Even if today or in 2021 the first Mac with ARM will be presented, then devices such as MacBook Pro or iMac will continue to be released with Intel for next several years (minimal). This is a large segment of professionals who do not tolerate such changes. It will be a smooth transition.
I think we can look towards the last transition to see how ruthless Apple are with expediency of their product lines. It took just over a year.
And they're much better prepared this time in terms of infrastructure of hardware and software once they decide to pull the trigger.
They didn't care much how 'Mac Pro' owners would 'tolerate' their profligate attitude to the Mac Pro or professionals for 6 years.
(Or how Apple 'just decide' it's going TB3 only on it's Macbooks. Chainsawing legacy ports in the process.)
The caveat being, they had that 'emulation' of PPC layer for 3 years -ish.
Azrael.
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I expect them to go ARM in late 2021 or early 2022, but either way 15 days from now I hope Apple gives us an idea of what to expect.
Whenever Mac ARM is ready to drop a performance 'H' bomb on Intel.
I'd say a A14x is going to be very close to that. (That may explain the delay on it coming to an iPad this year. Maybe the step the 'x' version is going to take is significant.)
If it's coming next year, we must hear 'something' about it *this* WWDC2020.
Azrael.
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I am very curious about the 'high-end' Macs having their i7/i9s replaced with ARM CPUs. It could easily take 3-4 years to catch up and exceed them. Only time will tell, and this is before all prosumer and professional software is adapted. Any bets on how long it will take Adobe to fully optimise Photoshop, After Effects, etc, for high core count and powerful ARM CPUs? I know they've started to dabble with the iPad, but those are very cut down pieces of software...
We can't overlook the current Single core performance vs Intel cpus right now of A'X'. Or dismiss their multicore performance on what is now, a two year old chip.
Intel are thermally drowning. They're almost 'on fire.'
Apple want efficiency. They want power. They want performance.
In terms of where the current iMacs are...I'd be very concerned about A14x if I were Intel. They must know the relationship is on borrowed time.
The sheer order of magnitude of phone/pad sales pushing the dev' of the chip...must allow Apple leeway to create a tweaked for Mac 'ARM' chip that has higher clocks unshackled by a fanless environment.
And...they're cheap compared to Intel chips. You could put two A14x in an iMac and I think you'd see a frightening performer. ie. A14X dual core. Quad core. 8 core. You put an 8 core A14X in a Mac. The only thing I can think of is 'smash.' A beast. A wrecking ball. Transformational.'
I couldn't imagine 2 or 4 or 8 A12z cpus. One of them in an iPad is frightening.
The proof is ultimately in the pudding.
As somebody who remembers the PPC days. And the 'fear' over going INtel and all the 'holy war' arguments... I remain very calm about Apple 'coming' home to a Mac ARM chip.
There will be open displays of weeping and hails of triumphal returns to performance greatness.
Azrael.
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Yes, but for many the "future-proof" Mac will be the ARM based only so, if possible, it does make sense to wait for them (just like in the early 90's for the transition from Motorola to PowerPC).
I'm looking forward to a Mac ARM that has access to the iPad application market. Some of those apps are very packed with innovation, fresh, slick, paradigm shifting. Procreate is a wonder to behold.
People can talk about iOS being limited compared to the Mac OS. But those 'limitations' are walls that are being hauled down. Mouse. Keyboard. Adobe. AFFINITY apps being on the iPad market.
I expect Apple to step up their iPad OS efforts. (Very telling that Apple went 'iPad OS' in the 1st place...) You only have to look at iOS to see what Mac OS is getting next. eg. Metal.
Azrael.