Memory requirements for Wi-Fi applications in Station mode

Code and RAM memory footprint requirements differ depending on the selected platform and the application example.

The following tables list memory requirement values for selected Wi-Fi® samples supporting Station mode.

Footprint values are provided in kilobytes (KB).

The following table lists memory requirements for sample running on the nRF52840 DK.

Sample	Total ROM	Total used ROM	Wi-Fi driver ROM	nRF70 FW Patch ROM	WPA supplicant ROM	Total RAM	Total used RAM (incl. static HEAP)	Wi-Fi driver RAM	WPA supplicant RAM
Station	1024	552	51	85	156	256	183	68	42

The following table lists the memory requirements for sample running on the nRF54H20 DK.

Sample	Total ROM	Total used ROM	Wi-Fi driver ROM	nRF70 FW Patch ROM	WPA supplicant ROM	Total RAM	Total used RAM (incl. static HEAP)	Wi-Fi driver RAM	WPA supplicant RAM
Station	2048	501	51	85	150	760	191	68	42

The following table lists the memory requirements for sample running on the nRF54L15 DK.

Sample	Total ROM	Total used ROM	Wi-Fi driver ROM	nRF70 FW Patch ROM	WPA supplicant ROM	Total RAM	Total used RAM (incl. static HEAP)	Wi-Fi driver RAM	WPA supplicant RAM
Station	1524	541	51	85	156	256	173	58	42

The following table lists memory requirements for samples running on the nRF7002 DK (nrf7002dk/nrf5340/cpuapp).

Sample	Total ROM	Total used ROM	Wi-Fi driver ROM	nRF70 FW Patch ROM	WPA supplicant ROM	Total RAM	Total used RAM (incl. static HEAP)	Wi-Fi driver RAM	WPA supplicant RAM
UDP	848	566	54	85	156	400	214	88	42
Station	1024	546	52	85	156	448	188	68	42
AWS IoT	784	692	Not supported¹	Not supported¹	Not supported¹	400	323	Not supported¹	Not supported¹
CoAP Client	832	624	55	85	156	400	221	88	42
HTTP Server	848	684	55	85	156	400	261	88	42
HTTPS Client	848	613	54	85	156	400	280	68	42
MQTT	848	662	Not supported¹	Not supported¹	Not supported¹	400	322	Not supported¹	Not supported¹

[1]: Link Time Optimization (LTO) breaks symbol hierarchies in ELF files, which prevents measurement.

Note

The footprint of the networking samples for the Zephyr image is derived from the board target with Cortex-M Security Extensions enabled (*/ns variant).