ESP32-S2-WROOM vs ESP32-S2-WROVER
ESP32-S2-WROOM
WROOM · ESP32-S2 · Active
Check price on AliExpress →
As an affiliate we may earn from qualifying purchases. Prices and availability are set by AliExpress.
ESP32-S2-WROVER
WROVER · ESP32-S2 · Active
Check price on AliExpress →
As an affiliate we may earn from qualifying purchases. Prices and availability are set by AliExpress.
Figures here are compiled from Espressif's official datasheets, with the source linked on each page. Mistakes are possible, so if something looks off, please report it.
Which should you choose?
Both are built on the same ESP32-S2 SoC, so CPU and radios are identical; the choice is about memory, form factor and antenna.
Choose ESP32-S2-WROOM if you need
no standout advantage over ESP32-S2-WROVER; it trades on the points opposite.
Choose ESP32-S2-WROVER 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
Size, to scale
Same footprint: both are 18×31 mm.
Spec differences at a glance
- Flash options: ESP32-S2-WROOM 4 MB · ESP32-S2-WROVER 4 / 8 / 16 MB
- PSRAM: ESP32-S2-WROOM None · ESP32-S2-WROVER 2 MB (quad)
Compute & memory
⚑ flag an error| ESP32-S2-WROOM | ESP32-S2-WROVER | |
|---|---|---|
| CPU | Xtensa LX7, 1-core | Xtensa LX7, 1-core |
| Max clock | 240 MHz | 240 MHz |
| SRAM | 320 KB | 320 KB |
| ROM | 128 KB | 128 KB |
| Flash options≠ | 4 MB | 4 / 8 / 16 MB |
| PSRAM≠ | None | 2 MB (quad) |
| Co-processor | ULP-RISC-V | ULP-RISC-V |
Wireless
⚑ flag an error| ESP32-S2-WROOM | ESP32-S2-WROVER | |
|---|---|---|
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Wi-Fi bands | 2.4GHz | 2.4GHz |
| Bluetooth | — | — |
| 802.15.4 (Thread/Zigbee) | No | No |
| Antenna | PCB | PCB |
Peripherals & I/O
⚑ flag an error| ESP32-S2-WROOM | ESP32-S2-WROVER | |
|---|---|---|
| Usable GPIO | 37 | 37 |
| ADC | 20× 12-bit | 20× 12-bit |
| USB | USB-OTG | USB-OTG |
| UART / SPI / I²C / I²S | 2 / 2 / 2 / 1 | 2 / 2 / 2 / 1 |
| TWAI (CAN) | Yes | Yes |
| SD/MMC | No | No |
| Ethernet MAC | No | No |
| Touch | 14 | 14 |
Power
⚑ flag an error| ESP32-S2-WROOM | ESP32-S2-WROVER | |
|---|---|---|
| Operating voltage | 3.0-3.6 V | 3.0-3.6 V |
| Deep sleep | — µA | — µA |
Physical
⚑ flag an error| ESP32-S2-WROOM | ESP32-S2-WROVER | |
|---|---|---|
| Dimensions | 18 × 31 × 3.3 mm | 18 × 31 × 3.3 mm |
| Pin count | 42 | 42 |
| Temp range | -40 to 85 °C | -40 to 85 °C |
| Mounting | SMD castellated | SMD castellated |
| Lifecycle | Active | Active |
Security
⚑ flag an error| ESP32-S2-WROOM | ESP32-S2-WROVER | |
|---|---|---|
| Secure boot | Yes | Yes |
| Flash encryption | Yes | Yes |
| Crypto | AES, SHA, RSA, HMAC, RNG | AES, SHA, RSA, HMAC, RNG |
| Digital signature | Yes | Yes |
| TRNG | Yes | Yes |