Sourse XLSX available for download in repo.
| ESP32 | ESP32-S2 | ESP32-S3 | ESP32-C2 (ESP8684) |
ESP32-C3 | ESP32-C6 | ESP32-H2 | |
|---|---|---|---|---|---|---|---|
| Processor | Xtensa LX6 x 1/2 240MHz |
Xtensa LX7 x 1 240MHz |
Xtensa LX7 x 2 240MHz |
RISC-V x 1 120MHz |
RISC-V x 1 160MHz |
RISC-V x 1 160MHz |
RISC-V x 1 96MHz |
| CoreMark (max cores) | 994.26 | 472.73 | 1181.6 | 305.42 | 307.22 | 441.32 | |
| Per MHz | 4.14 | 1.97 | 4.92 | 2.55 | 2.55 | 2.76 | |
| (U)LP Co-processor | Yes | Yes (FSM) | RISC-V x 1 20MHz |
||||
| ROM | 448KB | 128KB | 384KB | 576KB | 384KB | 320KB | 128KB |
| L1 | 32KB | ||||||
| SRAM | 520KB | 320KB | 512KB | 272KB (16KB Cache) | 400KB (16KB Cache) | 512KB | 320KB |
| RTC/LP SRAM | 16KB | 16KB | 16KB | 8KB | 16KB | 4KB | |
| eFuse bits | 768 | 1792 | 1792 | 256 | |||
| Flash | QSPI | QSPI | QSPI | QSPI | QSPI | QSPI | |
| WiFi | 802.11 (b/g/n) 2.4GHz only |
802.11 (b/g/n) 2.4GHz only 20MHz/40MHz |
802.11 (b/g/n) 2.4GHz only 20MHz/40MHz |
802.11 (b/g/n) 2.4GHz only |
802.11 (b/g/n) 2.4GHz only 20MHz/40MHz |
802.11 (b/g/n/ax) 2.4GHz only 20MHz/40MHz |
|
| WiFi Multimedia (WMM) | Yes | Yes | Yes | ||||
| Bluetooth | 4.2/BTLE | 5.0/BTLE/Mesh | 5.0/BTLE | 5.0/BTLE/Mesh | 5.3/BTLE/Mesh | 5.0/BTLE/Mesh | |
| IEEE 802.15.4-2015 | Yes | Yes | |||||
| Thread | 1.3 | 1.3 | |||||
| Zigbee | 3 | 3 | |||||
| Timer Groups | 2 | 1 | 1 | 1 | 1 | 1 | 1 |
| GP Timer | 2 x 64bit | 1 x 64bit | 4 x 56bit | 1 x 54bit | 2 x 54bit | 2 x 54bit | 2 x 54bit |
| System | 1 x 64bit | 1 x 52bit | 1 x 52bit | 1 x 52bit | 1 x 52bit | 1 x 52bit | |
| Watchdog | 1 | 3 | 3 | 2 | 3 | 3 | 3 |
| Super Watchdog | 1 | ||||||
| Analog Watchdog | 1 | 1 | |||||
| RTC | 1 | ||||||
| Watchdog | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| DAC | 8bit x 2 | 8bit x 2 | |||||
| ADC | SAR/12bit/9ch x 2 | SAR/12bit/10ch x 2 | SAR/12bit/10ch x 2 | SAR/12bit/5ch | SAR/12bit/5ch | SAR/12bit/7ch | SAR/12bit/5ch |
| GPIO | 34 | 43 | 45 | 14 | 22 | 30 | 19 |
| Strapping | 5 | 3 | 4 | 2 | 3 | 5 | |
| Input Only | 6 | 1 | |||||
| In package Flash | 6 | 6 | 6 | 6 | |||
| Touch | 10 | 14 | 14 | ||||
| SPI | 4 - QSPI | 4 - QSPI | 4 - OSPI | 3 - QSPI | 3 - QSPI | 1/2 (Flash Only) | 3 |
| I2C | 2 | 2 | 2 | 1 (Master Only) | 1 | 1/1 (LP) | 2 |
| I2S | 2 | 1 | 2 | 1 | 1 | 1 | |
| Temperature | 1 | 1 | 1 | 1 | 1 | ||
| Pulse Counter | 8 (4) | 4 (2) | 1 | 4 | 1 | ||
| UART | 3 | 2 | 3 | 2 | 2 | 2/1(LP) | 2 |
| TWAI/CAN | 1 | 1 | 1 | 1 | 2 | 1 | |
