cMP4.1/5.1 dual xeon5680, evo plus 1TB, Crusial NVME P2 2TB, UCB3 pci card, RadeonPro W5700. I have been using OC for almost a year and a half, starting with version 0.5.8. my experience shows that the best CPU performance was on Mojave without open core, the weakest operating system was Catalina - and the CPU and GPU worked worse than on Mojave, although Catalina allowed to use Radeon Navi, but starting with version 0.7.0 and BigSur update The CPU began to work much better, almost like in Mojave, but the GPUs began to show significant performance gains. Gikbench5 Metal score on Catalina for the Radeon Pro W5700 was 60,000-61000, when switching to Big Sur Metal score became 63000, and with version 0.7.2 and BigSur 11.3, the drivers for Navi improved and the score became 64000, but with upgrade to Monterey with OC version 7.5 or 7.6 the score became 65000, today I update OC 7.7 and the geekbench5 metal score became 68000. BlackmagicRAW in BigSur 11.2 was 980, in BigSur 11.6 was 2000, for Monterey with OC 0.7.7 2032. But LuxMark BigSur and Monterey are about the same 2880 and 2910. Heaven benchmark with ultra settings for RadeonProW5700 -2205- for Monterey+OC 0.7.7, -2009 for OC 0.7.6 for BigSur score was about 1900, and i have comparison of Monterey and Catalina for radeon RX580 (sapphire dual bios)- high settings: for Mojave -1978, but for Catalina only -1740. As to real rendering with Twinmotion and UE4.7 or UE5 FPS performance increases with monterey significantly (about 15% compared to BigSur). some pictures attached.
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View attachment 1942501View attachment 1942503 Luxmark as to real work in Twinmotion