My new mac has:

2.2GHz Quad-core Intel Core i7, Turbo Boost up to 3.4GHz 16GB 1600MHz DDR3L SDRAM 256GB PCIe-based Flash Storage Intel Iris Pro Graphics Force Touch trackpad Backlit Keyboard (English) & User's Guide Accessory Kit

But when I scroll this (or other pdf) in safari link

it looks not smooth when you scroll it. But my mac book MacBook Pro (13-inch, Mid 2012) has smooth scrolling.

Actually on my new retina mac if I open gmail via safari and try to scroll over 20 emails in list it also stuck when scrolling. Like it's from 1995 years computer.

So I tried it on 10 computer in apple store and all of them have the same problem when scroll link above or gmail content in safari.

Why? (

  • I'm having a similar issue with my late 2013 mbpr especially with gmail but also with the link you posted when scrolling fast... – doovers Jun 15 '15 at 22:41
  • @doovers, yea when we scroll so fast it seems like very very chopping – Matrosov Alexander Jun 16 '15 at 4:35

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