"When sending or creating files for an outdoor device, keep in mind the following device limitations:
epix
- 1,000 waypoints
- 50 routes, 250 points per route
- 100 saved tracks
- 10,000 points per track
- Unlimited points per fit file (limited only by storage space available on device)
- Connect IQ supported (watch faces, data fields, widgets and apps); Connect IQ apps may fill available internal memory before file limitations are met
- 250 BirdsEye Imagery files
- mapping segments* vary by model:
- Approximately 4000 on base model
- Approximately 3500 on unit preloaded with Topo US 100K maps"
- Approximately 4000 on base model
https://support.garmin.com/faqSearch/en-GB/faq/content/3pcRrl17em7xueyltV6H8A
For the 5x I can´t find this information on the garmin support site (or I'm too stupid to find it). Does that also apply to the fenix 5x?