Intel is constantly developing new products at different levels. Depending upon the speed and capacity of the processor you desire, the price can vary widely. 2013 prices for Intel processors vary from 50 - 1,000 dollars.
Intel i7 processor
Currently the i7 is the best processor you can get, if you have the money to spend on one I suggest that you do.
the intel i7 is a computer processor in the intel i series of processors in the i series of processors is the i3, i5, i7 and i9 if you want more info check out intel's website
The best processor by Intel now is Core i7 975 Extreme Edition.
I7
Apple no longer sells a 24" iMac. The fastest 21.5" is $1,699 with a 2.8GHz Quad Core Intel Core i7 processor. The fastest 27" is $2,199 with the 3.4 GHz Quad Core Intel Core i7 processor.
The Intel core i7 processor processes data at at least 3 gigahertz. Laptops with this processor are such as the Asus K52JT-XT1 and the HP Envy 15-1050nr.
yes
It depends on what you want to do. For the most part Intel is overall a better processor. Currently Intel Core i7-5960X is a best and fastest processor out there for the money.
Well both of these are good proceesors. But the i7 has 8 cores unlike the quad which has 4. So if you have money I would prefer the Intel i7.
the best processor for a desktop is the Intel i7 Extreme which has a speed of 3.2GHz and 8MB of cache
Much faster. I cannot say exactly how much faster is it, but at least 5-6 times.