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[Official] RYZEN 7 1800X | 1700X |1700 Owners Club & 4GHz+ Club - Page 621

post #6201 of 11486
hello,

Considering Zen 1800X or 6900K with 64Gb on 4 sticks (G.Skill Trident).

How high could I go with the 1800X ? while a bit less good than the 6900K, it is also massively cheaper in terms of platform costs...
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post #6202 of 11486
Quote:
Originally Posted by rv8000 View Post

Do yourself a favor and buy a cheap thermal gun. 1.46v is going to be brutal on the Tomahawks VRM, I wouldn't be surprised if all the throttling is being caused by the VRMS hitting max temps or exceeding efficient tolerance for the VRM.

It also doesn't seem like HWinfo has a reading for any of your VRM temps. If I were you, I wouldn't push past 1.35-1.375v until I have a good idea of how hot the VRM's are on your board.

edit*

The temperature offset isn't a rumor, it was officially stated by AMD for the 1700X and 1800X due to cooling policies. The temperature being reported will also vary from vendor to vendor, and bios to bios currently.


I don't run 4GHz 24/7, it was only to prove to someone else that the chip does not throttle at 75c like he was telling others and I needed a lot of voltage to push past 75c on my NH-D15.

Don't worry about my VRM's I'm very aware of what they are and how they work, all my post is pertaining to is the actual temperature limit of Ryzen, not anything about the offset or what voltage it can handle or how hot my MSI VRM may or may not be.

The rumor, if you re-read my post is that there is 75c throttle limit. I'm not arguing the fact that there is an offset, which has been clearly stated by AMD.
Edited by Cannon19932006 - 3/26/17 at 2:49pm
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post #6203 of 11486
Quote:
Originally Posted by Jubijub View Post

hello,

Considering Zen 1800X or 6900K with 64Gb on 4 sticks (G.Skill Trident).

How high could I go with the 1800X ? while a bit less good than the 6900K, it is also massively cheaper in terms of platform costs...

IMO the best way to do ryzen is buy a 1700 and a b350 motherboard, set overclock to 3800 and volts to 1.25. This is doable with stock cooler and will beat the 1800x on multithreaded tasks.
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post #6204 of 11486
Trying 4GHz, pretty stable so far in everything I throwed at it.

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post #6205 of 11486
Quote:
Originally Posted by Scotty99 View Post

Quote:
Originally Posted by Jubijub View Post

hello,

Considering Zen 1800X or 6900K with 64Gb on 4 sticks (G.Skill Trident).

How high could I go with the 1800X ? while a bit less good than the 6900K, it is also massively cheaper in terms of platform costs...

IMO the best way to do ryzen is buy a 1700 and a b350 motherboard, set overclock to 3800 and volts to 1.25. This is doable with stock cooler and will beat the 1800x on multithreaded tasks.

If he's looking at a 6900K and 64GB of RAM he probably needs to do some professional workloads. I wouldn't cheap out on a b350 board...def go X370. For the chip though I wouldn't expect to get any higher than 4GHz whether you get an 1800X or a 1700. You might be able to get 100-200 MHz higher on an 1800X but whether that is worth it for you is a personal choice.
post #6206 of 11486
Quote:
Originally Posted by Scotty99 View Post

IMO the best way to do ryzen is buy a 1700 and a b350 motherboard, set overclock to 3800 and volts to 1.25. This is doable with stock cooler and will beat the 1800x on multithreaded tasks.

I currently own a 4770K@4.0 that out performs a 1800x at stock on game / anything requiring high IPC.
I am also considering a 6900K that can also reach 4.0 with no problem
So 1800x stock perf is not sufficient in that context, and I want to know how much I can compensate that
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post #6207 of 11486
Quote:
Originally Posted by Dimaggio1103 View Post

Thinking of going Ryzen instead of a new Kaby lake build. Ryzen will help with compiling for sure when I code, but worried about the SMT and memory bugs and gaming. Any suggestions or idea if they will be able to fix some of these issues?

Memory speeds are probably going to be improved first when new agesa is used in bios updates on a vendor by vendor basis. That should be coming out soonish. AMD says may which makes me think larger updates to microcode are still ahead. SMT is probably going to be up to developer side of things which means some will, some won't. Not every motherboard will support turning off SMT.
post #6208 of 11486
Quote:
Originally Posted by Jubijub View Post

I currently own a 4770K@4.0 that out performs a 1800x at stock on game / anything requiring high IPC.
I am also considering a 6900K that can also reach 4.0 with no problem
So 1800x stock perf is not sufficient in that context, and I want to know how much I can compensate that

Buy the 6900k. you will be happier.
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post #6209 of 11486
Quote:
Originally Posted by Jubijub View Post

I currently own a 4770K@4.0 that out performs a 1800x at stock on game / anything requiring high IPC.
I am also considering a 6900K that can also reach 4.0 with no problem
So 1800x stock perf is not sufficient in that context, and I want to know how much I can compensate that

1800X should be able to reach 4.0GHz as long as you have a motherboard with decent VRMs and a decent cooler. Many 1700s should be able to do this as well.
As far as IPC it's about the same as Broadwell AFAIK as long as you can run the memory at 3200MHz or so, which you can do now with certain sticks and boards, and probably with most 3200-rated sticks on most boards come May. Broadwell can probably clock a little higher so if that is worth an extra $500-$800 for the platform then go for Broadwell. For 99.9% of people the Broadwell chips are obsolete. You can make a case for Skylake or Kaby Lake on IPC but would be hard pressed to make one for Broadwell-E.
post #6210 of 11486
Ok so for @gupsterg and anyone else keeping up, i did a 30min realbench, still 0 WHEA errors.

DMM still shows 1.268 BUT hwinfo64 shows VDDCR_CPU at an average of 1.200v so not sure which one to believe at this point. If hwinfo64 is correct I'm doing 3.8ghz at 1.2v fully stable. My offset is set to -.100mv i believe (id have to go back to double check but pretty sure thats where i left it could be wrong though)

Tctl only reach 48°C (the cpu temp sensor was stuck at 40°C) and water temp was 30°C throughout the whole test. I have a 360 in push/pull and a 240 in push with all fans around 1100rpm (quiet noctuas).

Would love to try for 4.0ghz but right now i have no idea which voltage to believe in haha.

Pretty happy with it so far though seems to be well below what some people are seeing. I did notice that playing Rust balanced mode works much better as it only uses half the ccx, the other half pretty much just sits at 0%.
    
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