I'm sure nobody is going to help you out brother! Last week even I posted the same question but didn't got any reply!
Just had to research it on my own and now bought a PS4 Reg.1 on Saturday and I'm absolutely loving it!
Here's my comparison,
Design:
Though design doesn't matter to most of us, but to be honest, Xbox one looks like a SIMPLE Box, my cousin bought it on Friday, and I really didn't liked it design. Though the PS4 is sleek and Sexy! Absolutely love it's design and I must say, Sony came up with the best design!
Controller:
I've always been a fan of Xbox controllers, but to my surprise, Sony came up with the best controller! it really feels comfortable unlike the Dualshock 3! But still I must say, Xbox One controller is much better in hand and it's impulsive triggers give you a better feel!
Graphics:
Well to be honest I didn't felt any difference in graphics, everything seemed the same. But in real life, most of people say PS4 has better graphics and I did found a lot of difference on internet which did proved PS4 has better graphics, the difference was provided by IGN and other legit websites! And yes, PS4 has better GPU and a newer generation RAM.
User Interface:
PS4's user interface is really simple and User Friendly, just like PS3. Xbox One's interface is completely like Windows 8, though I liked Xbox One's interface as it gives you a feeling like you're using a PC.
Pricing:
PS4 currently is short here in Karachi so it's a bit expensive, a shopkeeper had already reserve one for me and gave it to me for Rs.49,000/- whereas market price was Rs.53,000/- even at wholesale rates it was Rs.52,000/-
Region one the US version which I got would be around Rs.50,000 in ISB
Region 2 and 3 are Rs.2000-3000 cheaper.
Xbox One:
So far I only know the price of NTSC version, it's for Rs.57,000/- and PAL Version would be around 8,000-10,000 expensive!
Now which one to buy, it depends on personal preference, currently what I think is that PS4 is better due to games being bit cheaper than those of Xbox One's, 1 year online subscription cheaper and the controller is also cheaper than Xbox one's, it has better graphics and a lot better design!
But again it totally depends upon you!