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AMD THREADRIPPER VS INTEL SKYLAKE X

just saw this on another forum, a quote from der8auer on motherboard Vrms

"As far as I can see it's more about the heatsinks than the phasecount. Fun fact: All the boards I've tested so far stayed cooler without their heatsinks and some airflow than with their heatsinks on. Unfortunately the manufacturers do more care about design than efficiency and that's a huge mistake. The ASRock board you've mentioned [ASRock X299 K6 Gaming] should reach it's limits pretty soon [The guy want's to overclock to 4.5GHz] . The single 8 Pin connector also is a reason for that. I'd generally recommend you to go with a board with more than a single 8 Pin power connector if you're interested in overclocking."

"I've just tested the Gigabyte X299 Aorus Gaming 3 and at 4.3 GHz with 1.15V I already measured 105°C at the backside of the voltage regulators... You can guess what the temperature will be with 4.5 GHz at 1.25V or even higher overclocking."

so, it seems like these fancy vrm 'heatsinks" are actually choking them pretty badly, in the case if the gigabyte reaching 100c + just in the backside of the board, seems like the rampage and a few others have been delayed so asus and other vendors can sort out the issue.

apparently the apex he was using had issues with the vrms overheating due to no thermal pads between the vrms and heatsink, which asus is now apparently adding.

seriously though? having covers/crap over the vrms that massively increased temps and not even using half decent thermal pads?

I swear every year motherboard vendor quality goes down and down.

 
zornyan said:
seriously though? having covers/crap over the vrms that massively increased temps and not even using half decent thermal pads?

I swear every year motherboard vendor quality goes down and down.
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People are more interested in having shiny multicoloured lights and cool looking stuff, than a decent product these days.
 
Emlyn_Dewar said:
People are more interested in having shiny multicoloured lights and cool looking stuff, than a decent product these days.
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sadly seems true, looking through it seems a few specific boards suffer with horrendous vrm temps which all perform better without the heatsink...i mean I get people want them to look nice, but having a heatsink increase temps? that's just poor design.

the msi boards are looking tempting now, they seem to have more vrms (of the same quality) which should help with temps, and I think their heatsinks are rated slightly better at actually cooling the damm things.
 
zornyan said:
just saw this on another forum, a quote from der8auer on motherboard Vrms
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Kind of bad if the thermal interface material is that bad - there is no way heatsinks themselves should cause poorer performance though they might require more airflow depending on design.
 
Rroff said:
Kind of bad if the thermal interface material is that bad - there is no way heatsinks themselves should cause poorer performance though they might require more airflow depending on design.
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he said gigabytes seem the worst, which is kind of suprising. but it explains the delayed launch of the rampage models etc.
 
And i said anyone who thought they would get off the shelf 5Ghz 10 Core Skylake-X CPU's was utterly deluded, i even said 4.6Ghz would be more like it on the most expensive cooling, in the real world even that is a big ask.
I was completely ridiculed for it.

The 7700K is already using a huge amount of power and that's only a 4 core chip, its using the same or more power than AMD's 8 core... to expect a 10 core chip of the same Intel Skylake architecture to clock like a 7700K is madness, of course people are seeing temperatures in excess of 100c at 4.5 and 4.6Ghz on £150 coolers, you need a thermo-nuclear reactors cooler to tame these Intel Bulldozer's

Of course this is the Intel religion, as with all religions all common sense goes out of the window, its all about miracles....

Expect 4.4Ghz to 4.6Ghz on a good one with a top end cooler, in the real world.

Don't take everything der8auer said as a given fact, what he didn't tell you is the chip he used was binned out an already binned crate sent by Intel, he's a marketing arm of Intel, why do you think Intel keep him supplied with these things?
 
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zornyan said:
something odd I noticed whilst browsing some motherboard reviews

at 4.7ghz 7820x 215 cinebench score (single thread)

http://www.reviewstudio.net/2484-asus-rog-strix-x299-e-gaming-review-hedt-to-a-new-level/performance

at 4.8ghz skylake-s/kabylake score 206

that 100mhz difference is worth 3 points, which means at 4.8ghz the 7820x should do 218.

so that's a 10% difference in single threaded performance?
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The difference between 206 and 218 is 6%, that's not far outside the remit of error margins, different boards with different memory on different runs can easily account for that difference :)
 
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