Nom abrégé	ESP32	ESP32-C3	ESP32-C3-WROOM-02U	ESP32-S2	ESP8266	ESP8285
Description		ESP32-C3 is pin-compatible with ESP8266. It has a single core RISC-V 32-bit CPU @160 MHz and includes 400 kB of SRAM and 384 kB of flash built-in.				The ESP8285 is similar to the ESP8266, but has built-in 1 MiB of flash.
Site web	espressif.com/...	espressif.com/...	espressif.com/...	espressif.com/...	espressif.com/...	espressif.com/...
Date de sortie	2016	2020	2021	2019	2014	2016
Caractéristiques
CPU	Tensilica Xtensa LX6 32 bit Dual-Core @ 160 / 240Mhz	RISC-V 32-bit Single-Core @ 160 MHz	32-bit RISC-V single-core processor	Tensilica Xtensa LX7 32 bit Single-Core @ 240Mhz	Tensilica LX106 32 bit @ 80 MHz (up to 160 MHz)	Tensilica LX106 32 bit @ 80 MHz (up to 160 MHz)
Coprocesseur	ULP			ULP (RISC-V)
Mémoire vive	520 KB	400 KB		320 KB	50 KB less than	160 KB
ROM (Flash)	448 KB	384 KB		128 KB	0 use external SPI flash	1 024 KB
UART	3	2	2	2	2	2
SPI	Oui 4	Oui 3	Oui 3	Oui 4 (OSPI)	Oui 2	Oui 2
Wi-Fi	Oui 802.11b/g/n	Oui 802.11b/g/n	Oui 802.11b/g/n	Oui 802.11b/g/n	Oui 802.11b/g/n (max 65Mbps)	Oui 802.11b/g/n (max 65Mbps)
Bluetooth®	Oui 4.2 BR/EDR + BLE	Oui 5.0 + BLE	Oui 5.0 BLE	Non	Non	Non
Port USB Maitre	Non	Non		Oui	Non	Non
Ethernet (LAN, RJ45)	Oui 10/100Mbps	Non		Non	Non	Non
RTC Memory	16 KB	8 KB	8 KB	16 KB
Mémoire SRAM externe	8 MB up to			128 MB up to		16 MB up to
Flash externe	16 MB up to			1 GB up to	16 MB up to
ESP-MESH	Oui	Oui		Oui	Oui	Oui
CAN	Oui v2.0				Non
GPIO	34	22 (up to)	15 (up to)	43	17 (up to)	17 (up to)
Capteur à effet Hall	Oui	Non	Non	Non	Non	Non
Capteur de température	Oui	Oui	Oui	Oui	Non	Non
Capteurs tactiles	10		No	14	No	No
I²C	Oui up to 2	Oui up to 1	Oui up to 1	Oui up to 2	Oui up to 1	Oui up to 1
I2S	2	1	1	1	2	2
ADC	Oui 12 bit SAR ADC up to 18 channels	Oui 2 × 12-bit SAR ADCs, up to 6 channels	Oui 2 × 12-bit ADC, up to 6 channels	Oui 12 bit SAR ADC up to 20 channels	Oui 10 bit	Oui 10 bit
DAC	Oui 8 bit up to 2 channels		Non	Oui 8 bit up to 2 channels	Non	Non
PWM	Oui up to 8	Oui up to 6		Oui 8	Oui 4	Non
SDMMC	Oui			Non	Non	Non
RMT (remote control)	Oui			Oui	Non	Non
LCD Interface	Non	Non		Oui	Non	Non
Camera Interface	Non	Non	Non	Oui	Non	Non
Flash sécurisé	1024-bit OTP secure boot	4096-bit OTP		4096-bit OTP secure boot
Support du chiffrement	AES, SHA-2, RSA, ECC, RNG	AES-128/256, RSA Accelerator, SHA Accelerator, Random Number Generator (RNG), HMAC		AES-128/192/256, SHA-2, RSA, RNG, HMAC, Digital Signature
Consommation en veille profonde	10 µA, Yes		5 µA	5 µA	20 µA, Yes	20 µA
Dimensions
Hauteur	6 mm	5 mm	18 mm	7 mm	5 mm	5 mm
Largeur	6 mm	5 mm	20 mm	7 mm	5 mm	5 mm