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ESP8266 vs ESP32 vs ESP32-S2 vs ESP32-C3

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Compare Espressif SoCs ESP8266 vs ESP8285 vs ESP32 vs ESP32-S2 vs ESP32-C3

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Short name
ESP32-C3-WROOM-02UESP32-C3ESP32-S2ESP32ESP8285ESP8266
DescriptionESP32-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.
Websiteespressif.com/...espressif.com/...espressif.com/...espressif.com/...espressif.com/...espressif.com/...
Release date202120202019201620162014
Product details
CPU32-bit RISC-V single-core processorRISC-V 32-bit Single-Core @ 160 MHzTensilica Xtensa LX7
32 bit Single-Core @ 240Mhz
Tensilica Xtensa LX6
32 bit Dual-Core @ 160 / 240Mhz
Tensilica LX106
32 bit @ 80 MHz (up to 160 MHz)
Tensilica LX106
32 bit @ 80 MHz (up to 160 MHz)
CoprocessorULP (RISC-V)ULP
RAM400 KB320 KB520 KB160 KB50 KB less than
ROM (Flash)384 KB128 KB448 KB1,024 KB0 use external SPI flash
UART222322
SPIYes 3Yes 3Yes 4 (OSPI)Yes 4Yes 2Yes 2
Wi-FiYes 802.11b/g/nYes 802.11b/g/nYes 802.11b/g/nYes 802.11b/g/nYes 802.11b/g/n (max 65Mbps)Yes 802.11b/g/n (max 65Mbps)
Bluetooth®Yes 5.0 BLEYes 5.0 + BLENoYes 4.2 BR/EDR + BLENoNo
USB HostNoYesNoNoNo
Ethernet (LAN, RJ45)NoNoYes 10/100MbpsNoNo
RTC Memory8 KB8 KB16 KB16 KB
External SRAM128 MB up to8 MB up to16 MB up to
External Flash1 GB up to16 MB up to16 MB up to
ESP-MESHYesYesYesYesYes
CANYes v2.0No
GPIO15 (up to)22 (up to)433417 (up to)17 (up to)
Hall effect sensorNoNoNoYesNoNo
Temperature sensorYesYesYesYesNoNo
Touch sensorsNo1410NoNo
I²CYes up to 1Yes up to 1Yes up to 2Yes up to 2Yes up to 1Yes up to 1
I2S111222
ADCYes 2 × 12-bit ADC, up to 6 channelsYes 2 × 12-bit SAR ADCs, up to 6 channelsYes 12 bit SAR ADC up to 20 channelsYes 12 bit SAR ADC up to 18 channelsYes 10 bitYes 10 bit
DACNoYes 8 bit up to 2 channelsYes 8 bit up to 2 channelsNoNo
PWMYes up to 6Yes 8Yes up to 8NoYes 4
SDMMCNoYesNoNo
RMT (remote control)YesYesNoNo
LCD InterfaceNoYesNoNoNo
Camera InterfaceNoNoYesNoNoNo
Secure flash4096-bit OTP4096-bit OTP secure boot1024-bit OTP secure boot
Cryptography supportAES-128/256, RSA Accelerator, SHA Accelerator, Random Number Generator (RNG), HMACAES-128/192/256, SHA-2, RSA, RNG, HMAC, Digital SignatureAES, SHA-2, RSA, ECC, RNG
Deep sleep consumption5 µA5 µA10 µA, Yes20 µA20 µA, Yes
Dimensions
Height18 mm5 mm7 mm6 mm5 mm5 mm
Width20 mm5 mm7 mm6 mm5 mm5 mm
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Compare Espressif ESP8266 vs ESP8285 vs ESP32 vs ESP32-S2 vs ESP32-C3
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Oct. 18th 2022 11:38:14 AM
Sep. 20th 2020 10:27:40 AM
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  • mvwtest001 on Sep. 18th 2021 12:05:46 AM
    like this

    goog job