| ESP32-C3 | ESP32-C6 | |
| CPU | 32-bit RISC-V single-core processor, up to 160MHz | 32-bit RISC-V single-core processor, up to 160MHz |
| Memory | 384 KB ROM 400 KB SRAM |
320 KB ROM 512 KB SRAM |
| Wi-Fi | 802.11b/g/n | 802.11b/g/n/ax |
| Zigbee and Thread | Compliant with IEEE 802.15.4-2015 protocol | |
| Advanced Peripheral Interfaces | • 22 × programmable GPIOs • 2 × 12-bit SAR ADCs, up to 6 channels • 1 × temperature sensor • 3 × SPI • 2 × UART • 1 × I2C • 1 × I2S • Remote control peripheral, with 2 transmit channels and 2 receive channels • LED PWM controller, up to 6 channels • General DMA controller, with 3 transmit channels and 3 receive channels • 1 × TWAI controller (compatible with ISO 11898-1) • 1 × USB Serial/JTAG Controller Console |
• 30 or 22 × programmable GPIOs • 1 × 12-bit SAR ADCs, up to 7 channels • 1 × temperature sensor • 3 × SPI • 2 × UART • 1 × I2C • 1 × I2S • Remote control peripheral, with 2 transmit channels and 2 receive channels • LED PWM controller, up to 6 channels • General DMA controller, with 3 transmit channels and 3 receive channels • 2 × TWAI controller (compatible with ISO 11898-1) • 1 × USB Serial/JTAG Controller Console • 1 × SDIO 2.0 slave controller • 1 × Pulse count controller (PCNT) • 1 × Motor Control PWM (MCPWM) • 1 × Remote control peripheral (TX/RX) • 1 × Parallel IO interface (PARLIO) • Event task matrix (ETM) |
| Dhrystone | Whetstone | |
| ESP32C3@160 | 167 | 8.3 |
| ESP32C6@160 | 178 | 12.5 |
| ESP32@160 | 95 | 10.0 |
| ESP32S2@160 | 95 | 8.3 |
| ESP32S3@160 | 142 | 10.0 |
$ grep -rn "Supported Targets" *
| grep ESP32-C6 | grep -v "ESP32 " | grep -v
"ESP32-C3" |