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[Official] RYZEN 7 1800X | 1700X |1700 Owners Club & 4GHz+ Club - Page 628

post #6271 of 11654
Quote:
Originally Posted by Mad Pistol View Post

Has anyone made a Ryzen gaming thread? Seriously, we need a thread strictly devoted to testing game after game after game with the Ryzen 7/5 against Intel's i7 CPUs, just so we can possibly create a better story about what Ryzen is capable of and how it evolves overtime.

What got me thinking is this:
Warning: Spoiler! (Click to show)



Result for Valley and a GTX 1070 SLI/Ryzen 1800X @ 1080P: 92.6 FPS

Yet, my system, with a stock i7 4790k and GTX 1070 SLI, same settings, gets this.
Warning: Spoiler! (Click to show)

There is NO WAY that my i7 4790k @ stock is 40% faster in Valley when running an SLI setup. I just cannot believe that is true.

I had personally been doing some similar testing through 3DMark FS.

At stock my combined score with a GTX 1070 and R7 1700 with ddr4 2133 was 6155

With the GTX 1070 still at stock and the 1700 @ 3.9 w ddr4 3200, the combined score was 7547. Just by overclocking the cpu and memory, I got a 23% increase in performance, without touching the GPU!

I also observed some very odd behavior which only presents itself during the 1080p FS benchmarks. My R7 is definitely creating a bottleneck during the combined test, but the weird thing is GPU usage will flux between 100-92% in one run, then several runs later it can drop randomly to the low 70% usage. Might this be to CCX communication/cache misses and having to refectch data? On the higher res side of things, both the 1440p and 2k tests we're consistently pegged at 99-10% GPU usage for the combined test.
Edited by rv8000 - 3/26/17 at 7:40pm
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post #6272 of 11654
Quote:
Originally Posted by chew* View Post

the
The formula for vtt (dram termination) is 50% of ddr voltage.

.600 is for 1.2vddr .650 is for 1.3vddr

.675 is for 1.35 vddr.

Auto it will climb with vddr the way it is supposed to in sync.

So basically you running it @ .650 if your running @ 1.35 is out of sync.
Thanks for confirming my suspicion. I had a hard time finding the definition of VTT DDR but surmised that it is half the DDR voltage. So even though you may set a DOCP setting for 3200 memory which increases the Vdimm voltage to spec (1.35V), it leaves VTT DDR back at the default 0.600V for Vdimm voltage of 1.2V for 2133 memory. I could not get 3200 to stick until I bumped VTT DDR. I will revisit it and put it to 0.675V as you suggest for proper impedance termination.
post #6273 of 11654
At auto I assure you if you set DOCP and it raises vddr although setting says .600 I assure you its at .675.

I just like manually setting all my voltages and since I know the formula I follow it.
post #6274 of 11654
Quote:
Originally Posted by Scotty99 View Post

Thats what i thought too, his comment was confusing to me. I have seen people say increasing SoC voltage got their ram to boot, but never vtt.
I got the tip from Woomack over on Overclockers forum to bump VTT DDR. After fighting with DRAM and SoC voltages for days and never getting any higher than 2933, I instantly got to 3200 with the VTT DDR increase and everything else on Auto. Whatever the reason, it worked. I am stable finally.
post #6275 of 11654
Quote:
Originally Posted by chew* View Post

At auto I assure you if you set DOCP and it raises vddr although setting says .600 I assure you its at .675.

I just like manually setting all my voltages and since I know the formula I follow it.
How would I determine that or know that? It is only visible in the BIOS. Have never seen VTT DDR voltage reported in any monitoring program so far.
post #6276 of 11654
I would also love to know how to check VTT. I just tried bumping mine to .680 (couldnt set .675) still no boot on this ****ty ass memory lol.

No one buy gskill 16 18 18 38 3200 memory.

Ive tried cas 18 2666 **** still wont boot, it should be sold as 2400 memory not 3200....
Edited by Scotty99 - 3/26/17 at 7:54pm
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post #6277 of 11654
It's probably the board, not the memory. I would wait for a BIOS update.
post #6278 of 11654
Quote:
Originally Posted by Keith Myers View Post

How would I determine that or know that? It is only visible in the BIOS. Have never seen VTT DDR voltage reported in any monitoring program so far.

post #6279 of 11654
I have HWinfo open right now, there is no DDR VTT.
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post #6280 of 11654
Quote:
Originally Posted by bardacuda View Post

It's probably the board, not the memory. I would wait for a BIOS update.

Nope, ive seen people getting 2933 on this board, at least 2666 should be possible i cant even hit that.

Ill find out on tuesday i guess.
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