You can look at his amplifier index to see how they rank.
edit: Let me be more helpful. Here is the index where Amir ranks the electronics he has tested.
https://www.audiosciencereview.com/forum/index.php?pages/Audio_Equipment_Reviews/
If you go to the Electronics Ranking tab and then in the Device Type dropdown menu pick "AV Receiver/Processor" from the list it will give you a filtered ranking of the AVRs he has tested and you can see the SINAD based rankings to see which rank highest and see how different two given AVRs measure to give a sense of the engineering quality spread.
If you go to the Electronics Index tab you can filter again by AV Receiver/Processor and see which were recommended by Amir and which were not as well as set yourself a budget.
This can help you narrow your field. From there You can dive in to the reviews for each of your remaining candidates to get some of the nuances on their capabilities.
Hope this is helpful!