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ric22

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Mar 8, 2022
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I'm looking forward to the next M4 Pro! Let's hope it's a good one after the crap M3 Pro (crap gains vs M2 Pro).
 

gsal

macrumors regular
Jun 1, 2019
137
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It’s interesting that they made the Apple logo out of copper for thermal cooling. Do you think they will release an active cooling attachment that will enable sustained performance when at a desk?
 
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DrWojtek

macrumors regular
Jul 27, 2023
187
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This is so weird. What is the M4 Pro going to look like then? Just 2 more perf cores and more GPU cores and more display driver? I don't know if I like this product segmentation. The normal and Pro chips are so close together and then there is a massive gap to the Max.
For M4, it might be that every P core does 2500 points and every E core half, 1250. Roughly.

That would put a 6+6 M4 Pro at 20.000 multicore score, going on par with the M3 Max. And a 8+6 Max at 25000 points. Great product segmentation IMO.
 
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ttyRazor

macrumors 6502
Sep 24, 2019
284
456
This is so weird. What is the M4 Pro going to look like then? Just 2 more perf cores and more GPU cores and more display driver? I don't know if I like this product segmentation. The normal and Pro chips are so close together and then there is a massive gap to the Max.
I’m guessing the M4 got 6 efficiency cores to make up for possibly binning performance cores. Hopefully the pro gets a similar bump in one of the core types, or it’ll end up like how the M1 Pro and Max were only different in GPU cores and memory channels. A base M4 MacBook Pro seems more attractive now, at least until you add RAM and storage to match the stock Pro chip configuration.
 
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klasma

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Jun 8, 2017
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They might skip m4 pro and go straight to m4, m4 max and m4 ultra. An overclocked (as per mac apple silicon fashion) m4 with few more gpu cores can easily match m3 pro performance while delivering 2x more npu power thanks to the inclusion of half precision instructions. This can allow them to deliver m3 pro performance in the 1.599 base mx mbp sku with hopefully 16gb ram this time. I'm not sad that I bought an m3 pro model, I'm just in awe of this generational bump as m3 family is already stupid fast, and i'm excited for my 2027-8 macbook or ipad pro purchase
The M4 apparently only supports one external display. They will likely make an M4 Pro for the base supports-two-external-displays model.
 
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klasma

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It seems those single-core results have to be taken with a grain of salt:

“The big single-core gains on Geekbench could be fueled by newly added support for Scalable Matrix Extensions (SME) — some of the subtests, like object detection and image blurring, see massive gains (~200% for object detection). Support would imply that Apple is using an ARMv9 architecture, but this isn't yet confirmed. In either case, SME would give a strong boost to some of the tests that form Geekbench’s CPU suite, bumping up the overall single-core score. However, Geekbench 6 only recently introduced support for SME with version 6.3, and Intel's competing AMX isn't supported. That's largely because matrix workloads are a better fit for other forms of compute, like the NPU or GPU, than the CPU cores. As such, it isn't clear how much real-world benefit SME would deliver if run on the CPU cores, if any, in daily usage.”

“The remainder of the benchmark score indicates a roughly 3% increase in performance over the prior gen M3”

This is a reminder that the Geekbench score isn’t a single linear measure.
 

CookItOff

macrumors member
Jun 11, 2023
93
334
It seems those single-core results have to be taken with a grain of salt:
I'll take some of that salt cause even if you started deducting for what you mentioned I don't think it would add up to the massive 500 point advantage of the M4 in an iPad, and the M4 would still be in the lead over the desktop PC world heaviest hitter. :)
 

ric22

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Mar 8, 2022
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It seems those single-core results have to be taken with a grain of salt:

“The big single-core gains on Geekbench could be fueled by newly added support for Scalable Matrix Extensions (SME) — some of the subtests, like object detection and image blurring, see massive gains (~200% for object detection). Support would imply that Apple is using an ARMv9 architecture, but this isn't yet confirmed. In either case, SME would give a strong boost to some of the tests that form Geekbench’s CPU suite, bumping up the overall single-core score. However, Geekbench 6 only recently introduced support for SME with version 6.3, and Intel's competing AMX isn't supported. That's largely because matrix workloads are a better fit for other forms of compute, like the NPU or GPU, than the CPU cores. As such, it isn't clear how much real-world benefit SME would deliver if run on the CPU cores, if any, in daily usage.”

“The remainder of the benchmark score indicates a roughly 3% increase in performance over the prior gen M3”

This is a reminder that the Geekbench score isn’t a single linear measure.
If it's really 3% only, which is hard to believe, that would be a gigantic fail.
 
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klasma

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Jun 8, 2017
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I'll take some of that salt cause even if you started deducting for what you mentioned I don't think it would add up to the massive 500 point advantage of the M4 in an iPad, and the M4 would still be in the lead over the desktop PC world heaviest hitter. :)
Tom’s Hardware says, as I quoted, that disregarding the special-use SME, single-core performance only improved 3% over the M3. Of course you can believe what you like.
 

ric22

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Zdigital2015

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Jul 14, 2015
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They might skip m4 pro and go straight to m4, m4 max and m4 ultra. An overclocked (as per mac apple silicon fashion) m4 with few more gpu cores can easily match m3 pro performance while delivering 2x more npu power thanks to the inclusion of half precision instructions. This can allow them to deliver m3 pro performance in the 1.599 base mx mbp sku with hopefully 16gb ram this time. I'm not sad that I bought an m3 pro model, I'm just in awe of this generational bump as m3 family is already stupid fast, and i'm excited for my 2027-8 macbook or ipad pro purchase
Apple isn’t going to skip the M4 Pro, it accounts for a sizable chunk of MBP sales at the retail level.
 
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Confused-User

macrumors 6502a
Oct 14, 2014
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If it's really 3% only, which is hard to believe, that would be a gigantic fail.
The author is confused in a number of ways, which have already been discussed in other threads here.

Even if IPC gains are as low as 3% - even if they were 0%, which they're clearly not - this would not be a fail. Driving clocks 9% higher without *losing* IPC is a huge win, and not one that should be taken for granted.

If you look at the various subtests you'll see 15-20% gains are common. Factor out the 9% for clocks and you still have a really serious uplift.
 
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