Garmin Enduro 4 (51 mm): 010-04799-00 · titanium bezel / dark olive ComfortFit fabric band
Apple Watch Ultra 2: Apple Watch Ultra 2, 49 mm titanium case, GPS + Cellular; natural (2023) and black titanium added in 2024. Band options (Alpine Loop, Trail Loop, Ocean Band, Titanium Milanese Loop) vary by size. The Apple Watch Ultra (2022) and Ultra 3 (2025) are separate models.
| Specification | Garmin Enduro 4 (51 mm) | Apple Watch Ultra 2 |
|---|---|---|
| Release year | 2026 | 2023 |
| 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 | Always-On Retina LTPO2 OLED; 410 × 502 pixels, 326 ppi; 1,185 mm² display area Apple |
| 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 | — |
| 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 | Electrical heart sensor; third-generation optical heart sensor; temperature sensor; depth gauge; water temperature sensor; compass; always-on altimeter Apple |
| 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 | — |
| 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 | — | 49 mm, Grade 5 titanium; natural or black; 49 × 44 × 12 mm Apple |
| Glass | — | Flat sapphire crystal front Apple |
| Chip and storage | — | S9 SiP (64-bit dual-core processor, 4-core Neural Engine); 64 GB Apple |
| Location | — | L1 + L5 dual-frequency GPS; GLONASS, Galileo, QZSS, BeiDou Apple |
| Diving and durability | — | 100 m water resistance under ISO 22810:2010 (WR100); recreational scuba diving to 40 m under EN13319; IP6X under IEC 60529; MIL-STD 810H testing Apple |
| Cellular and wireless | — | 4G LTE and UMTS; Wi-Fi 4 (802.11n); Bluetooth 5.3; second-generation Ultra Wideband chip Apple |
| Battery and charging | — | Up to 36 hours in normal use and 72 hours in Low Power Mode; fast charge to 80% in about 1 hour; built-in lithium-ion Apple |
| Controls and safety | — | Customisable Action button; Digital Crown with haptic feedback; siren; Emergency SOS, fall and crash detection Apple |
| Compatibility | — | iPhone Xs or later, or iPhone SE (2nd generation or later), with iOS 18 or later Apple |
| Operating conditions | — | On wrist –20 to 55 °C; diving 0–40 °C; altitude –500 to 9,000 m Apple |