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New MacBook Pros Include Improved Thermal System That Apple Says You'll Rarely Need Thanks to Apple Silicon

mi7chy said:
I'll believe it when I see it. MBA M1 loses ~34% performance from throttling under sustained load. Marketing often doesn't match reality.
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Umm, yeah... the M1 MBA does not have a fan, of course it's going to throttle under sustained load, Apple even said as much.

Come back when you find reports of the 13" M1 MBP throttling, cause I haven't seen any of those - it has a fan that kicks on when needed. The M1 has a TDP of ~30W. A very low spinning fan can keep that cool.

I'm guessing the M1 Pro has a TDP of ~60W, and the M1 Max ~85W. A fan will have no problem keeping those cool.
 
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Surne said:
The complaint is that it's completely unnecessary and breaks the aesthetic of the screen which is what our eyes are looking at 99% of the time. No one is putting notches on laptops for good reason, because it's idiotic and 100% unnecessary. Most people will always choose a slightly thicker top bezel over a notch. The bezels can be thinned out on the sides and bottom, and a little bit on top with no notch, and that would have been totally fine. No one asked for this notch and no one wanted it. It's only now that it's been thrust upon us that the apologists are coming out of the woodwork doing backflips and mental gymnastics trying to justify this idiotic design choice.
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I really don’t see why people like yourself are getting so annoyed by it. You’ll be able to turn it off if you don’t like it. So, everybody wins.
 
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mjtomlin71 said:
Umm, yeah... the M1 MBA does not have a fan, of course it's going to throttle under sustained load, Apple even said as much.

Come back when you find reports of the 13" M1 MBP throttling, cause I haven't seen any of those - it has a fan that kicks on when needed. The M1 has a TDP of ~30W. A very low spinning fan can keep that cool.

I'm guessing the M1 Pro has a TDP of ~60W, and the M1 Max ~85W. A fan will have no problem keeping those cool.
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Have seen reports of Mac Mini M1 throttling and that has a fan. 85W iGPU + 30W CPU in a laptop is going to be toasty and almost as bad as Temecula.
 
mi7chy said:
Have seen reports of Mac Mini M1 throttling and that has a fan. 85W iGPU + 30W CPU in a laptop is going to be toasty and almost as bad as Temecula.
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And I've seen reports of big foot... I haven't actually seen big foot... but there are reports!

I have an M1 Mac mini and I have not seen it throttle.... and when I first got it, I tried.

BTW, Those wattage numbers are for the entire M1, not just the GPU cores. (Although, now that I think about it, it was reported that GPU frequency was increased in Pro/Max, so add 15W to those numbers).
 
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mjtomlin71 said:
And I've seen reports of big foot... I haven't actually seen big foot... but there are reports!
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You don't know how to use forum search? It was reported in Apple Silicon forum the other day. Bet you'll still deny it when you see it though.
 
these new machines, smash my hackintosh and new ROG G15 in geekbench. I seriously hoped my G15 would score higher, but 7600 sucks ass. its a great gaming machine, but probably time to get a new 16" for real work.
 
julesme said:
I’m really curious how battery life may vary across the configurations, when doing light activities such as web browsing, word processing, watching videos etc.

For example: Would a higher spec machine (M1 Max with 32-core GPU, 64GB Ram, and 8TB drive) be expected to drain battery faster than a low end M1Pro with fewer GPU cores, less RAM / SSD storage?
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No. Why would they if they aren't using the GPU or high performance cores?
 
UltimateSyn said:
Fair enough. Based on the GPU performance graphs that Apple showed it does look like the minimum power consumption on the M1 Pro is about 8W, whereas the minimum power consumption of the M1 Max is about 13W. You don't think those 5W will have any appreciable impact on heat and battery life? I'd love to be able to cancel my M1 Pro orders once I know the Max isn't going to run significantly hotter and last less time unplugged.
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5W in theory isn’t much. if battery is more of your number one concern then spec down your 16in just in case. 24 cores gpu will do it nicely. Remember it’s only 5w and most importantly your battery will likely last more than 8 hours. I assume you won’t expect to run fluid / aero dynamic simulation or heavy music production for 10 hours without a power source.
 
Westwood_1 said:
It's silly, but one of my favorite things about Macs is the low fan noise. My work-issued (and top-of-the-line) PC laptop is a great machine, but I can't stand how the fan comes on noisily and regularly. I've always appreciated that Apple is tuned in to this part of the user experience.
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NOT silly at all.

It's very annoying esp when you're doing heavy intense brain thinking work.
 
robertosh said:
The thing that surprised me was those huge feet (3 or 4mm maybe?). This would help on the cooling for sure, but looks kinda weird for me. Is also not clear if the 1.68cm height of the device is including those or not.
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I think part of the reason they needed the taller feet is the case sides are much more squared off on the bottom -- they no longer have the underside taper. This makes it harder to get your fingers underneath it to lift it off a table, requiring taller feet.
 
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Here's a copy of something I posted last weekend. As predicted, they gave the 16" AS MBP more TDP (I'm using it here to mean ability to dissipate thermal power) than the 16" Intel; if they didn't, it would throttle, and be noisy at high load:

*************

The max power consumption of the 16" i9 MBP was 102W with a Radeon 5500M https://www.notebookcheck.net/Apple...5500M-powered-multimedia-laptop.445902.0.html

For an M1 MBP, the same source measures 47.5W max (https://www.notebookcheck.net/Apple...o-gets-the-M1-performance-boost.510883.0.html)


A rough prediction says the max power output of an M1X (10 cores) with a 16-core GPU would be about double that, i.e., ~100W. And since the 16" i9 throttles with this power output, an M1X/16-core GPU inside a case with the currrent 16" Intel's TDP capacity would also throttle.

