Hitting 3070 power limits ?

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Kenrou

Member
Joined
Aug 14, 2014
Just de-shrouded my 3070 (previously OC'ed to ~2040mhz +100/+1200 @1.081mv auto) and replaced it with 2x Noctua NF-A12x25 PWM chromax.black.swap which made my temps go down to a very nice 64c core / 75c hotspot, and made it nearly silent. Great success :attn:

So, of course, I had to start tinkering further with my OC (this time tried the curve method) and got it to ~2130mhz @1.075mv which gives a nice FPS bump in Cyberpunk (1440p ultra DLSS quality) but much worse results in any benchmarks I tried no matter temps. Is this what you call hitting the power wall ? Can only go to ~250w, fairly sure PNY uses the FE standard PCB. Would a BIOS swap to a 270w Asus help, or is there something else cutting me off here ?
 
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EarthDog

Gulper Nozzle Co-Owner
 
 
 
Joined
Dec 15, 2008
Location
Buckeyes!
I'd guess yes... but you can tell if you have MSI AB or your monitoring software of choice running while you run the benchmark. After it's done, see if the charts show it's hitting the power limit. That said, it may simply be your 3800x not pushing it in w/e benchmark. Most benchmarks are low res and CPU limited.

If you're hitting the power limit, a higher one would help... but I don't imagine by much. It's honestly a risk I wouldn't take. Thankfully, you're seeing performance where it matters, in a game...
 

Kenrou

Member
Joined
Aug 14, 2014
Was thinking of getting the new 5800x w/3D cache and then waiting for the last (or best 8c/16t, whichever) to come out of AM5 to upgrade. Will try some more tweaking with AB and will post when I have anything extra (y)
 

Kenrou

Member
Joined
Aug 14, 2014
Ok, trying to put my thoughts in coherent readable form so bear with me... did all tests with Heaven 1440p max quality/tessellation/msaa running in the background while tweaking afterburner and checking HWinfo64...

@stock ⇾ ~1900mhz 1.031mv-1.081mv ~220w
@stock + 13% power limit ⇾ ~1950mhz 0.175v-1.081v ~250w
@stock + 100 core voltage + 13% power limit ⇾ ~1950mhz 0.175v-1.100v ~250w
@regular OC ⇾ +100/+1200 +13%power limit ⇾ ~2025mhz 1.056mv-1.081mv ~250w
@curve OC ⇾ +1200 memory +13% power limit ⇾ 2025mhz 1.025v ~240w

I would seem to little old n00b me that this would be the wall, power and silicone as well, but when I load I game like Cyberpunk 2077 for example with the regular OC it will ramp up to 2070mhz/2085mhz while staying below ~200w the whole time, which I further OC to ~2130mhz/2145mhz stable (~2h gaming session) through trial and error. But like I said above, as soon as I try this in a benchmark, it either straight out crashes or lowers clocks to 1700mhz/1900mhz while hitting the power wall hard. So... Silicone is willing, but the ~250w I'm allotted is way too low for this 3070 to stretch its legs properly ? Assume I would need a vBIOS that gave me ~300w or a shunt mod to get the most out of it ?