| ETH | 1 | ||||||
| RMT/IR | 8rx/tx | 1tx/1rx | 1tx/1rx | 2tx/2rx | 2tx/2rx | 2tx/2rx | |
| PWM | |||||||
| Motor | 2 | 2 | 1 | 1 | |||
| LED | 16ch | 8ch | 8ch | 6ch | 6ch | 6ch | 6ch |
| PARLIO (Parallel IO) | 1 | 1 | |||||
| JTAG | 1 | USB | 1 | 1 | 1 | ||
| USB | 0 | 1 | 1? | 1 | 1 | 1 | |
| OTG | 1 | 1 | |||||
| ICP | Yes | Yes | Yes | Yes | |||
| DMA | Yes | Yes | 5x5 | 1x1 | 3x3 | 3x3 | 3x3 |
| Secure Boot | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Flash Encryption | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| OTP | 1024bit | 4096bit | 4096bit | 1024bit | 4096bit | 4096bit | 4096bit |
| Customer | 768bit | 1792bit | 1792bit | 256bit | 1792bit | 1792bit | 1792bit |
| Crypto | |||||||
| ECC | Yes | Yes | Yes | Yes | |||
| SHA | Yes | Yes | Yes | Yes | |||
| RSA | Yes | Yes | Yes | Yes | Yes | Yes | |
| AES | Yes | Yes | Yes | Yes | Yes | Yes | |
| RNG | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| HASH (FIPS PUB 180-4) | Yes | Yes | Yes | Yes | |||
| HMAC | Yes | Yes | Yes | Yes | Yes | ||
| Digital Signature | Yes | Yes | Yes | Yes | Yes | ||
| TEE | Yes | ||||||
| Sleep | |||||||
| Active | 95mA - 240MA | 63mA - 310mA | 91mA - 340mA | 62mA - 370mA | 84mA - 335mA | 71mA - 354mA | 25mA - 148mA |
| Modem | 20mA - 68mA | 10.5mA - 28mA | 13.2mA - 107.9mA | 9.4mA - 15.6mA | 13mA - 28mA | 14mA - 38mA | 3mA - 17mA |
| Light | 0.8mA | 0.75mA | 0.24mA | 0.140mA | 0.130mA | 35uA - 0.180mA | 25uA - 85uA |
| Deep | 10uA | 20uA - 170uA | 7uA - 8uA | 5uA | 5uA | 7uA | 7uA |
| Hibernation | 1uA - 5uA | 1uA (Off) | 1uA (Off) | 1uA (Off) | 1uA (Off) | 1uA (Off) | 1uA (Off) |
| Timers | |||||||
| Internal | 8MHz | Requires External | Requires External | Requires External | Requires External | Requires External | Requires External |
| Internal RC | Yes | Requires External | Requires External | Requires External | Requires External | Requires External | Requires External |
| External | 2MHz - 60MHz (WiFi/BT - 40MHz) |
n - 240MHz | n - 240MHz | n - 120MHz | n - 160MHz | n - 160MHz | n - 96MHz |
| External RTC | 32kHz | ||||||
| XTAL32K watchdog | 1 | ||||||
| Host | |||||||
| SD | 1 (Shared) | 1 (2 Slots) | |||||
| eMMC | 1 (Shared) | 1 (2 Slots) | |||||
| SDIO | 1 (Shared) | ||||||
| Slave | |||||||
| SPI | 1 (Shared) | ||||||
| SDIO | 1 (Shared) | 1 | |||||
| Camera | |||||||
| DVP (I2S) | 1 | 1? I2S | |||||
| LCD | |||||||
| Serial | 1 (SPI2) | 1? | |||||
| Parallel | 1 (I2S) |