I just noticed the Donate Button reappeared on the home page. Does anyone know when it came back?

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Reviews are in for the i9-9900K. Fastest per core CPU performance to date. But if you need that many multiple cores, and are going to spend that much money, you might as well buy a Threadripper- if your application can take advantage of that many threads, then it's the sensible option. Greater performance, at a lower price.

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Grant
Darwin NT

I want people to put out some real reviews on the 9700k, I’ve got one on pre-order.

It seems almost no one got one of these 9900/9700 chips on launch day. Only a couple microcenters in the country got any. And it seems like all the retailers that took pre-orders didn’t get any or many either. I ordered from amazon on release day and mine hasn’t shipped yet. Reports from reddit say that not even the retailers got chips to fill their pre-orders.

The reviews so far have shown the 9900k to run extremely hot. 90+ C when Overclocked

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Seti@Home classic workunits: 29,492 CPU time: 134,419 hours

The reviews so far have shown the 9900k to run extremely hot. 90+ C when Overclocked

Given the manufacturing node, die size, number of cores & threads, cache size, the stock base & boost clocks, it's to be expected that they'll run extremely hot when overclocked, even just a bit.

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Grant
Darwin NT

it seems more to do with power consumption from the numbers i'm seeing. so far most of the reviews have shown results with just AIOs.

I havent seen many mentions of the 9700k thermals and power consumption, but I'm not too worried about for my 9700k since it lacks HT, and i have a VERY beefy water cooling setup (MO-RA3 360).

Whenever I get my chip, i'll be going for ~5.2GHz all-core on water.

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Seti@Home classic workunits: 29,492 CPU time: 134,419 hours

it seems more to do with power consumption

Yes, the heat is a result of the power consumption (and the way the heat spreader is attached to the die affects how easily it can be removed).
And the power consumption is the result of the factors I listed previously.

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Grant
Darwin NT

what i mean is the power consumption is disproportional.

the 9900k is the same die process size (14nm) as the previous 8700k/8086k, but using MUCH more power than the 33% jump in core/thread count. some power consumption numbers over 250W,

the 9900k is soldered, with better thermal conductivity than the standard thermal paste used on the 8700k/8086k, the 9900k should have better thermal transfer from die to spreader.

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Seti@Home classic workunits: 29,492 CPU time: 134,419 hours

what i mean is the power consumption is disproportional.

the 9900k is the same die process size (14nm) as the previous 8700k/8086k, but using MUCH more power than the 33% jump in core/thread count. some power consumption numbers over 250W,

That's to be expected given the larger L2 & L3 caches, but more importantly the clock speeds.
Because it's the same die & process & architecxture, the simple fact is that by upping the clocks, power use will be increase disproportionately because they're taking things beyond previously set limits. These CPUs are effectively already seriously overclocked at stock. If Intel aren't careful we could see a repeat of the PIII 1.13GHz issue.

It's why I haven't bothered overclocking since the BX chipset days.
Boosting clock speeds for a 10% percent improvement in performance, with a 15% increase in power usage just doesn't make sense to me. Yeah, a 10% performance boost for 5% power increase is a no brainer. 10 for 10, OK. But when the increase in power usage is greater than the increase in performance I just don't see the benefit, particularly when the performance boost is often 10% or less.


Edit-

]the 9900k is soldered, with better thermal conductivity than the standard thermal paste used on the 8700k/8086k, the 9900k should have better thermal transfer from die to spreader.

So imagine just how hot it would get if it didn't have that improved heat transfer?

From Annantech

Doubling the cores and adding another 50%+ to the frequency causes an almost 7x increase in power consumption. When Intel starts pushing those frequencies, it needs a lot of juice.

If you're going to increase the power consumption that much, then you're going to increase the heat output too.

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Grant
Darwin NT

what i mean is the power consumption is disproportional.

the 9900k is the same die process size (14nm) as the previous 8700k/8086k, but using MUCH more power than the 33% jump in core/thread count. some power consumption numbers over 250W,

the 9900k is soldered, with better thermal conductivity than the standard thermal paste used on the 8700k/8086k, the 9900k should have better thermal transfer from die to spreader.

