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Quote from: doktor83 on December 01, 2021, 01:05:21 PM

V0.8.5
+ Performance increase on 'heavyhash' algorithm for VEGA/RDNA/RDNA2 GPU's
+ Fixed 'verushash' algorithm 'invalid solution version' error

Heavyhash hashrate:

RX 6900XT ~1070Mh/s @ ~240W PPT
RX VEGA 64 ~300Mh/s @ ~150W PPT

Can you share your CC and mV ?

RX 6900XT CC: ~2130MHz ~880mV (HWiNFO64)
RX VEGA64 CC: ~1200Mhz ~825mV (HWiNFO64)

Vega 64 is not tuned, only PPT adjusted really, RX 6900XT has has some voltage adjustments to hit it's efficiency in both AMD drivers & MPT but not maximized for potential.
Hotspot is around 100C on the 6900XT and 90C on the Vega 64.
Hotspot is a issue, can't run more wattage through the cards that much more. (insufficient cooling setup)

6900xt is really nice, but can't you go lower than 880mv ?

I can go lower to around 870mv but with risk of instabilities if you do other stuff than only have it mining on the PC, performance doesn't increase though really for the effort.
You need to increase wattage for more performance.