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Buy 8700K Now Or Wait ?

Dicehunter said:
Lotto win :p

Friend of mine REALLY won the lottery, He got 1 stable at 5.1GHz with 1.27v, Lucky git.
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Fantastic, beautiful rig. Built mine yesterday and it's far less visually arresting as a system overall (old HAF 932 case and Thermalright HSF). It's a shame as the ASRock Z370 Extreme 4 is aathingnof beauty.

Still, I'm optimistic as to the quality of the chip as at load it's only hitting 62-65°c in Prime95 at default clocks. Even on air that bodes well for an OC (this Archon SB-E X2 is a beast for a single tower cooler, along with my case the oldest surviving part of my PC).
 
ScoTTyBEEE said:
Every time I looked at upgrading to Ryzen the poor mATX boards put me off too. I want a decent board from the Asus TUF range and thus far haven't seen one.
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There is a B350 Asus TUF. If we were still 6 months away from 4xx I'd probably get one. Asrock Pro4 mATX also has a great layout for 1-gpu systems, imo, but again B350 and B450 is nowhere in sight...
 
eddiew said:
There are two that I know of... one is by Biostar and the internet suggests avoiding it due to shoddy bios. The Gigabyte option has the same layout as their B350, and it stuffs the m.2 behind the GPU where it gets super hot :(

Not really enough to make me feel like X470 will have a better selection, given that there are zero at this present time.
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There are two Gigabyte X370 mATX boards AFAIK:

https://www.gigabyte.com/Motherboard/GA-AX370M-DS3H-rev-1x#kf
https://www.gigabyte.com/Motherboard/GA-AX370M-Gaming-3-rev-1x#kf
 
eddiew said:
I'll probably get a ticket soon, but I fully expect to lose and get a 4.7 :p Which is still an upgrade :/
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That's nothing to be sniffed at to be fair, I'm running mine at 4.5 on all cores and still it maxes the 1080ti in the games I play, I'll clock it higher if there is a need but for my current needs (gaming) it's a beast!
 
CAT-THE-FIFTH said:
There are two Gigabyte X370 mATX boards AFAIK:

https://www.gigabyte.com/Motherboard/GA-AX370M-DS3H-rev-1x#kf
https://www.gigabyte.com/Motherboard/GA-AX370M-Gaming-3-rev-1x#kf
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I stand corrected :)

Unfortunately for me, what I want is an m.2, a GPU, and a Soundblaster Z - the DS3 means the SB-Z would block the graphics airflow, and the Gaming 3 puts the m.2 directly behind the GPU heatsink.

For single-GPU systems, Asrock have the best layout, imo: https://www.asrock.com/mb/AMD/AB350M Pro4/index.asp Places the 1x PCI-E (soundcard/WIFI) slot and m.2 slot above the GPU.

But I guess most X370/X470 folks specifically want dual GPUs...
 
eddiew said:
I stand corrected :)

Unfortunately for me, what I want is an m.2, a GPU, and a Soundblaster Z - the DS3 means the SB-Z would block the graphics airflow, and the Gaming 3 puts the m.2 directly behind the GPU heatsink.

For single-GPU systems, Asrock have the best layout, imo: https://www.asrock.com/mb/AMD/AB350M Pro4/index.asp Places the 1x PCI-E (soundcard/WIFI) slot and m.2 slot above the GPU.

But I guess most X370/X470 folks specifically want dual GPUs...
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The M2 slot is above the 1X PCI-E slot,and wouldn't the soundcard work in the top full length slot??
 
CAT-THE-FIFTH said:
The M2 slot is above the 1X PCI-E slot,and wouldn't the soundcard work in the top full length slot??
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Tbh... I hadn't considered that. AFAIK in B350 boards, only the top slot can run 16x, but yeah maybe in X370 the bottom slot is equally valid. One to read up on, cheers :)

Souncard only needs a short 1x slot, but certainly can plug into a full length if that makes most sense.
 
prjwebb said:
Very nice. I'm currently 4,8ghz 1.25v. Haven't tried any high mhz or lower volts yet. Just trying to get all my software reinstalled.
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Very good. I may have a lemon, need 1.3v to get 4.8GHz. Temps are good and performance great. What settings have you adjusted? I've raised LLC, CPU voltage and multiplier only, anything else that may help? Raise CPU cache speed is this equivalent to uncore on the older Intel chips?
 
