video but the intels one's fastest in some games , you get +10 fps

your paying a whole lot for 10fps,much rather have a faster graphics card

*And what about Intel i7 4790k? it can be overclocked easyly with air cooler to 5.5Ghz

i dont get it.

get a better graphics card not a crazy CPU wtf

I'm going to get a GTX 780ti Superclocked w/ACX cooler

then what are you crying about ._.

If you want the Overclocking capabilities for the future then you should choose the i7 4790k because it can be ran at much higher clock speeds using water cooled and has a lower TDP usage compared to the 8350 which Ex0rPl4net was telling you to get.
If you look here you can see the comparision with them both: http://cpuboss.com/cpus/Intel-4790K-vs-AMD-FX-8350

If you want something which is good and at a cheaper price then you could get an i5 4670k or a 4690k and then overclock the crap outta it as I have a stock i5 4670k and i've had no problems with playing games on it at ultra such as BF4 and im using a GTX 780 Superclocked w/ACX Cooler so yeah, The only games i cant play on ultra are poorly optimised games such as watch dogs.
If you want to see the comparison with these 2 then look here: http://cpuboss.com/cpus/Intel-Core-i...vs-Intel-4690K

Lastly, You could just look at this table and find the one which you want on there since this is to do with gaming performance on games:
http://cpuboss.com/cpus/Desktop-CPUs...rmance-4310750

I ffinally decide it...

Will Gigabyte z97x-gaming g1 overclock well with a 4790k?

Yeah should be, Almost all the gaming motherboards come with good overclocking capabilities.

Z97 GAMING 9 AC or Gigabyte z97x-gaming , Asus z97-Pro?

I personally prefer ASUS but Gigabyte is just OK as well. I'd suggest to take ASUS.

I decide to go with a Gigabyte ,