A fun little experiment - my Android-powered Monero "farm". Lol. Running XMRig on top of Termux on 2 Google Pixel 3's and two Essential Phones. Not bad hashrates (I think?) for the
Zcash Mining on NVIDIA Pascal GPUs: We Benchmark and Compare
mining - Low XMR-STAK hash rate on two cards in a 8 card Linux NVIDIA rig - Monero Stack Exchange