esp32s2 vs esp32 Comparison Table

[kevin]

spec	esp32	esp32s2
CPU	single core or dual core LX6	single core LX7
SRAM	520KB	320KB
ROM	448KB	128KB
ext spi-ram support	8MB	128 MB total(not confirm)
ext spi-flash support	16MB	1 GB(not confirm)
GPIOs	34	43
Cap Touch IO	10	14
PKG	QFN48 66 or 55 or 7*7	QFN56 7*7
WiFi	802.11 b/g/n	802.11 b/g/n and TOF(Time-of-Flight)
BT	v4.2 BR/EDR/BLE	None
LCD	None	8/16/24bit parallel RGB/8080/6800
i2s	2	1
DVP	8 or 16-bit in i2s0 or i2s1	8 or 16-bit in i2s0
USB	None	Full speed USB OTG
SDIO	Yes	None
SPI	4	4
ETH	Yes	None