ESP32-C61-MINI-1 vs ESP32-C61-WROOM-1
ESP32-C61-MINI-1
MINI · ESP32-C61 · New
Check price on AliExpress →
As an affiliate we may earn from qualifying purchases. Prices and availability are set by AliExpress.
ESP32-C61-WROOM-1
WROOM · ESP32-C61 · New
Check price on AliExpress →
As an affiliate we may earn from qualifying purchases. Prices and availability are set by AliExpress.
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?
Both are built on the same ESP32-C61 SoC, so CPU and radios are identical — the choice is about memory, form factor and antenna.
These two are closely matched on the spec sheet — decide on price, availability and which footprint fits your board.
Size, to scale
- ESP32-C61-MINI-1 — 13.2×16.6 mm
- ESP32-C61-WROOM-1 — 18×25.5 mm
Spec differences at a glance
- Flash options: ESP32-C61-MINI-1 4 / 8 MB · ESP32-C61-WROOM-1 8 / 16 MB
- PSRAM: ESP32-C61-MINI-1 8 MB (quad) · ESP32-C61-WROOM-1 2 / 8 MB (quad)
- Dimensions: ESP32-C61-MINI-1 13.2 × 16.6 × 2.4 mm · ESP32-C61-WROOM-1 18 × 25.5 × 3.1 mm
- Pin count: ESP32-C61-MINI-1 53 · ESP32-C61-WROOM-1 29
Compute & memory
⚑ flag an error| ESP32-C61-MINI-1 | ESP32-C61-WROOM-1 | |
|---|---|---|
| CPU | RISC-V, 1-core | RISC-V, 1-core |
| Max clock | 160 MHz | 160 MHz |
| SRAM | 320 KB | 320 KB |
| ROM | 256 KB | 256 KB |
| Flash options≠ | 4 / 8 MB | 8 / 16 MB |
| PSRAM≠ | 8 MB (quad) | 2 / 8 MB (quad) |
| Co-processor | none | none |
Wireless
⚑ flag an error| ESP32-C61-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) | No | No |
| Antenna | PCB | PCB |
Peripherals & I/O
⚑ flag an error| ESP32-C61-MINI-1 | ESP32-C61-WROOM-1 | |
|---|---|---|
| Usable GPIO | 23 | 23 |
| ADC | 4× 12-bit | 4× 12-bit |
| USB | USB-Serial-JTAG | USB-Serial-JTAG |
| UART / SPI / I²C / I²S | 3 / 1 / 1 / 1 | 3 / 1 / 1 / 1 |
| TWAI (CAN) | No | No |
| SD/MMC | Yes | Yes |
| Ethernet MAC | No | No |
| Touch | 0 | 0 |
Power
⚑ flag an error| ESP32-C61-MINI-1 | ESP32-C61-WROOM-1 | |
|---|---|---|
| Operating voltage | 3.0-3.6 V | 3.0-3.6 V |
| Deep sleep | 10 µA | 10 µA |
Physical
⚑ flag an error| ESP32-C61-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 | New | New |
Security
⚑ flag an error| ESP32-C61-MINI-1 | ESP32-C61-WROOM-1 | |
|---|---|---|
| Secure boot | Yes | Yes |
| Flash encryption | Yes | Yes |
| Crypto | AES, SHA, ECC, ECDSA, RNG | AES, SHA, ECC, ECDSA, RNG |
| Digital signature | Yes | Yes |
| TRNG | Yes | Yes |