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applesed

macrumors 6502a
Jun 25, 2012
533
340
Beat me to it.

Ive been using this thing for most of the morning today and I gotta say its FAST. One thing I expected to be quicker would be applying filters to some large-ish datasets in Numbers. Its faster than my 13" 3.5 but I kinda expected more with 8 cores.

If the app isn’t threaded, you’re looking at single core clock speed and I guess it’s turbo boost max.
 

Queen6

macrumors G4
Beat me to it.

Ive been using this thing for most of the morning today and I gotta say its FAST. One thing I expected to be quicker would be applying filters to some large-ish datasets in Numbers. Its faster than my 13" 3.5 but I kinda expected more with 8 cores.

We will see if and when. For the most part we should be hoping for none, outside of the usual "I spilled" For those that use and or rely on OS X the Buttery Keyboard issues bring absolutely no joy whatsoever...

Q-6
 
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fokmik

Suspended
Oct 28, 2016
4,909
4,688
USA
I received my 2019 yesterday, i9 2.3GHz, Vega 20. In normal use at least, it seems to run significantly cooler and quieter than my 2018 i7 2.6GHz, 560X.

I haven't tried pushing the gfx hardware yet though.
Yes, because Apple changed the thermal paste for the cpu, FINALY they put a decent one after 2 years of issues especially with the i9
 

Thysanoptera

macrumors 6502a
Jun 12, 2018
910
873
Pittsburgh, PA
Little more than that methinks, some serious under volting more likely...

Q-6
Yeah, TIM (you know, the compound, not the other one) has nothing to do with it, laptop still maxes out at 50-55W. But it is a lot faster, higher clocks at this power level - only voltage change can do it.
[doublepost=1560458906][/doublepost]
The die is naked in laptops, soldering doesn't apply.
 
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Queen6

macrumors G4
Yeah, TIM (you know, the compound, not the other one) has nothing to do with it, laptop still maxes out at 50-55W. But it is a lot faster, higher clocks at this power level - only voltage change can do it.
[doublepost=1560458906][/doublepost]
The die is naked in laptops, soldering doesn't apply.

Voltage & power draw, pretty clear. Apple must have pulled a couple of guy's off emojis for a week or so :p Just takes a little effort, then again if you cant be arsed...

Time for Apple to get real, as the guys who drive the Mac aren't just little rubber people who are obsessed with their Farcebook profiles or impressing at Starbucks. They are people that need to get work done in the real world to turn coin, if Apple is incapable of delivering others can and do...

Q-6
 

09872738

Cancelled
Feb 12, 2005
1,270
2,125
Yes, because Apple changed the thermal paste for the cpu, FINALY they put a decent one after 2 years of issues especially with the i9
The guys from LTT believe Apple implemented some fancy undervolting techniques, since the behaviour in Bootcamp/Windows is very different from macOS
 
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applesed

macrumors 6502a
Jun 25, 2012
533
340
so I just brought home the 8 core base model.

two things:
a) I can actually hear the CPU when it runs, it's a little high pitched, quick stop/starting sound
b) the touchID seems a little wobbly, I tap it and it makes a plasticy sound

Either of these normal based on others' experience? Thanks!
 

RumorConsumer

macrumors 68000
Original poster
Jun 16, 2016
1,639
1,155
We will see if and when. For the most part we should be hoping for none, outside of the usual "I spilled" For those that use and or rely on OS X the Buttery Keyboard issues bring absolutely no joy whatsoever...

Q-6
I rely on Mac OS and i have about 15 users.
so I just brought home the 8 core base model.

two things:
a) I can actually hear the CPU when it runs, it's a little high pitched, quick stop/starting sound
b) the touchID seems a little wobbly, I tap it and it makes a plasticy sound

Either of these normal based on others' experience? Thanks!
Its called CPU whine. Some of my models over the years have had it, some not. In the case of my new 2.4 8 core, no whine to be heard. Touch ID button solid as a rock.
[doublepost=1560475386][/doublepost]I did also want to to give a shout out to this thing:

https://www.amazon.com/gp/product/B07L3QMBFJ/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1

Been using it all day and its quite wonderful so far.
 

