The hardware is almost identical. The D2 Mach 2 is a watch for pilots, and it's priced accordingly.
Short answer
D2 Mach 2 - aviation features: routes, airports, weather. fenix 8 - the same display and longer battery life for much less.
Key differences
| Spec | Garmin fenix 8 47mm AMOLED | Garmin D2 Mach 2 47mm |
|---|---|---|
| Display | 1.4", AMOLED, 454×454 | 1.4", AMOLED, 454×454 |
| Memory | 32 GB | 32 GB |
| Battery life | up to 16 days | up to 14 days |
| Connectivity | Bluetooth, ANT+, Wi-Fi | Bluetooth, ANT+, Wi-Fi |
| Navigation | GPS, GLONASS, Galileo, QZSS, BeiDou | GPS, GLONASS, Galileo, QZSS, BeiDou |
| NFC | yes | yes |
| Sensors | heart rate, barometer, compass, gyroscope, temperature | heart rate, barometer, compass, gyroscope, temperature |
| Protection | 10 ATM | 10 ATM |
| Compatibility | iPhone, Android | iPhone, Android |
| Dimensions, weight | 47×47×13.8 mm | 47×47×13.8 mm, 73 g |
| Price | current prices | current prices |
Specs come from the device pages on Smartphone.ua.
What's the same
1.4" AMOLED 454×454, 32 GB, Wi-Fi, GPS with BeiDou, NFC, 10 ATM, 47×47×13.8 mm.
Battery life
Up to 16 vs up to 14 days.
Who it's for
The D2 only makes sense for pilots. For everyone else - the fenix.
Verdict: who should buy which
- Pilots - D2 Mach 2.
- Everyone else - fenix 8.
FAQ
How heavy is the D2?
73 g.
How much storage?
32 GB.
Which is cheaper?
The fenix 8.