ESP32-C3 vs ESP32-S3R2

This in-depth comparison of the ESP32-C3 and ESP32-S3R2 provides valuable insights into their specifications and key features. We cover important factors in detail, including RoHS compliance, REACH status, series, mounting style, package type, and other relevant characteristics. Presenting the differences side by side simplifies component selection, making it easier for you to select the best option for your specific application.

Technical review by ETEI Component Engineering Source: manufacturer documentation

Parts at a glance

Part A

ESP32-C3

Espressif Systems

Lifecycle
Active
Stock
4077 PCS
Package
QFN-32
Series
RF Transceiver Modules and Modems
+BOM RFQ
Part B

ESP32-S3R2

Espressif Systems

Lifecycle
Active
Stock
5693 PCS
Package
QFN-56
Series
RF Transceiver ICs
+BOM RFQ

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Full specification comparison

Use manufacturer datasheets as the final authority.

Specification ESP32-C3 ESP32-S3R2
Series ESP32 ESP32-S3
Part Status Active Active
RF Family / Standard Bluetooth, WiFi Bluetooth, WiFi
Protocol 802.11b/g/n, Bluetooth v5.0 802.11b/g/n, Bluetooth v5.0
Frequency 2.402GHz ~ 2.48GHz 2.412GHz ~ 2.484GHz
Data Rate 54Mbps -
Power - Output 21dBm 21dBm
Sensitivity -105dBm -98.4dBm
Serial Interfaces GPIO, I²C, I²S, SPI, JTAG, UART, USB I²C, I²S, SPI, UART, USB
Antenna Type Antenna Not Included -
Memory Size 400kB SRAM, 384kB ROM 2MB PSRAM
Voltage - Supply 3V ~ 3.6V 3.3V
Current - Receiving 84mA ~ 87mA -
Current - Transmitting 276mA ~ 335mA -
Mounting Type Surface Mount Surface Mount
Operating Temperature -40°C ~ 105°C (TA) -40°C ~ 85°C
Type - TxRx + MCU
Data Rate (Max) - 150Mbps
GPIO - 30
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