Best mining cards by absolute eth performance

1. RTX 3090 126 mhs easy with proper cooling
2. Radeon VII 116 mhs very difficult with alpha software, sophisticated tuning and liquid cooling
3. RTX 3080 105mhs easy with proper cooling

Best mining cards according mhs/watt

1. RTX 3070 0.59
2. RTX 3060ti 0.58
3. RX 5700/RX 5600XT

Best mining cards according $/watt

1. Vega
2. Vega
3. Vega