[Various]Intel Xeon W-3175X Reviewed - Page 8 - Overclock.net - An Overclocking Community
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[Various]Intel Xeon W-3175X Reviewed

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post #71 of 87 (permalink) Old 02-06-2019, 08:02 PM
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Quote: Originally Posted by Baasha View Post
My PC is in another room - my game room is cool and quiet so IDGAF about how loud the fans have to be - as long as it keeps the CPU cool that's what matters. If I have to stick 3x 120mm Deltas @ 100% so be it but as long as I can get 4.8Ghz on all cores and the thing wont self-destruct, it's a go for me.

Either way, I want this CPU but I can't find it anywhere! And the ROG Dominus Extreme is also nowhere to be found except that shadyBLT site.
I'm excited to see the results!

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post #72 of 87 (permalink) Old 02-07-2019, 03:38 AM
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"The biggest limiter to performance was thermals, as stock TjMax is 85 degrees Celsius and the stock interface is paste (between the die and IHS). Using the ASUS Dominus BIOS, we increased maximum core temperature to 90 degrees, allowing the 4.5GHz OC to run just below throttle point. A better cooler would be strongly advised, as we were operating at an intolerable 70dBA (at 20”) with the Asetek cooler, which is simply unsustainable beyond some benchmarking."

That's actually not bad for a non-delidded Skylake-based chip. 4.5 GHz @ 1.17V with temps under 90C on a CLC. My 7980XE does 4.3 1.10V at the same temps on a full custom loop. They must have improved the thermal poop, lol

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post #73 of 87 (permalink) Old 02-07-2019, 09:21 AM
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Massive die, lower thermal density.

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post #74 of 87 (permalink) Old 02-07-2019, 09:35 AM
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Quote: Originally Posted by magnek View Post
Massive die, lower thermal density.
Denser thermals actually.

44.5% larger die for +55.6% cores, +50% memory controllers, +55.6% cache.

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post #75 of 87 (permalink) Old 02-08-2019, 12:52 AM
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4.8 GHz? On a 28-core? On AIO? No way. Try Prime on it..

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post #76 of 87 (permalink) Old 02-09-2019, 11:18 AM
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Tom's Hardware did 4.6Ghz with the EKWB AIO cooler.

I'm wondering if there are phase-change CPU cooling solutions available - similar to what LD Cooling did many years ago like below:





That is what's needed for this CPU - phase change (better than liquid cooling but not impractical like LN2) cooling to get ~ 5.0Ghz on all cores and keep this thing cool.
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post #77 of 87 (permalink) Old 02-09-2019, 11:52 AM
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Quote: Originally Posted by Baasha View Post
Tom's Hardware did 4.6Ghz with the EKWB AIO cooler.

I'm wondering if there are phase-change CPU cooling solutions available - similar to what LD Cooling did many years ago like below:


That is what's needed for this CPU - phase change (better than liquid cooling but not impractical like LN2) cooling to get ~ 5.0Ghz on all cores and keep this thing cool.
The phase change units do well with 4-6 core CPUs. For example the LD unit can pull down to -30C at 300W. But at the 1000W+ power use of these 18-28 core CPUs (at the clocks achievable with subambient cooling) the temperatures will increase. Still usable, but won't be very cold compared to a chiller or similar.

I'm looking at various chiller setups for my test bench. Nice thing is I can customize them in terms of chiller capacity (1/2 to 2hp), cooling fluid, etc. Plus you can use them for GPUs. Works with compatible off the shelf water cooling parts, but basically takes the place of the radiator. You could achieve temps similar to a single stage phase change with the right setup.

The phase change solution is probably more elegant, though. The LD PC-V10 cases are so nice looking (I'd know, I own a LD PC-V7 lol). They are still available.

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post #78 of 87 (permalink) Old 02-09-2019, 12:13 PM
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Quote: Originally Posted by Hydroplane View Post
The phase change units do well with 4-6 core CPUs. For example the LD unit can pull down to -30C at 300W. But at the 1000W+ power use of these 18-28 core CPUs (at the clocks achievable with subambient cooling) the temperatures will increase. Still usable, but won't be very cold compared to a chiller or similar.

I'm looking at various chiller setups for my test bench. Nice thing is I can customize them in terms of chiller capacity (1/2 to 2hp), cooling fluid, etc. Plus you can use them for GPUs. Works with compatible off the shelf water cooling parts, but basically takes the place of the radiator. You could achieve temps similar to a single stage phase change with the right setup.

The phase change solution is probably more elegant, though. The LD PC-V10 cases are so nice looking (I'd know, I own a LD PC-V7 lol). They are still available.

^^ This. I have a powerful phase cooler which can bring 4 / 6 and sometimes even 8 cores down to -30 on loads, -45c idle. The problem with single phase coolers (leaving out dual or triple phase monsters which have watt, size and noise issues for consumer applications) is that they cannot react fast enough on heavy-core count CPUs (8c and up) when load suddenly increases, such as a Cinebench run...30 sec later, they may get there, but in the meantime...things crashed.

There are some HD chillers out there which do around 800w, and others like 'Eiszeit' from Alphacool with around 1500w...for a W3175x, and may be a GPU or two, not a bad start...
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post #79 of 87 (permalink) Old 02-09-2019, 01:16 PM
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Quote: Originally Posted by Hydroplane View Post
The phase change units do well with 4-6 core CPUs. For example the LD unit can pull down to -30C at 300W. But at the 1000W+ power use of these 18-28 core CPUs (at the clocks achievable with subambient cooling) the temperatures will increase. Still usable, but won't be very cold compared to a chiller or similar.

I'm looking at various chiller setups for my test bench. Nice thing is I can customize them in terms of chiller capacity (1/2 to 2hp), cooling fluid, etc. Plus you can use them for GPUs. Works with compatible off the shelf water cooling parts, but basically takes the place of the radiator. You could achieve temps similar to a single stage phase change with the right setup.

The phase change solution is probably more elegant, though. The LD PC-V10 cases are so nice looking (I'd know, I own a LD PC-V7 lol). They are still available.
Hmm.. good point. Yea, I was hoping LD would create a new phase-change cooler for this CPU but I'm not sure they're even creating new stuff now. Yes, their cases are amazing. Was really close to getting one before going with a Mountain Mods case for my 4x 580 Classified setup back in the day.



Quote: Originally Posted by J7SC View Post
^^ This. I have a powerful phase cooler which can bring 4 / 6 and sometimes even 8 cores down to -30 on loads, -45c idle. The problem with single phase coolers (leaving out dual or triple phase monsters which have watt, size and noise issues for consumer applications) is that they cannot react fast enough on heavy-core count CPUs (8c and up) when load suddenly increases, such as a Cinebench run...30 sec later, they may get there, but in the meantime...things crashed.

There are some HD chillers out there which do around 800w, and others like 'Eiszeit' from Alphacool with around 1500w...for a W3175x, and may be a GPU or two, not a bad start...
Never heard of them - is it this one:





Where do you get the bracket/piping (aka setup) for the 3175-X CPU?

Since my rig is in another room, I don't care if it's somewhat loud and takes up space - if it can work easily and work well, I would like to get it. Although it seems like NewEgg doesn't have it.
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post #80 of 87 (permalink) Old 02-09-2019, 02:18 PM
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Alphacool is quite big in PC (and other industrial) cooling and they have several related threads at OCN. Here's the direct link to the 1500w chiller Shipping costs may be quite significant, given size and weight
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