2 or 4 cores processor?

What is the main difference between AMD and Intel 4 cores processors?

  1. Maintenance costs.
  2. Amd is cheaper, but heats more.
  3. dunno
  4. I don't know.
  5. I don't know them all well...
  6. ??
  7. intel da best
  8. Price.
  9. i don't know
  10. I don't know exactly
  11. ?