In 2026, both Garmin Fenix 8 and Levels Continuous Glucose Monitor (CGM) offer advanced features for fitness enthusiasts. The Garmin Fenix 8 focuses on comprehensive tracking of outdoor activities with detailed health analytics, while the Levels CGM specializes in metabolic insights and personalized nutrition recommendations.
| Feature | Garmin Fenix 8 | Levels CGM |
|---|---|---|
| Battery Life (Max) | 72 hours | 10 days CGM + 7 days app |
| Water Resistance Depth | 10 ATM | 5 ATM |
| Price Range | $599 - $849 | $299 - $349 per month subscription |
| Activity Tracking Modes | 35+ | Limited features |
| Heart Rate Monitoring | Yes, advanced analysis | Basic monitoring only |
| Real-time Glucose Data | No | Yes |