The 35 pages Microcontroller Datasheet eBook contains the most useful information of 14 Arduino, ESP8266 and ESP32 microcontroller boards.
You get a full ranking of all boards across the following dimensions:
Connectivity
Price-Performance-Ratio
Power Consumption
Size / Fitting.
In the detailed section of each microcontroller you find information about the pinout of the boards as well as the power consumption in different operating modes.