VGC users know more than Carmack then!
The technical gap will be the smallest ever.
PS360 in comparison have WAY more differences than Xbox One and PS4 will have.
Last gen, there were discussions about "teh cell", something nobody had a clue about. Or the RAM 512MB vs 256MB + 256MB, or BluRay vs DVD9... The differences we are talking about now are tiny in comparison.
RAM is the same (yeah one is faster... SHOCKER)
CPU is the same
GPU is slightly different (Don't even try to make a big deal out of it)
input media is exactly the same
cloud computing (One supports it for certain games, the other one does not)
The machines are nearly identical and Carmack even said it.
Please don't spread BS if you don't know what you are talking about.
You are right about PS360 having more component differences, but what does that have to do with a difference in power? That's like saying a steam powered car and an electric car have almost the same top speed, therefor two gas cars must have the exact same top speed.
Luckily for us the two systems being so similar makes it pretty straight forward to see how large the gap is and which system is stronger. With previous gens each system had its strengths and weaknesses. PS3 had a super powerful CPU but it was a bitch to tap that performance. On top of that it had split RAM. The 360 had a great GPU and a single pool of RAM but its CPU had nothing on the theoretical power of the CELL. Each system had its relative strengths and weaknesses.
With Xbox One vs PS4 there is none of that. Same CPUs, same GPU architectures, same single pools of RAM, and a lot of the same part manufacturers. The only difference that isn't a black and white number is DDR3 + ESRAM vs GDDR5. This is the ONLY* power difference that is even close to being debatable. Everything else is PS4 is better, PS4 is better, PS4 is the same, PS4 is better**...
Of course there is the debate on how much better the PS4 will be in real world examples, but it will be bigger than the PS360 difference I can guarantee you that. If you care for some bet about this, just PM me. We can discuss specifics.
*Xbox One is believed to have a less taxing audio chip than PS4. It's also debatable yet most people ignore it since its effects on system performance are minimal.
**Xbox One has more transistors and a higher GPU clock than PS4, but those numbers are meaningless on their own.