Answer 6 quick questions to find the upgrade or ecosystem path that best matches your current gear, feature priorities and ownership style.
Z30 is designed as a companion; Z82 is a self-contained GPS-laser.
The biggest architecture difference is connected relay versus onboard maps.
Stabilization can justify the larger hybrid if hand movement is a real problem.
Z30 uses a long-life CR2; Z82 is rechargeable.
A full GPS hybrid is naturally more substantial than a connected laser.
Do not pay for duplicate onboard GPS unless you actually want to use it.
Garmin Approach Z30: your Garmin ecosystem already supplies the mapping layer you need, so a connected OLED laser with Range Relay, magnet and long-life CR2 ownership is the cleaner upgrade.
Garmin Approach Z82: you want the premium all-in-one Garmin GPS-laser with full-color CourseView maps, PinPointer, built-in GPS and image stabilization directly in the viewfinder.