Garmin Enduro 4 (51 mm): 010-04799-00 · titanium bezel / dark olive ComfortFit fabric band
Amazfit T-Rex 3 (48 mm): 48.5 mm case, 1.5-inch AMOLED; Onyx (black), Lava and Gray colours. The T-Rex 3 Pro, T-Rex 2 and the T-Rex Ultra 2 are separate models.
| Specification | Garmin Enduro 4 (51 mm) | Amazfit T-Rex 3 (48 mm) |
|---|---|---|
| Release year | 2026 | 2024 |
| Announcement and sales | Announced 6 October 2026; Garmin's press release states it is available now Garmin | — |
| Model code | 010-04799-00; 51 mm with dark olive ComfortFit fabric band Garmin | — |
| Display | 1.4-inch (35.56 mm) colour, sunlight-visible transflective MIP; 280 x 280 pixels; touchscreen Garmin | 1.5-inch AMOLED, 480 × 480 pixels, 322 ppi; Gorilla Glass touchscreen Amazfit |
| Lens | Power Sapphire (solar-charging sapphire lens) Garmin | — |
| Case and bezel | Fibre-reinforced polymer case; titanium bezel; 51 x 51 x 15.7 mm Garmin | — |
| Weight | 66 g; case only 57 g Garmin | 68.3 g (without strap) Amazfit |
| Band | ComfortFit fabric band; QuickFit compatible (26 mm); ComfortFit Medium fits 145-220 mm wrists Garmin | — |
| Storage | 64 GB for music, maps and data Garmin | — |
| Memory | 50% more RAM than Enduro 3 (Garmin claim) Garmin | — |
| Positioning | GPS, GLONASS, Galileo, QZSS, BeiDou; multi-band GPS; SatIQ automatic satellite mode selection Garmin | — |
| Sensors | Elevate wrist heart rate, Pulse Ox, barometric altimeter, compass, gyroscope, accelerometer, thermometer, ambient light sensor; skin temperature Garmin | BioTracker 6.0 PPG biometric sensor; accelerometer, gyroscope, magnetometer, barometric altimeter, ambient light, temperature sensor Amazfit |
| ECG | Garmin ECG app; available only in selected regions and for adults aged 22 and over Garmin | — |
| Flashlight | LED flashlight with white and red light Garmin | — |
| Battery type | Built-in rechargeable lithium-ion battery Garmin | — |
| Battery: smartwatch | Up to 36 days in smartwatch mode; 90 days with solar. Low-power watch mode 92 days; unlimited with solar. Expedition mode 77 days Garmin | — |
| Battery: activity | Normal/Balanced 80 hours (144 with solar); Max Accuracy 60 (90); Extended 120 (320); Max Battery 210 hours (unlimited with solar); with music 22 hours (25) Garmin | — |
| Solar charging assumptions | Garmin's figures assume 3 hours per day outdoors at 50,000 lux in smartwatch mode and continuous 50,000 lux in activity modes Garmin | — |
| Charging | Garmin proprietary charging cable; USB-C computer port or an adapter rated at least 5 W Garmin | — |
| Water resistance | 10 ATM; withstands pressure equivalent to 100 m depth Garmin | — |
| Connectivity | Bluetooth, ANT+, Wi-Fi; pairs with iPhone and Android Garmin | Bluetooth 5.2 (BLE), 2.4 GHz Wi-Fi; microphone; music storage Amazfit |
| Payments and music | Garmin Pay contactless payments; offline music from Spotify, Deezer and Amazon Music (subscription may be required) Garmin | — |
| Maps | Preloaded multicontinent TopoActive maps; on-watch routing, NextFork, perspective view Garmin | — |
| Training and activities | 100+ activity profiles; grade-adjusted pace targets, stamina zones and curve, Garmin Epic multiday logging Garmin | — |
| Power modes | Power modes selectable during an activity: Max Accuracy, Balanced, Extended, Max Battery Garmin | — |
| Operating temperature | -20 to 45 °C operating and storage; charging 0 to 45 °C Garmin | — |
| Radio | 2400-2483.5 MHz (< 19 dBm) and 13.56 MHz; M/N A04413 Garmin | — |
| In the box | Enduro 4 with dark olive ComfortFit fabric band; charging/data cable; documentation Garmin | — |
| Case and strap | — | 48.5 × 48.5 × 13.75 mm; stainless-steel bezel, polymer middle frame; 4 buttons; 22 mm liquid-silicone strap for 145–210 mm wrists Amazfit |
| Water and diving | — | 10 ATM; freediving to 45 metres (147 ft) certified to EN 13319, ISO 6425 and GB/T 18828 Amazfit |
| Battery | — | 700 mAh; 27 days typical, 13 days heavy use, 40 days battery saver, 81 days clock mode; 42 hours in accuracy GPS mode, 72 hours power-saving GPS, 180 hours maximum GPS mode Amazfit |
| Positioning and navigation | — | Dual-band and single-band modes; 6 satellite systems; offline maps, turn-by-turn directions, route import, back-to-start and off-route alerts Amazfit |
| Sports and health | — | 170+ sports modes (177 listed); recognition of 25 strength and 8 sports movements; 24-hour heart rate, blood oxygen and stress; sleep stages; PAI; Zepp Coach Amazfit |
| Compatibility | — | Android 7.0 and later, iOS 14.0 and later; Zepp app Amazfit |