Agree, the 9900K die size is 17% larger than the 8700K because of the two extra cores. It should be able to transfer more heat to the IHS because heat transfer is directly proportional to the surface area.

GamersNexus did a delid of the 9900K to remove the solder TIM and replaced it with Thermal Grizzly Hydronaut paste and found the STIM was only giving a 5° C. improvement over a decent quality paste. So the STIM is not the 'fixall' that everyone was hoping for. der8auer did a delid and replaced with liquid metal and got the typical delid/liquid metal improvement. So LM still better than STIM because it is less material to impede the heat transfer.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

Agree, the 9900K die size is 17% larger than the 8700K because of the two extra cores. It should be able to transfer more heat to the IHS because heat transfer is directly proportional to the surface area.

And it does.
However it's also producing a huge amount more heat, more than just the extra 2 cores, because of the higher clocks.

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Grant
Darwin NT

Agree, the 9900K die size is 17% larger than the 8700K because of the two extra cores. It should be able to transfer more heat to the IHS because heat transfer is directly proportional to the surface area.

And it does.
However it's also producing a huge amount more heat, more than just the extra 2 cores, because of the higher clocks.

Yep. A little gained but more lost. The charts for 5Ghz OC on 8C/16T show 290W power consumption for Blender for example.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

you must not have watched any of the review videos. it's not the clocks.

they compared the temps and power consumption of the old 6C/12T chips (8700k/8086k) to these new 8C/16T 9900k chips at the SAME clocks. (5GHz, all core)

yes, some tests have been done at stock speeds, but no one buys a K-CPU to run at stock speeds. they're overclockable and carry the price premium for that. if you're not going to overclock, you dont buy the K chip.

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Seti@Home classic workunits: 29,492 CPU time: 134,419 hours

you must not have watched any of the review videos.

Nope.
Just the written reviews & graphs.

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Grant
Darwin NT

Bugger.
It's been a while, but I got screwed over by a couple of GPUs. The GPUs disagreed with my CPUs Pulse & Triplet counts.
16oc18ac.2654.9903.9.36.0
Canonical result was a GTX 1050 Ti running CUDA42.

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Grant
Darwin NT

Welcome to the club. Should be used to it by now whenever you get paired with a Darwin host.

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Seti@Home classic workunits:20,676 CPU time:74,226 hours

A proud member of the OFA (Old Farts Association)

Greetings,

I'm kinda wonderin' why my RAC is dropping like a rock through water...

I'm running an old Lenovo tablet from several years ago. When it first started crunching SETI Prime, it's RAC was averaging about 76. A few days ago I saw the RAC was down to about 38. Today, it's down to 19.xx. At this rate, I won't be able to participate in the fora anymore since being able to post is governed by RAC. My main PC is not quite ready yet for Prime time; I still need to fix the CPU cooling issue. This new PC is only about 6 months old. My current AiO is not performing properly; I need to replace it. I'd hate to shorten the life of this new CPU by running it hot, even though it has internal regulation preventing overheating.

Anyway, any ideas why my RAC is dropping? :(

Have a great day! :)

Siran

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CAPT Siran d'Vel'nahr - L L & P _\\//
Winders 11 OS? "What a piece of junk!" - L. Skywalker
"Logic is the cement of our civilization with which we ascend from chaos using reason as our guide." - T'Plana-hath

Anyway, any ideas why my RAC is dropping? :(

Run time 2 days 4 hours 57 min 50 sec
CPU time 1 days 1 hours 41 min 12 sec

I'd check to see what else is running on the system that's taking up so much CPU time that it more than doubles the Run time.
Combine that with Credit New, and the fact a lot of the WUs over the last few weeks take much longer to process than the previous WUs, and the Credit payout while it is more isn't proportional with the previous WUs and their processing times, will all result in decreasing RAC.