RumorConsumer

macrumors 68000
Original poster
Jun 16, 2016
1,639
1,155
My friends 2.6 6core just arrived. And it got a 2338 on CB R20 in a warm-ish room.

image.jpg

[doublepost=1560480640][/doublepost]
Do you have iStatMenus, or something else that would show the CPU voltage? If you have, could you check what the voltage is while running the CB20, it should be pretty constant at the same frequency, so just make a mental note what the GHz are.

Those results are very good, it scales almost 1:1 with number of cores, while power remains the same. On the 6 core MBP I'm getting 2550 and a number of others were getting the same. Using my 6 core desktop as a test bed, to get 2550 I have to run at 3.4 GHz. To get 3250, like 8 core MBP, I need to be at 4.25 GHz. You're getting this at ~3.2 average (trying to spread to initial spike over duration of the test), so the IPC seem to be the same as the 8th gen, but the performance/watt insanely improved, to the tune of ~25%. Looking at the 9th gen 6 core results doesn't seem like there is anything in the architecture itself, cooling and thermal ceiling the same, so Apple has to run the 8 core at much lower voltages.

Back to the 8 core 2.4-
Like this? The room is a good 10 degrees warmer FYI. Interesting how iStat and IPG report different values for the CPU frequency. Maybe just a biproduct of out of sync polling rates.
D1547D1E-0FCD-4360-BEAE-F69E96AC1D08.jpeg
 
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getheo

macrumors regular
Jul 3, 2011
107
19
My friends 2.6 6core just arrived. And it got a 2338 on CB R20 in a warm-ish room.

View attachment 842756
[doublepost=1560480640][/doublepost]

Thank you for your post. Could you please check the idle temperature for the 6-core? I saw a video that the 8core idle temp is ~35°C, 10°C lower than the 2018 model. What about the 6-core?
 

Thysanoptera

macrumors 6502a
Jun 12, 2018
910
873
Pittsburgh, PA
Back to the 8 core 2.4-
Like this? The room is a good 10 degrees warmer FYI. Interesting how iStat and IPG report different values for the CPU frequency. Maybe just a biproduct of out of sync polling rates.
Thanks, good thing that room temp was high, it was much easier to run some comparison tests with the 6 core. Looks like -65mV undervolt on CPU by Apple, pretty conservative, but still yields good results. I've set my GS65 to 0.94V at 3GHz, and everything scales beautifully with 8:6 ratio - 38W, 2280 score vs your 47W and 3030. More or less, because it wasn't constant on Mac. If you'll be bored, you could disable turbo (with an app) and run this again at 2.4 GHz flat - then we could nail exact number.

The thing is, the 8:6 ratio holds at same frequency and voltage. To match the score/performance the 6 core needs higher clocks and voltage eventually surpassing the 8 core requirements. My best CB20 was 2950 on the 6 core, but this was with 1.2V and over 60W.

That 8 core i9 is the best, most versatile laptop CPU ever released. If anybody is on the fence getting the i9 is a no brainer, especially that it is only $100 more if everything else is even. Performance/cost ratio is ridiculously low by Apple standards, especially when compared to $400 fee to upgrade to worthless 8th gen i9 a year ago. The only question is, if the undervolt applies also to 2.3 and if the $200 up-charge to 2.4 is worth it.
 

RumorConsumer

macrumors 68000
Original poster
Jun 16, 2016
1,639
1,155
Thank you for your post. Could you please check the idle temperature for the 6-core? I saw a video that the 8core idle temp is ~35°C, 10°C lower than the 2018 model. What about the 6-core?
Yeah I’ll get it in the cooler room tomorrow and re-run as well.
 

smirking

macrumors 68040
Aug 31, 2003
3,917
3,996
Silicon Valley
a) I can actually hear the CPU when it runs, it's a little high pitched, quick stop/starting sound
b) the touchID seems a little wobbly, I tap it and it makes a plasticy sound

I had a 2016 that was pretty silent. I now have a 2018 and I can hear the SSD work at times. Apparently, this isn't unusual. A lot of people have brought up hearing SSD noise. It's definitely not my favorite sound, but it's bearable.

