Why does iPhone take 30-40 second to boot and MBA takes 12 seconds
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Small White Car
macrumors G4
Probably because the MBA has (at least) a dual-core Intel Core i5.
Col Ronson
macrumors 6502a
what he said
MacBooks use SSDs. iPhones actually do NOT use SSD class memory. They use much slower flash memory.
The iPhone memory is so slow that it can't even keep up with full rate USB2 much less USB3, which is why iPhones don't get a USB3 interface because that's not the bottleneck.
The 5S boots up extremely quick. The first time I started it up, I turned it on, looked away for what felt like a second and looked back to realize it was already at the lock screen. Surprised the hell out of me, lol.
I am happy with how fast the 5S boots up, compared to my previous 4S. No complaints.
I am happy with how fast the 5S boots up, compared to my previous 4S. No complaints.
scaredpoet
macrumors 604
Yes, the storage on iPhones (and most other mobile phones) has a slower read/write speed than the SSDs on the current MacBook Airs.
Also: iPhones generally aren't meant to be shut down. They just keep running as long as the battery remains charged.
Apple probably COULD get faster storage on the phones, but the price would probably be $100-$200 more expensive.
One other thing that could slow things down on the iPhone: the file system is encrypted. A MacBook Air running FileVault will also take longer to boot because of the encryption.
FYI: My iPhone 5S 64GB takes 28 seconds to boot.
Also: iPhones generally aren't meant to be shut down. They just keep running as long as the battery remains charged.
Apple probably COULD get faster storage on the phones, but the price would probably be $100-$200 more expensive.
One other thing that could slow things down on the iPhone: the file system is encrypted. A MacBook Air running FileVault will also take longer to boot because of the encryption.
FYI: My iPhone 5S 64GB takes 28 seconds to boot.
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parseckadet
macrumors 68000
You're kidding right? The Air has a faster CPU, faster storage, faster RAM, more RAM, and a faster bus to connect it all together. Your question is like asking why a fighter jet is faster than a poodle. Yes they both move, but beyond that they don't have much in common. The same is true for laptops and phones. They're botching computing devices, but they're so different that it does make sense to compare them.
thelatinist
macrumors 603
I believe the NAND Flash memory in the iPhone is capable of read speeds of about 20 MB/s...about a quarter the speed of a quality SSD. Its write speeds are somewhere between 3 MB/s and 6 MB/s, depending on vendor...also about a quarter the speed of a quality SSD.
Of course everything else people have mentioned: RAM speed, bus speed, processor speed, encryption, etc., are also factors.
Of course everything else people have mentioned: RAM speed, bus speed, processor speed, encryption, etc., are also factors.
If you fly a lot you wind up turning it off a lot.
Why ? I never turn my phone off when I fly as there is no need. All you have to do is put it in airplane mode.
Dave Felix
macrumors 6502a
airplane mode?
When I've been on airplanes they have always asked for devices to be off during takeoff and landing. Airplane mode is allowed when the flight is in the air, but not during takeoff.
Do you know how many people don't actually shut off their phone, including myself. I just switch into airplane mode as soon as they announce to put phones away. Having the phone on with airplane mode on is the same as having it off. If having your phone on was an actual issue and a danger while taking off/landing, then planes would be crashing all the time. Plus, if cell phones were that dangerous, it would be forbidden to even have a cell on a plane.
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Mlrollin91
macrumors G5
I still put my phone into airplane mode. Doesn't harm anything. Even if you don't turn on airplane mode, nothing will happen. There is rarely any service above 15,000 ft and the phone's antenna isn't strong enough to disrupt airplane radio frequencies.
thelookingglass
macrumors 68020
This. It's great to know that there are extremely law abiding citizens out there, but just putting your phone in airplane mode is enough to eliminate whatever minimal risk existed in the first place. I have never once completely turned my phone off on a flight and I never will. Same goes for everyone else I know who travels frequently.
Technically, it's supposed to be completely off during take-off and landing. That may change soon when they enable use of e-readers and tablets during take-off and landing.
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So because of the government shutdown, you need to shut down your phones?
Col Ronson
macrumors 6502a
yeah i hear that same speech, but its not like they grab my phone and actually check. I just swap on airplane mode and leave my phone in my pocket. I think i literally only turn my phone off maybe less than a dozen times a year.
Carlanga
macrumors 604
lmao
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AFAIK airplane mode is for all times in the airplane even takeoff.
It will be a while government shutdown or not. A cell phone is a wireless device and currently there is still FARs and FCC Regulations prohibiting the use of wireless electronic devices during a flight conducted IFR. Now how are they going to say ok you can use your iPad but enforce the radio off rule. Surely, there are challenges ahead.
I know one thing: Airlines crews have a lot of power to boot you off. The laws say if they even suspect you won't be cooperative during flight, hence making it unsafe for other passengers and crew, they have power to boot you off. You can sue all day long.