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Grant
Darwin NT

Greetings,

I'm kinda wonderin' why my RAC is dropping like a rock through water...

I'm running an old Lenovo tablet from several years ago. When it first started crunching SETI Prime, it's RAC was averaging about 76. A few days ago I saw the RAC was down to about 38. Today, it's down to 19.xx. At this rate, I won't be able to participate in the fora anymore since being able to post is governed by RAC. My main PC is not quite ready yet for Prime time; I still need to fix the CPU cooling issue. This new PC is only about 6 months old. My current AiO is not performing properly; I need to replace it. I'd hate to shorten the life of this new CPU by running it hot, even though it has internal regulation preventing overheating.

Anyway, any ideas why my RAC is dropping? :(

Have a great day! :)

Siran

Perhaps it is because your tablet hasn't contacted SETI for nearly 2 weeks.

Last Contact - 9 Oct 2018, 12:49:32 UTC

PS the 76 to 38 then to 19 was a give away as RAC roughly halves in a week when no results are being returned.

Anyway, any ideas why my RAC is dropping? :(

Run time 2 days 4 hours 57 min 50 sec
CPU time 1 days 1 hours 41 min 12 sec

I'd check to see what else is running on the system that's taking up so much CPU time that it more than doubles the Run time.
Combine that with Credit New, and the fact a lot of the WUs over the last few weeks take much longer to process than the previous WUs, and the Credit payout while it is more isn't proportional with the previous WUs and their processing times, will all result in decreasing RAC.

Hi Grant,

Other than whatever runs when the tablet is first booted, SETI is the only thing running. The tablet has been running non-stop since July 2017, on SETI Prime. I quit getting Android updates for it about 3 or so years ago. It just lies on the table next to my PC running SETI. I don't do anything else with it. I have a newer ASUS tablet for other remote uses. Perhaps I'll restart the Lenovo tablet just for GP.

Now that you mention the WU thing, I do remember reading something about it. I'll keep an eye on the Lenovo after I restart it and see what happens.

Thanks, Grant and have a great day! :)

Siran

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CAPT Siran d'Vel'nahr - L L & P _\\//
Winders 11 OS? "What a piece of junk!" - L. Skywalker
"Logic is the cement of our civilization with which we ascend from chaos using reason as our guide." - T'Plana-hath

Greetings,

I'm kinda wonderin' why my RAC is dropping like a rock through water...

I'm running an old Lenovo tablet from several years ago. When it first started crunching SETI Prime, it's RAC was averaging about 76. A few days ago I saw the RAC was down to about 38. Today, it's down to 19.xx. At this rate, I won't be able to participate in the fora anymore since being able to post is governed by RAC. My main PC is not quite ready yet for Prime time; I still need to fix the CPU cooling issue. This new PC is only about 6 months old. My current AiO is not performing properly; I need to replace it. I'd hate to shorten the life of this new CPU by running it hot, even though it has internal regulation preventing overheating.

Anyway, any ideas why my RAC is dropping? :(

Have a great day! :)

Siran

Perhaps it is because your tablet hasn't contacted SETI for nearly 2 weeks.

Last Contact - 9 Oct 2018, 12:49:32 UTC

PS the 76 to 38 then to 19 was a give away as RAC roughly halves in a week when no results are being returned.

Hi Bernie,

Thanks for that. When I checked SETI on the Lenovo, I saw that it wasn't connected to WiFi. I restarted the tablet and things are hunky dory again. Last contact is today. Perhaps I should check the tablet at least once a week to make sure nothing is amiss. ;)

Thanks again and have a great day Bernie! :)

Siran

[edit]
I have just ordered a new AiO cooler from Newegg for my PC. Should get here by Monday. We'll see if I can get SETI running again. Will be new on this PC. :)
[/edit]

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CAPT Siran d'Vel'nahr - L L & P _\\//
Winders 11 OS? "What a piece of junk!" - L. Skywalker
"Logic is the cement of our civilization with which we ascend from chaos using reason as our guide." - T'Plana-hath