Thus, particularly if the AS 16" comes with a 32-core GPU, Apple may have designed it to have a higher TDP than the 16" Intel MBP.
 
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MacRumors said:


The new 14-inch and 16-inch MacBook Pros include entirely new designs and a new chassis, and one improvement of the newer chassis compared to its predecessor is improved thermals.

macbook-pro-thermal-system.png

Apple says that the new thermal system in its latest high-end MacBooks is capable of moving 50% more air at lower fan speeds. While the new thermal design is greatly improved, the efficiency of the new M1 Pro and M1 Max chips mean that for most customers, the "fans never turn on" for tasks done daily, according to Apple.

Apple's senior vice president of hardware engineering, John Ternus, touted during this week Apple's event that the new chassis was designed with an "intense focus on performance and utility." The new MacBook Pros are "precisely machined around an advanced thermal system," he added. All in all, the new thermal architecture allows the new MacBook Pros to maintain high performance over more extended periods, without overheating or requiring the fans to turn on at higher speeds.

The new 14-inch and 16-inch MacBook Pros, both configurable with the M1 Pro or M1 Max chips, are currently available for pre-order and will begin shipping to customers next
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SirWill said:
I will gladly accept a slightly thicker laptop if it means more efficient cooling system. Less noise when under load and totally silent when under typical normal web surfing. I would even love it if there was a setting that allowed you to say run efficient and keep fans off but throttle speed if necessary. Anytime it is throttling because of temp and keeping fans off if it could give an indicator it could help you know your settings are why it might be running slow. And when I say setting I mean a real easy to toggle setting too. I can hardly wait for my new 16 Pro to get here in a month.
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I hope the new active cooling system is useless like apple says. U have it but dont need it
 
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theorist9 said:
Here's a copy of something I posted last weekend. As predicted, they gave the 16" AS MBP more TDP (I'm using it here to mean ability to dissipate thermal power) than the 16" Intel; if they didn't, it would throttle, and be noisy at high load:

*************

The max power consumption of the 16" i9 MBP was 102W with a Radeon 5500M https://www.notebookcheck.net/Apple...5500M-powered-multimedia-laptop.445902.0.html

For an M1 MBP, the same source measures 47.5W max (https://www.notebookcheck.net/Apple...o-gets-the-M1-performance-boost.510883.0.html)


A rough prediction says the max power output of an M1X (10 cores) with a 16-core GPU would be about double that, i.e., ~100W. And since the 16" i9 throttles with this power output, an M1X/16-core GPU inside a case with the currrent 16" Intel's TDP capacity would also throttle.

Thus, particularly if the AS 16" comes with a 32-core GPU, Apple may have designed it to have a higher TDP than the 16" Intel MBP.
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The entire M1 Mac Mini draws less than 30W under full power and anandtech estimates the TDP to be in the 20-24W range for the M1. So all your other calculations are wrong. Apple themselves show the M1 Max with 32 core GPU at <60W in their graphs.

But then, the new MBP’s also have a better cooling system with 50% more airflow than the prior 16” models. Apple specifically stated that these fans would hardly be used unless under extended workloads.

AnandTech Forums: Technology, Hardware, Software, and Deals

Seeking answers? Join the AnandTech community: where nearly half-a-million members share solutions and discuss the latest tech.
www.anandtech.com www.anandtech.com
 
theotherphil said:
The entire M1 Mac Mini draws less than 30W under full power and anandtech estimates the TDP to be in the 20-24W range for the M1. So all your other calculations are wrong. Apple themselves show the M1 Max with 32 core GPU at <60W in their graphs.

But then, the new MBP’s also have a better cooling system with 50% more airflow than the prior 16” models. Apple specifically stated that these fans would hardly be used unless under extended workloads.

AnandTech Forums: Technology, Hardware, Software, and Deals

Seeking answers? Join the AnandTech community: where nearly half-a-million members share solutions and discuss the latest tech.
www.anandtech.com www.anandtech.com
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Yeah, I forgot about the laptop screen. So the 16.5 W difference between the 31.0 W Anandtech measured for the Mini and the 47.5 W Notebookcheck measured for the Air is probably due mostly to that.
 
Sullivan0930 said:
this. Would be cool if apple created their own command center similar to Alienware where you can set a profile for what temps fans kick in, or if you want the system to only run at 70% load so it never gets hot, or overclocking the gpu...but apple will never allow this level of customizing on their platforms.
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No. Apple's philosophy isn't about removing control, it is about not needing it. If you need that kind of manual tweaking for all 12 customers that would use it, you've kind of failed to do you job.
 
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palmerc said:
No. Apple's philosophy isn't about removing control, it is about not needing it. If you need that kind of manual tweaking for all 12 customers that would use it, you've kind of failed to do you job.
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the ability to overclock with fans on full speed to speed up my process or wanting to slow down all processes to keep the machine cool and quiet should be an option. Apple can optimize all they want, but being able to decide what i want to do with my machine shouldnt be overlooked.
 
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Sullivan0930 said:
the ability to overclock with fans on full speed to speed up my process or wanting to slow down all processes to keep the machine cool and quiet should be an option. Apple can optimize all they want, but being able to decide what i want to do with my machine shouldnt be overlooked.
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Then clearly, the MacBook is the wrong product for you.
 
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