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Its very fast and will handle everything you throw at it, still not quite fast enough for 60fps 4k ultra but its nearly there. At stock speeds temps are very good and its extremely quiet.
Overclocking for daily use is where this card starts to lose its shine, mid-high overclocks fail stress tests when it hits temps below its heat target, nVidia's OC scanner also does not deliver stable clocks on stress tests even though it should do. Running 100% fans or external cooling is stable all the way to the power limit but its not suitable for daily use.
Part of this could be just due to poor silicon for my particular chip but I think in all cases its better to buy a cheaper reference design and watercool it if you want to push performance.
What numbers do you get with Superposition benchmark 1080p extreme? Clock, temp and results?
CPU : 7700K @ 4.8ghz, ambient temp 17c
Stock OC profile (+15 core) : 8856, max 62c, 1890mhz
Stable OC (+120 core) : 9506, max 67c, 1995mhz
Questionable stability OC (+190 core, 70% fan) : 9806, max 58c, 2170mhz
The main issue for overclocking is not due to the cooling but the power limitation on the card (forced by nvidia). If you fill brave enough you can try a shunt mod but it is risky and void the guarantee.
I am aware of this limitation. How far can you push the voltage mV, without causing troubles? I was able to get 9760 pkts with just increasing Mhz and temp/power limit. Now this figure is left to modify.
The voltage slider is supposed to be placebo more than anything, you will need to flash a higher power limit bios to get anything higher. However if the card is already doing 2100+mhz ish you cant really push further without special cooling.
To follow up a bit with my card, pretty much all the issues I was having with the card went away after I fitted a waterblock, from my pics its looks like the original TIM did not cover a certain spot on the die and it was causing that spot to overheat when overlocked but this did not reflect in the temps. I probably should have RMAed it but due to the lack of availability and the fact it seemed to be ok at stock I didn't bother.
Re-running superposition 1080p extreme with my std game OC +158 Core, +700 mem, +25 power target : 10028 , max temp 41c (watercooled, did not pre-warm liquid), very stable 2150mhz.
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