ESP8266 has 4MB Flash and 50kb Sram
and esp has UART, SPI, I²C, I²S, PWM, 1-Wire interfaces
Wi-Fi: 802.11 b/g/n AP+STA
but it dosent have bluetooth (not that bad)
It will be great
I know that he is weaker then esp32
to port : Remove Bluetooth, remove interpreter