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For normal overclocks up to 5GHz under water there shouldn't be a great difference. The Encore VRM's are more efficient and has an extra 6pin power connector to allow more amps to CPU, so LN2...

VRM's are similar, the Encore has new model phases from Infineon but the IR3555's are almost as capable and Prime has 16 and 2 8pin EPS's... Pushing under LN2 the Encore should have bit of advantage...

It's the most stable FOR YOU!!! :)

Your rig has a 7980xe and 64GB of a specific G.Skill kit with probably B-Die modules, plus u don't push high frequencies. Every rig is a different world.

I...

If u own an Omega, doesn't make sense to go back to first Rampage, with the same OC problems (RTL's and IOL's can't be forced as in Omega) and less capable with 8+4pin vs 8+8pin or 8phases vs...

I don't have the CocaCola formula for your rig. U read my posts??? U have to test yourself in your rig several combinations of frequency-timings-voltage overclock trying to get stability.

I right...

I, like u, suffered some problems with certain frequencies and timings, for example 4000 cl16 with 59-61-59-61 while 59-61-59-59 are rock solid. That's why I insist u have to find your frequency...

I use HCI and GSAT. I start for GSAT 2 hours and then I pass 1000% HCI, which is a good base to have a stable system. Prime95 is easier to pass, cpu even runs cooler (tried 2 hours). Then I reboot...

I agree rtls and iols autotuning is a bit odd, but I run 3800 cl15 totally stable reboot after reboot, passing hci, gsat and prime.

U have to find the proper frequency, timings and associated...

OC problems are similar in original Rampage and the Omega. But the Omega is more capable because of 2-eight pin eps and 16 phases.

This guy is not selecting proper timings for his memories, plus...

Thanks @Dimitrios1971

I ran Prime95 memory and controller test, and is easier to pass than HCI or GSAT. No problems here reboot after reboot.

There has been problems with Hynix in x299 setups, so B-Die, as I said...

The temperature of the VRM's of the Encore with the stock cooler are better than first Rampage VI for example. But VRM temps depend on the kind of loads and overclock u are applying.

More...

Cpu cores and mesh at stock??? Seems so...

50 degrees at stock in bios??? Very high temperature for cpu in this case...

1.20v for vccio and system agent for 3000MHz??? Quite high, even for...

2x8pin=more amps to cpu!!!

Have some airflow to VRM or waterblock and u are done!!!

Good or bad performance???

I tried CPU-Z and result is similar (a bit lower) to 1909...

Please post captures of your inbios memory setup to see all the values applied...

The cpu should throttle to maintain amps limits.

When u have your 18c installed, u can try 4.7GHz avx offset 0 (or higher) with Intelburn in very high and HT Off in bios, with HWInfo64 opened. U...

Nope, u can overclock your future 18c until your 8+4 eps limit amps.

Rampage VI Extreme also needs VRM watercooling to maintain high loads during an extended period of time to avoid throttling.

It ends in 12c...

I should go the B-Die route, as I said to u via PM. 3600CL16 quad non RGB gskills are a nice suit for Omega. U can also try the new Encore to see if it helps.

But if u stay with Omega and your...

@tistou77

Westlake uploaded a new 50657 microcode version 12c, maybe it can help. Or maybe CPU-Z must be updated, since 10980xe is recognised as 9980xe.

By the way, I have been testing your...

Where do u think the problem is, tistou77???

7980xe avx512 at 4.4GHz:

https://i.imgur.com/zpl1m0Y.png

Restsugavan, a mate here in the forum, said they are coming soldered.

Same according to guru3d review:

https://www.guru3d.com/articles-pages/intel-core-i9-10980xe-processor-review,24.html

@tistou77 or any other mate using MC 49 in their Rampage Bios, have u tested avx512 loads (y-cruncher for example) along with your OC's with this microcode???


EDIT: I answer myself, MC49 is...