Kirby Wurm said:
Very good. I may have a lemon, need 1.3v to get 4.8GHz. Temps are good and performance great. What settings have you adjusted? I've raised LLC, CPU voltage and multiplier only, anything else that may help? Raise CPU cache speed is this equivalent to uncore on the older Intel chips?
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Yeah my cache/uncore is x44. Multiplier is all core x48. AVX offset is 3. vcore 1.25v, LLC is 1 which is highest on the Asrock boards. I think I put the VCCIO and VCCSA volts to 1.1 also.
 
prjwebb said:
Yeah my cache/uncore is x44. Multiplier is all core x48. AVX offset is 3. vcore 1.25v, LLC is 1 which is highest on the Asrock boards. I think I put the VCCIO and VCCSA volts to 1.1 also.
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I see! I'm trying 4.9 again at 1.35v having raised cache to 42, keeping LLC at 2 and AVX offset at 3. Stable for a lot longer so far and where before it was drawing 1.309+ now in P95 it's not gone above 1.28 (according to HWinfo, CPUz shows it slightly lower). Also this time around the AIDA64 stress test didn't push the cores beyonb 4.6GHz for some reason? Hopefully this means I can drop the voltage a bit, certainly should be able to with 4.8GHz.

Aha! I guess AIDA must use AVX, should have been obvious.
 
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Kirby Wurm said:
I see! I'm trying 4.9 again at 1.35v having raised cache to 42, keeping LLC at 2 and AVX offset at 3. Stable for a lot longer so far and where before it was drawing 1.309+ now in P95 it's not gone above 1.28 (according to HWinfo, CPUz shows it slightly lower). Also this time around the AIDA64 stress test didn't push the cores beyonb 4.6GHz for some reason? Hopefully this means I can drop the voltage a bit, certainly should be able to with 4.8GHz.

Aha! I guess AIDA must use AVX, should have been obvious.
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Yeah Aida seems to go with the AVX limit so you're only getting the 46x.
I ran Aida for a while and the Realbench stress test is a good way of getting the full multiplier to test stability.
 
prjwebb said:
Yeah Aida seems to go with the AVX limit so you're only getting the 46x.
I ran Aida for a while and the Realbench stress test is a good way of getting the full multiplier to test stability.
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I haven't tried Realbench, will give it a go. I'm still using the pre-AVX Prime95. What I'm finding at the moment is that I have to go to 1.36v to get any longer term stability at 4.9GHz with a LLC of 2 or higher. It only ever reaches 1.284 however. With LLC at 1 I can drop to 1.3v and then it's fully stable (registers between 1.296 and 1.312) but runs accordingly hotter and the voltage doesn't drop. There seems to be a big gap between the set fixed voltage and how high LLC will go. Is there something else causing this? I've tried cache at 42 and 44 and have set both VVCIO and VCCSA to 1.1v.

[Edit] Just noticed my RAM wasn't running at XMP speeds and it won't boot with that enabled. Damn! Gonna swap the sticks and see if that helps if not a return and replacement it is. Hopefully that's a factor that's been impacting my OC.

[2ND Edit] Nope, I'm being a noob and put the RAM in the wrong slots. Even with 4 years since my last build that's embarrassing.
 
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Awaiting a Corsair H115i as I'm not confident enough to delid and seem to be temperature restricted. Dropping to 4.8GHz I'm stable at 1.28v (always LLC1) and testing at 1.27v now.

Just journalling away here but yeah, I didn't wait and am super happy with the fact I just went for it. The longer I waited the further my last system would devalue where ATM I can get a decent return on those components.
 
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JediFragger said:
XMP enabled at that? Mine needs 1.36v w/XMP and is delided so it must be pretty trash :o

I suppose I should be grateful it does it!! (and it is on a D15 with a single silent fan, so no complaints from me).
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I think you're better off without xmp. It juices a bunch of voltages way higher than needed. Just put ram timings in manually.
 
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