ESP32-C6-MINI-1 vs ESP32-C61-WROOM-1
ESP32-C6-MINI-1
MINI · ESP32-C6 · Active
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ESP32-C61-WROOM-1
WROOM · ESP32-C61 · New
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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-C6 vs ESP32-C61), so they differ in CPU, wireless and peripherals — not just packaging.
Choose ESP32-C6-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-C61-WROOM-1 if you need
- PSRAM for camera frames, audio buffers and LVGL/large displays
- larger flash option (up to 16 MB) for bigger firmware and OTA
- more usable GPIO (23 vs 22)
Size, to scale
- ESP32-C6-MINI-1 — 13.2×16.6 mm
- ESP32-C61-WROOM-1 — 18×25.5 mm
Spec differences at a glance
- SRAM: ESP32-C6-MINI-1 512 KB · ESP32-C61-WROOM-1 320 KB
- ROM: ESP32-C6-MINI-1 320 KB · ESP32-C61-WROOM-1 256 KB
- Flash options: ESP32-C6-MINI-1 4 / 8 MB · ESP32-C61-WROOM-1 8 / 16 MB
- PSRAM: ESP32-C6-MINI-1 None · ESP32-C61-WROOM-1 2 / 8 MB (quad)
- Co-processor: ESP32-C6-MINI-1 ULP-RISC-V · ESP32-C61-WROOM-1 none
- 802.15.4 (Thread/Zigbee): ESP32-C6-MINI-1 Yes · ESP32-C61-WROOM-1 No
- Usable GPIO: ESP32-C6-MINI-1 22 · ESP32-C61-WROOM-1 23
- ADC: ESP32-C6-MINI-1 7× 12-bit · ESP32-C61-WROOM-1 4× 12-bit
- UART / SPI / I²C / I²S: ESP32-C6-MINI-1 2 / 1 / 2 / 1 · ESP32-C61-WROOM-1 3 / 1 / 1 / 1
- TWAI (CAN): ESP32-C6-MINI-1 Yes · ESP32-C61-WROOM-1 No
- Deep sleep: ESP32-C6-MINI-1 7 µA · ESP32-C61-WROOM-1 10 µA
- Dimensions: ESP32-C6-MINI-1 13.2 × 16.6 × 2.4 mm · ESP32-C61-WROOM-1 18 × 25.5 × 3.1 mm
- Pin count: ESP32-C6-MINI-1 53 · ESP32-C61-WROOM-1 29
- Lifecycle: ESP32-C6-MINI-1 Active · ESP32-C61-WROOM-1 New
- Crypto: ESP32-C6-MINI-1 AES, SHA, RSA, HMAC, ECC, RNG · ESP32-C61-WROOM-1 AES, SHA, ECC, ECDSA, RNG
Compute & memory
⚑ flag an error| ESP32-C6-MINI-1 | ESP32-C61-WROOM-1 | |
|---|---|---|
| CPU | RISC-V, 1-core | RISC-V, 1-core |
| Max clock | 160 MHz | 160 MHz |
| SRAM≠ | 512 KB | 320 KB |
| ROM≠ | 320 KB | 256 KB |
| Flash options≠ | 4 / 8 MB | 8 / 16 MB |
| PSRAM≠ | None | 2 / 8 MB (quad) |
| Co-processor≠ | ULP-RISC-V | none |
Wireless
⚑ flag an error| ESP32-C6-MINI-1 | ESP32-C61-WROOM-1 | |
|---|---|---|
| Wi-Fi | Wi-Fi 6 | Wi-Fi 6 |
| Wi-Fi bands | 2.4GHz | 2.4GHz |
| Bluetooth | BLE 5.x | BLE 5.x |
| 802.15.4 (Thread/Zigbee)≠ | Yes | No |
| Antenna | PCB | PCB |
Peripherals & I/O
⚑ flag an error| ESP32-C6-MINI-1 | ESP32-C61-WROOM-1 | |
|---|---|---|
| Usable GPIO≠ | 22 | 23 |
| ADC≠ | 7× 12-bit | 4× 12-bit |
| USB | USB-Serial-JTAG | USB-Serial-JTAG |
| UART / SPI / I²C / I²S≠ | 2 / 1 / 2 / 1 | 3 / 1 / 1 / 1 |
| TWAI (CAN)≠ | Yes | No |
| SD/MMC | Yes | Yes |
| Ethernet MAC | No | No |
| Touch | 0 | 0 |
Power
⚑ flag an error| ESP32-C6-MINI-1 | ESP32-C61-WROOM-1 | |
|---|---|---|
| Operating voltage | 3.0-3.6 V | 3.0-3.6 V |
| Deep sleep≠ | 7 µA | 10 µA |
Physical
⚑ flag an error| ESP32-C6-MINI-1 | ESP32-C61-WROOM-1 | |
|---|---|---|
| Dimensions≠ | 13.2 × 16.6 × 2.4 mm | 18 × 25.5 × 3.1 mm |
| Pin count≠ | 53 | 29 |
| Temp range | -40 to 85 °C | -40 to 85 °C |
| Mounting | SMD castellated | SMD castellated |
| Lifecycle≠ | Active | New |
Security
⚑ flag an error| ESP32-C6-MINI-1 | ESP32-C61-WROOM-1 | |
|---|---|---|
| Secure boot | Yes | Yes |
| Flash encryption | Yes | Yes |
| Crypto≠ | AES, SHA, RSA, HMAC, ECC, RNG | AES, SHA, ECC, ECDSA, RNG |
| Digital signature | Yes | Yes |
| TRNG | Yes | Yes |