I suspect this is because both are running at the same low base cpu frequency, and perhaps Geekbench is not causing any extra boosting of frequency which the Pro should be capable of with it's active cooling (aka fan). Interesting enough, Geekbench is not showing (me with my unscientific sampling) any difference really between the Air and the Pro. I think Mark Twain had a famous quote about benchmarks. I suspect there are better benchmarks that are more system oriented and help differentiate performance based on multi-tasking, IO, and large working sets. That used to be really important with high latency spinning hard drives, now a days, I can imagine it is not nearly as big a factor.įor the MacBook Air, with my arbitrary sampling of Geekbench v5 results, the 16GB model seems to show a slightly higher score on the GeekBench v5 Multi-Core test vs the 8GB models, probably around a 2% increase. More memory lets you keep more things in your working set, reducing the time required to swap in and swap out tasks. You are running Safari with multiple tabs, blah, blah blah. You are also running Adobe Illustrator or Inkscape working on graphics. You are not just running Xcode, you are also running the iOS/tvOS/whatever Simulator.
Xcode for macbook air upgrade#
While 8GB is probably *just fine*, the $200(USD) upgrade to 16GB is probably something I would go for, just as insurance. Here are my somewhat completely hand waving all-over-the-map mostly unsubstantiated thoughts: Take note that this list is live and based on most frequent questions in posts will be updated with "quicklinks".
There's too many to list them all, however here's a convenient link to all programming guides at
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