I can also hear the CPU when I'm using an external mouse and have my MBP connected to my LG 5k. If I'm viewing on my laptop screen or am using the trackpad on the MBP, there's no noise. Most of the time, it's my SSD making noise.
 

RumorConsumer

macrumors 68000
Original poster
Jun 16, 2016
1,639
1,155
Thank you for your post. Could you please check the idle temperature for the 6-core? I saw a video that the 8core idle temp is ~35°C, 10°C lower than the 2018 model. What about the 6-core?
On the 2.6 6c 2019 - Fluctuating very slightly around 29c at 1.3ghz with nothing open just looking at the desktop. The room is about 22 degrees celsius/73F.
 
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RumorConsumer

macrumors 68000
Original poster
Jun 16, 2016
1,639
1,155
I see in your screenshot that iStat Menu shows only 6 Cores but you have i9-9980HK 8-Cores.
Am I wrong?
Thats funny. You are right. It does only show 6 cores and I do have 8. Look above in the visual meters and theres 8 bars. I wonder if they just havent updated iStat yet? Just looked in the prefs and I don't see a way to add 7 and 8.
 

idark77

macrumors 6502a
Dec 2, 2014
529
421
Thats funny. You are right. It does only show 6 cores and I do have 8. Look above in the visual meters and theres 8 bars. I wonder if they just havent updated iStat yet? Just looked in the prefs and I don't see a way to add 7 and 8.

I think so too...
 

donawalt

Contributor
Sep 10, 2015
1,280
623
On the 2.6 6c 2019 - Fluctuating very slightly around 29c at 1.3ghz with nothing open just looking at the desktop. The room is about 22 degrees celsius/73F.

As a point of reference I have a 2018 and 2019 MacBook Pro both with their respective upgraded i9 CPUs and the Vega 20 cards, 32GB RAM. They were right next to each other, both no direct sunlight or lamps on them, note the 2018 is about 3 degrees cooler. I think there is some error in this kind of test, but for what it's worth...

2018:
2018 MacBook Pro.png

2019:
2019 mbp.png
 
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applesed

macrumors 6502a
Jun 25, 2012
533
340
I rely on Mac OS and i have about 15 users.

Its called CPU whine. Some of my models over the years have had it, some not. In the case of my new 2.4 8 core, no whine to be heard. Touch ID button solid as a rock.

Well, I went back and swapped it out. New one doesn't make a peep, even with dropbox pegged the cpu with 130 threads. keyboard is getting kind of warm, but I guess that's the cost of indexing and dropbox updates the first day.
 

RumorConsumer

macrumors 68000
Original poster
Jun 16, 2016
1,639
1,155
Well, I went back and swapped it out. New one doesn't make a peep, even with dropbox pegged the cpu with 130 threads. keyboard is getting kind of warm, but I guess that's the cost of indexing and dropbox updates the first day.
Yeah that sounds fine. Congrats on the resolution.
 

RumorConsumer

macrumors 68000
Original poster
Jun 16, 2016
1,639
1,155
OK one of my favorite things so far:

I have been working with zip archives of several thousand files each getting in the 2-4gb range (gmail takeout and other databases). My old machine (13" 3.5ghz 2017) did these ok but it wasn't stellar. The 2019 8 core is ravaging these files. Just absolutely creaming them. CPU steadily working them over with turbo @ 4.5ghz.
 

RumorConsumer

macrumors 68000
Original poster
Jun 16, 2016
1,639
1,155
I have been compressing folders all day and I have very responsive AC in the room I am in. One thing I am noticing which I don't know if Ive ever noticed quite so much before is how much ambient temperature seems to affect it. I was just doing 3 ZIP encodings at one and it was steady at 4.3ghz @ 300% CPU and it was totally silent for a good 20 seconds. One task completed and it starts to edge up towards 4.4 and the fans come on pretty strong but still its quite in touch with itself.
 
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