Originally Posted by snipernote
i managed to make these settings in this week and i find them stable so far but i cannot reach more than 1540mhz without extra voltage
would you guide me to make it better ?
hbcc is on at 16gb total dedicated memory
profile 1 for best performance so far 4447 points in superposition 1080p extreme custom fan curve and undervolted
profile 2 same under-volt settings but power limit set to -30% to keep it well under 130w usage i am using for 2017 demanding games to keep my pc cool & quite like Assassins Creed Origins at ultra high settings 1080p i am getting about 60fps average
profile 2 stock fan curve and zero fan mode on gets 3459 on 1080p extreme
for comparison , stock settings net about 186w with 4000 points
note : i will never use my vega for mining , i just like it quite !
if you can help me achieve better undervolting for now i would appreciate it
question : does flashing My Vega to 64 revoke my warranty ?
current system validated specs : https://valid.x86.fr/fpcgd4
ps : i sometimes oc my cpu to 3.8ghz @ 1.368v which gives a nice boost in performance but i am currently trying the xmp memory profile
i had some extra help today on reddit and i got the Correct V64 bios that works for my Card
now its very interesting !!!
stock vega 64 bios gave me 4253 score without under volting
i am getting better results , 4514 points in Superposition 1080pExtreme with 0% Power Limit @ 205w usage HBCC OFF
undervolted and overclocked ! hbm memory at 1100mhz , i will have to test it more but i like it more now !
you need to read this reddit reply to my questions to flash the card properly if you are interested ( use it at your own risk , my card works after flashing the right bios without issues )
thanks to kagoromo
, he is my hero for today !
i am so happy now !
edit : updated settings because it was crashing in assassins creed origin ... i had to change the clock table by the one default from my vega 56 oc bios and memory OC reduced to 1050mhz 1025mv .... now i can play the game without crashing
i benchmarked the stable settings again and i am getiing 4383 points
edit 2: Updated settings again to get the best undervolt settings ,,,, now i score 4447 points in superposition 1080p extreme
attached the latest version 4 of my settings ... gonna try power play tables now
Update : Power Play Tables used to keep the UV and Fan table with full RPM at 75c temp target , just because my pc case cannot cool my card properly at 2400RPM i had to implement a custom fan settings table between my original V56 and the flashed V64 bios
now my card runs super position benchmark with ~205 watt only scoring 4487 , zero fan mode works and wattman settings for overclocking HBM to 1050mhz only ... getting 1560mhz stable which is great ... if i feel the time to lower the speed on core clocks i can do it easily from wattman ... i think 1560/1050 combination is working great now
i tried many changes to memory speed and volt levels in PPT all made my card run worse ... higher watt consumption and memory speed always fall back to 800 or 500mhz ,,, so i left all memory settings stock as in V64 bios and overclocking in wattman gave me the best result so far ... having the best results so far
Update: thanks to some testing i discovered that my gpu needs more voltage to keep working without crashes ... updated power play tables and xml files for the new settings ( p6 1050mv , p7 1075mv , hbm 1075mv and floor voltage 950mv ) having less crashes so far especially in assassins creed odessy and the gpu is reaching 1580 - 1600mhz