ESP32-C3FN4 vs ESP32-S3R2

This in-depth comparison of the ESP32-C3FN4 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-C3FN4

Espressif Systems

Lifecycle: Active
Stock: 2367 PCS
Package: QFN-32
Series: RF Transceiver Modules and Modems

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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-C3FN4	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	4MB Flash, 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 ~ 85°C (TA)	-40°C ~ 85°C
Type	-	TxRx + MCU
Data Rate (Max)	-	150Mbps
GPIO	-	30

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