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1070 voltage locked?

All Pascal cards are locked to a fairly low voltage. You can still adjust it upwards, but only by +40mV or so. This is an Nvidia limitation that applies across all cards. Custom cards can still have higher power limits to ensure that they don't throttle for that reason, but voltage is set in stone. I don't believe anybody's found a way to bypass it that doesn't involve a hard mod.

Both 1070s and 1080s (and 1060s) generally top out somewhere between 2050-2150MHz, depending on your luck. Maybe slightly lower if you're really unlucky, but we're only talking a few percent between the top cards and mediocre ones. Overclocking has largely been standardised with Pascal.
 
nightrider1470 said:
I read somewhere these don't overclock well?... Does 1080 overclock better?

If true about the 1070, any way to bypass the voltage restrictions?
Click to expand...

Pascal cards are locked at 1.093v, and start throttling from 23C and for every 10C they drop the clock by 12 until 52C. Afterwards 24mhz.
Hence to overclock high those cards you need to balance temps & power.
 
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If you are willing to risk it IIRC the Asus Strix maxes at around 1.3v so you could always go for a custom BIOS but you'll probably burn out the VRM's.
 
nightrider1470 said:
Thanks guys...

Off topic but can a overclocked 2500k @4.7ghz work well with 1070 SLI?
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Would perhaps be bottlenecking slightly. If I were you I would avoid 1070 SLI and go for 1 1080 though. Not all games scale well with SLI, with some not even working at all. Perhaps use the money saved from 1070 SLI to upgrade CPU + Motherboard + Ram and get a 1080 instead. Although CPU progress hasn't matched GPU's in recent years, some gains have definitely been made. Some games gain 30+fps between the newest unlocked Skylake CPU's and the 2500k.

https://www.youtube.com/watch?v=WZ_5p9wd2dk

https://www.youtube.com/watch?v=frNjT5R5XI4
 
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nightrider1470 said:
Thanks guys...

Off topic but can a overclocked 2500k @4.7ghz work well with 1070 SLI?
Click to expand...

Bottleneck badly as I quite often have my GPU usage drop in BF 1, I guess I average around 80%, I know BF 1 is now kind of a benchmark for the CPU but other games are becoming close to maxing it out and I feel the need to upgrade. Like one of the other posters said a 1080 would be the much better option and then think about the CPU upgrade depending on what you think after you get it.
 
I'm yet to see any game utilise the full 2k core on my overclocked 1070FE card apart from running futuremark.

As such anything above this may not even be used, so maybe voltage will not even be an issue?
 
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