> For the complete documentation index, see [llms.txt](https://nucode.gitbook.io/nuseries/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://nucode.gitbook.io/nuseries/module-comparison.md).

# Module Comparison

|                      | NU-32                                                                                                                                                                                                               | NU-40                                                                                                                                                                                                               | NU-54                                                                                                                                                                                                               |                                                                                                                           NU-54V                                                                                                                          | NU-87                                                                                                                                                                                                               |
| -------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------: | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Size                 | ![](https://1938972866-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1HdCYZuvMPJuIeKs5ySY%2Fuploads%2Fy1MW2Jfz1aUFXHLHVIA8%2Fimage.png?alt=media\&token=57df2cca-6691-48c6-a989-6078886849d4) | ![](https://1938972866-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1HdCYZuvMPJuIeKs5ySY%2Fuploads%2FCmDbjAy7iN4cXMkfAsSN%2Fimage.png?alt=media\&token=4440decf-89fa-4dbc-a5de-199923ed7e11) | ![](https://1938972866-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1HdCYZuvMPJuIeKs5ySY%2Fuploads%2F66xZJKtRVCqyz1X9r7WF%2Fimage.png?alt=media\&token=15bd19dc-631d-42d1-a025-ad35f29f2696) | <img src="https://1938972866-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1HdCYZuvMPJuIeKs5ySY%2Fuploads%2Fzdd4BDDHGCpiGocQLsjo%2Fimage.png?alt=media&amp;token=4cf5a7a4-e2b6-4f4c-a554-c5b4dae633d6" alt="" data-size="original"> | ![](https://1938972866-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F1HdCYZuvMPJuIeKs5ySY%2Fuploads%2Fr7ni79v9fXj8fTEcrLJb%2Fimage.png?alt=media\&token=0a842649-9790-406e-a377-ccc6775aaf8f) |
| SoC                  | nRF52832                                                                                                                                                                                                            | nRF52840                                                                                                                                                                                                            | nRF54L05                                                                                                                                                                                                            |                                                                                                                          nRF54L15                                                                                                                         | RTL8720DF                                                                                                                                                                                                           |
| Antenna              | <p>TE connectivity Chip<br>Antenna IPEX type</p>                                                                                                                                                                    | <p>TE connectivity Chip<br>Antenna IPEX type</p>                                                                                                                                                                    | <p>TE connectivity Chip<br>Antenna IPEX type</p>                                                                                                                                                                    |                                                                                                      <p>TE connectivity Chip<br>Antenna IPEX type</p>                                                                                                     | <p>TE connectivity Chip<br>Antenna IPEX type</p>                                                                                                                                                                    |
| CPU                  | 64 MHz ARM Cortex-M4                                                                                                                                                                                                | 64 MHz ARM Cortex-M4 with FPU                                                                                                                                                                                       | Dual: 128MHz ARM Cortex-M33 + Risc - V Coprocessor                                                                                                                                                                  |                                                                                                     Dual: 128MHz ARM Cortex-M33 + Risc - V Coprocessor                                                                                                    | Dual: Armv8-M MCU (up to 200 MHz + 20 MHz)                                                                                                                                                                          |
| Flash Memory         | 512KB                                                                                                                                                                                                               | 1MB                                                                                                                                                                                                                 | 1MB                                                                                                                                                                                                                 |                                                                                                                           1.5 M                                                                                                                           | 4MB                                                                                                                                                                                                                 |
| RAM                  | 64KB                                                                                                                                                                                                                | 256KB                                                                                                                                                                                                               | 192KB                                                                                                                                                                                                               |                                                                                                                           256 K                                                                                                                           | 512KB + 64KB                                                                                                                                                                                                        |
| Wireless Protocol    | <mark style="color:blue;background-color:blue;">BLE 5.4</mark>, ANT, NFC                                                                                                                                            | <mark style="color:blue;background-color:blue;">BLE 5.4</mark>, ANT, NFC, BLE MASH, Thread, Zigbee, matter                                                                                                          | <mark style="color:blue;background-color:blue;">BLE 6.0</mark>, ANT, NFC, BLE MESH, Thread, Zigbee, matter                                                                                                          |                                                                        <mark style="color:blue;background-color:blue;">BLE 6.0</mark>,  ANT, NFC, BLE MESH, Thread, Zigbee, matter                                                                        | <mark style="color:blue;background-color:blue;">BLE 5.0</mark>, <mark style="color:$danger;background-color:orange;">Wi-Fi 4 (802.11 a/b/g/n, 2.4 & 5 GHz)</mark>                                                   |
| Chip                 | QFN48                                                                                                                                                                                                               | aQFN73                                                                                                                                                                                                              | QFN48                                                                                                                                                                                                               |                                                                                                                           QFN48                                                                                                                           | QFN48                                                                                                                                                                                                               |
| Maximum GPIO         | 32                                                                                                                                                                                                                  | 48                                                                                                                                                                                                                  | 31                                                                                                                                                                                                                  |                                                                                                                             31                                                                                                                            | 20                                                                                                                                                                                                                  |
| Operating Voltage    | 1.7V - 3.6V                                                                                                                                                                                                         | 1.7V - 5.5V                                                                                                                                                                                                         | 1.7V - 3.6V                                                                                                                                                                                                         |                                                                                                                        1.7V - 3.6V                                                                                                                        | 1.8 V - 3.6 V (3.3V typ.)                                                                                                                                                                                           |
| Power Consumption    | Low                                                                                                                                                                                                                 | <p>Low<br>(Power efficiency mod)</p>                                                                                                                                                                                | <p>Very Low<br>(Efficient power management with dual processors structure)</p>                                                                                                                                      |                                                                                       <p>Very Low<br>(Efficient power management with dual processors structure)</p>                                                                                      | Low (optimized Wi-Fi/BLE combo SoC)                                                                                                                                                                                 |
| Application Examples | Temperature sensor, beacons, wearables, and lightweight smart sensors                                                                                                                                               | Smart home hubs, USB dongles, industrial device                                                                                                                                                                     | Wireless sensor, metering tags, and healthcare monitoring                                                                                                                                                           |                                                                                                  Smart city nodes, AI-enabled cameras, and farm gateways                                                                                                  | Smart home devices, IoT gateways, sensor nodes, Wi-Fi/BLE bridges                                                                                                                                                   |
| Interface            | Up to 3x SPI, 2x TWI, 1x UART, PWM, PDM, I2S, ADC                                                                                                                                                                   | Up to 4x SPI, 2x TWI, 2x UART, PWM, PDM, I2S, ADC                                                                                                                                                                   | Up to 5x SPI, 5x TWI, 5x UART, PWM, PDM, I2S, ADC                                                                                                                                                                   |                                                                                                     Up to 5x SPI, 5x TWI, 5x UART, PWM, PDM, I2S, ADC                                                                                                     | Up to 3x UART, 2x SPI, 2x I²C, SD/SDIO, USB 2.0, I²S, PWM, ADC                                                                                                                                                      |
| Security             | -                                                                                                                                                                                                                   | PSA 1                                                                                                                                                                                                               | PSA 3                                                                                                                                                                                                               |                                                                                                                           PSA 3                                                                                                                           | PSA 2                                                                                                                                                                                                               |
