Question Quick Charge 2.0 with processor 801 S5 ?

the Quick Charge 2.0 integrated for up to 75% faster battery charging inside
samsung S5 with the 801 working always with the regular charger or we need special charger?

And what are the differences between S5 LTE vs Samsung Galaxy Octa ?
SM-G900F vs SM-G900H ( snapdragon 801 vs Exynos 5422)
Especially about Battery consume power and Performances ?

thank you!