No it won't. It will be a lot bigger than the Moto X. Here's a comparison. Because Apple insists on huge bezels, it will be a lot bigger than other 4.7" phones.
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My phone is 5.2" and I see the 4.7" and they look tiny. I couldn't do it.
Because LG doesn't design phones with humongous bezels, my phone is basically just a screen.
So my 5.2" phone is as big as the 4.7" iPhone. Actually Apple is so lame, if you look closely the 4.7" iPhone 6 is taller than my G2.
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This here is my phone. I gave up the iPhone for this. For the 4.7" size of the iPhone 6 I get a 5.2" screen AND a 3,000mAh battery that lasts ALL DAY LONG with HEAVY USE. The iPhone 6 1,800mAh battery is a joke for the size of the phone. I'm at 85%. I've been watching YouTube since 5am. My "Screen On" time is 1hr 20min. I haven't turned off the screen since I woke up. The iPhone 6 would be at about 6X% at this point, maybe even less.
If I don't watch YouTube and just check Facebook and read Newsstand I can go 1 hour and the phone may go down 3%-5% only.
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