ESP32-H2-MINI-1 vs ESP32-MINI-1

ESP32-H2-MINI-1

MINI · ESP32-H2 · Active

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ESP32-MINI-1

MINI · ESP32 · Active

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Every figure here is checked against Espressif’s official datasheets. We’ve taken every care to keep it accurate — but datasheets are dense and mistakes happen, so if something looks off, please report it.

Which should you choose?

These run different SoCs (ESP32-H2 vs ESP32), so they differ in CPU, wireless and peripherals — not just packaging.

Choose ESP32-H2-MINI-1 if you need

802.15.4 radio for Thread, Zigbee and Matter-over-Thread mesh
smaller footprint (13.2×16.6 mm)

Choose ESP32-MINI-1 if you need

newer Wi-Fi (Wi-Fi 4)
Bluetooth Classic (BR/EDR) for legacy SPP / A2DP audio
2 CPU cores vs 1 — more headroom for RTOS / parallel work
faster CPU (240 MHz, Xtensa LX6)
Ethernet MAC for wired networking (add an external PHY)

Size, to scale

ESP32-H2-MINI-1 — 13.2×16.6 mm
ESP32-MINI-1 — 13.2×19 mm

Spec differences at a glance

CPU: ESP32-H2-MINI-1 RISC-V, 1-core · ESP32-MINI-1 Xtensa LX6, 2-core
Max clock: ESP32-H2-MINI-1 96 MHz · ESP32-MINI-1 240 MHz
SRAM: ESP32-H2-MINI-1 320 KB · ESP32-MINI-1 520 KB
ROM: ESP32-H2-MINI-1 128 KB · ESP32-MINI-1 448 KB
Flash options: ESP32-H2-MINI-1 2 / 4 MB · ESP32-MINI-1 4 MB
Co-processor: ESP32-H2-MINI-1 none · ESP32-MINI-1 ULP-FSM
Wi-Fi: ESP32-H2-MINI-1 — · ESP32-MINI-1 Wi-Fi 4
Wi-Fi bands: ESP32-H2-MINI-1 — · ESP32-MINI-1 2.4GHz
Bluetooth: ESP32-H2-MINI-1 BLE 5.x · ESP32-MINI-1 BT Classic + BLE
802.15.4 (Thread/Zigbee): ESP32-H2-MINI-1 Yes · ESP32-MINI-1 No
Usable GPIO: ESP32-H2-MINI-1 19 · ESP32-MINI-1 28
ADC: ESP32-H2-MINI-1 5× 12-bit · ESP32-MINI-1 18× 12-bit
USB: ESP32-H2-MINI-1 USB-Serial-JTAG · ESP32-MINI-1 USB-Serial(external)
UART / SPI / I²C / I²S: ESP32-H2-MINI-1 2 / 1 / 2 / 1 · ESP32-MINI-1 3 / 2 / 2 / 2
SD/MMC: ESP32-H2-MINI-1 No · ESP32-MINI-1 Yes
Ethernet MAC: ESP32-H2-MINI-1 No · ESP32-MINI-1 Yes
Touch: ESP32-H2-MINI-1 0 · ESP32-MINI-1 10
Deep sleep: ESP32-H2-MINI-1 7 µA · ESP32-MINI-1 10 µA
Dimensions: ESP32-H2-MINI-1 13.2 × 16.6 × 2.4 mm · ESP32-MINI-1 13.2 × 19 × 2.4 mm
Pin count: ESP32-H2-MINI-1 53 · ESP32-MINI-1 34
Temp range: ESP32-H2-MINI-1 -40 to 105 °C · ESP32-MINI-1 -40 to 85 °C
Crypto: ESP32-H2-MINI-1 AES, SHA, RSA, HMAC, ECC, ECDSA, RNG · ESP32-MINI-1 AES, SHA, RSA, RNG
Digital signature: ESP32-H2-MINI-1 Yes · ESP32-MINI-1 No

Compute & memory

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	ESP32-H2-MINI-1	ESP32-MINI-1
CPU≠	RISC-V, 1-core	Xtensa LX6, 2-core
Max clock≠	96 MHz	240 MHz
SRAM≠	320 KB	520 KB
ROM≠	128 KB	448 KB
Flash options≠	2 / 4 MB	4 MB
PSRAM	None	None
Co-processor≠	none	ULP-FSM

Wireless

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	ESP32-H2-MINI-1	ESP32-MINI-1
Wi-Fi≠	—	Wi-Fi 4
Wi-Fi bands≠	—	2.4GHz
Bluetooth≠	BLE 5.x	BT Classic + BLE
802.15.4 (Thread/Zigbee)≠	Yes	No
Antenna	PCB	PCB

Peripherals & I/O

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	ESP32-H2-MINI-1	ESP32-MINI-1
Usable GPIO≠	19	28
ADC≠	5× 12-bit	18× 12-bit
USB≠	USB-Serial-JTAG	USB-Serial(external)
UART / SPI / I²C / I²S≠	2 / 1 / 2 / 1	3 / 2 / 2 / 2
TWAI (CAN)	Yes	Yes
SD/MMC≠	No	Yes
Ethernet MAC≠	No	Yes
Touch≠	0	10

Power

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	ESP32-H2-MINI-1	ESP32-MINI-1
Operating voltage	3.0-3.6 V	3.0-3.6 V
Deep sleep≠	7 µA	10 µA

Physical

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	ESP32-H2-MINI-1	ESP32-MINI-1
Dimensions≠	13.2 × 16.6 × 2.4 mm	13.2 × 19 × 2.4 mm
Pin count≠	53	34
Temp range≠	-40 to 105 °C	-40 to 85 °C
Mounting	SMD castellated	SMD castellated
Lifecycle	Active	Active

Security

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	ESP32-H2-MINI-1	ESP32-MINI-1
Secure boot	Yes	Yes
Flash encryption	Yes	Yes
Crypto≠	AES, SHA, RSA, HMAC, ECC, ECDSA, RNG	AES, SHA, RSA, RNG
Digital signature≠	Yes	No
TRNG	Yes	Yes