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149

Apple's USB-C transition is a confusing mess (and that might be on purpose) (www.pocket-lint.com)

submitted 4 days ago by sabreW4K3@lazysoci.al to c/technology@beehaw.org

75 comments fedilink hide all child comments

And people still buy Apple products?

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[–] LostXOR@fedia.io 41 points 4 days ago (3 children)

Only Pro models support reasonable speeds for USB-C, up to 10Gbps. Regular iPhones are capped at USB 2.0 rates, up to 480Mbps, which is no faster than Lightning. With an iPhone 16 Pro, a 1GB file transfer can take 8 seconds -- with a vanilla iPhone 16, you're going to be waiting over 16 minutes.

...What? At 10Gbps a 1GB transfer takes under a second, while at 480Mbps it would take about 17 sec. Was this article written by AI or did the author just not care to actually do the math?

[–] sanzky@beehaw.org 21 points 4 days ago (1 children)

they are mixing gigabits with gigabytes so that is confusing. but even then, the math is still wrong for the usb 2 speeds.

[–] LostXOR@fedia.io 8 points 4 days ago (1 children)

My best guess is they somehow mixed up minutes and seconds? Usually people mix up bits and bytes the other way and overestimate speeds.

[–] mic_check_one_two@lemmy.dbzer0.com 4 points 4 days ago* (last edited 4 days ago)

Yeah, that’s largely due to hardware manufacturers’ and ISPs’ marketing teams wanting to show bigger numbers. “1 Gbps” sounds a lot cooler than “0.125 GBps”. But file sizes are almost always measured in bytes, not bits. And the difference between Gb and GB is subtle, at best. So a layman will easily assume that 1Gbps will transfer a 1GB file in 1 second.

And don’t even get me started on the difference between GB and fucking GiB…

[–] Chronographs@lemmy.zip 17 points 4 days ago (1 children)

I mean I don’t think I’ve ever seen USB 2 actually hit the 480mbps theoretical speeds, usually it’s much slower

[–] cmnybo@discuss.tchncs.de 8 points 4 days ago

The maximum real world speed for USB 2 is around 320Mbps or 40MB/s, but that only happens if there is only one device connected to the USB controller. 30MB/s is much more typical.

[–] Zanz@lemmy.ml 6 points 4 days ago

Those are the bi directional bandwidth not the file transfer speeds going one way.