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12 Espressif families

ESP32 Series

Each series was designed for a specific project type, from battery-powered sensors to AI accelerators. Open the sheet to see pinout, peripherals, and security.

12 series

ESP32

Xtensa

The original model with dual-core processor and wide range of peripherals

Cores
1 (Single-core) or 2 (Dual-core)
Frequency
Up to 240 MHz
SRAM
520 KB
Wi-Fi
Yes
Bluetooth
Yes
Deep sleep
10-150 µA
  • AES + SHA
Open datasheet

ESP32-S2

Xtensa

Focused on security and low power, with native USB and the only ADC with 13-bit output

Cores
1 (Single-core)
Frequency
Up to 240 MHz
SRAM
320 KB
Wi-Fi
Yes
Bluetooth
No
Deep sleep
20-190 µA
  • AES + SHA
Open datasheet

ESP32-S3

Xtensa

Dual-core processor with accelerators for AI and signal processing

Cores
2 (Dual-core)
Frequency
Up to 240 MHz
SRAM
512 KB
Wi-Fi
Yes
Bluetooth
Yes
Deep sleep
7 µA
  • AI Accelerators
  • AES + SHA
Open datasheet

ESP32-S31

RISC-V

High-performance dual-core RISC-V processor at 320 MHz with Wi-Fi 6, Bluetooth 5.4 and Classic, Zigbee/Thread, Matter and AI acceleration

Cores
2 (Dual-core HP) + 1 (Single-core LP)
Frequency
Up to 320 MHz
SRAM
512 KB (HP SRAM)
Wi-Fi
Yes
Bluetooth
Yes
Deep sleep
Low power with active LP CPU
  • AI Accelerators
  • Key Manager
  • Matter
Open datasheet

ESP32-C2

RISC-V

Ultra-cost-effective and low-power RISC-V microcontroller with Wi-Fi 4 and Bluetooth 5.3 LE

Cores
1 (Single-core)
Frequency
Up to 120 MHz
SRAM
272 KB (16 KB for cache)
Wi-Fi
Yes
Bluetooth
Yes
Deep sleep
5 µA
  • Hardware ECC
Open datasheet

ESP32-C3

RISC-V

Ultra-low-power RISC-V processor

Cores
1 (Single-core)
Frequency
Up to 160 MHz
SRAM
400 KB
Wi-Fi
Yes
Bluetooth
Yes
Deep sleep
5 µA
  • AES + SHA
Open datasheet

ESP32-C5

RISC-V

The first with dual-band Wi-Fi 6 and Bluetooth 6.0 support, equipped with RISC-V CPU and ULP coprocessor

Cores
1 (Single-core HP) + 1 (Single-core LP)
Frequency
Up to 240 MHz
SRAM
384 KB
Wi-Fi
Yes
Bluetooth
Yes
Deep sleep
12 µA
  • Key Manager
  • Matter
Open datasheet

ESP32-C6

RISC-V

Advanced security features, Wi-Fi 6, Bluetooth 6.0, Zigbee and Thread with Matter support

Cores
1 (Single-core HP) + 1 (Single-core LP)
Frequency
Up to 160 MHz
SRAM
512 KB
Wi-Fi
Yes
Bluetooth
Yes
Deep sleep
7 µA
  • Hardware ECC
  • Matter
Open datasheet

ESP32-C61

RISC-V

Cost-effective 160 MHz RISC-V microcontroller with Wi-Fi 6, Bluetooth 6.0 LE and in-package Flash/PSRAM support

Cores
1 (Single-core)
Frequency
Up to 160 MHz
SRAM
320 KB
Wi-Fi
Yes
Bluetooth
Yes
Deep sleep
10 µA
  • Hardware ECDSA
Open datasheet

ESP32-P4

RISC-V

High performance with dual-core RISC-V processor at 400 MHz, AI accelerators and rich media interfaces

Cores
2 (Dual-core HP) + 1 (Single-core LP)
Frequency
Up to 400 MHz (HP, rev v3.x; 360 MHz in v1.x); LP up to 40 MHz
SRAM
768 KB
Wi-Fi
No
Bluetooth
No
Deep sleep
12 µA
  • AI Accelerators
  • Key Manager
Open datasheet

ESP32-H2

RISC-V

Focused on ultra-low power with Bluetooth 6.0, Zigbee and Thread. No Wi-Fi support

Cores
1 (Single-core)
Frequency
Up to 96 MHz
SRAM
320 KB
Wi-Fi
No
Bluetooth
Yes
Deep sleep
7 µA
  • Hardware ECDSA
  • Matter
Open datasheet

ESP32-H4

RISC-V

Ultra-high energy efficiency dual-core RISC-V SoC with Bluetooth 5.4 LE (LE Audio) and IEEE 802.15.4 for Thread, Zigbee and Matter. No Wi-Fi

Cores
2 (Dual-core)
Frequency
Up to 96 MHz
SRAM
384 KB
Wi-Fi
No
Bluetooth
Yes
  • Hardware ECDSA
  • Matter
  • Preliminary documentation
Open datasheet

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