Would the 2.1ghz/128ssd MBA be noticeably faster than the 1.8ghz/128ssd MBA doing common everyday tasks, emails, surfing, photo viewing, youtube playback...
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2.1ghz/128ssd noticeably faster than 1.8ghz/128ssd MBA ?
- Thread starter entatlrg
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I exchanged a two-week old 1.86 with ssd for a new 2.13 with ssd earlier this month. The difference is minimal but noticeable. Depends on what you do "everyday" that exercises the processor. For me, it is iMovie, iPhoto, and using visualHub. For photo editing/rendering and converting say an .avi to a mpeg-4 the 2.13 is maybe 10% faster. No big deal on a 4 minute clip of the toddler, but for something longer can add up. The 1.86 CPU got hotter but not by very much. I have noticed no difference with safari, mail.app, microsoft office, and most other things I do.
I upgraded my 1.8/SSD Rev A to the 2.13/SSD. There is a slight increase in load speeds. Eg, office takes 2-3 seconds longer in rev A compared to rev C. This is perhaps due to a difference in memory speeds. Apart from that, there's not much of a difference.
My rev A SSD took about 35 seconds to boot up, rev C 2.13 took 29 seconds to boot up (likely less difference on rev B SSD, probably around 31?), so even a big process like that has only such a difference. You could use my theoretical super simple (and not always accurate) formula of "N * 29 / 31" to measure the difference of rev B SSD and rev C SSD performance speed 
(ok, basically joking... but u get the point...)
(ok, basically joking... but u get the point...)My rev A SSD took about 35 seconds to boot up, rev C 2.13 took 29 seconds to boot up (likely less difference on rev B SSD, probably around 31?), so even a big process like that has only such a difference. You could use my theoretical super simple (and not always accurate) formula of "N * 29 / 31" to measure the difference of rev B SSD and rev C SSD performance speed
My rev B SSD takes 26 seconds to boot
I don't think it's a good way of measuring performance, a few seconds of difference can depend on things like system caches and change depending on use...