Garmin Enduro 4 (51 mm): 010-04799-00 · titanium bezel / dark olive ComfortFit fabric band
Apple Watch Series 9 (45 mm, GPS, aluminium): 45 mm aluminium case, GPS model; Pink, Midnight, Starlight, Silver and (PRODUCT)RED. The 41 mm, GPS + Cellular and stainless steel (sapphire crystal) versions differ in size and materials.
| Specification | Garmin Enduro 4 (51 mm) | Apple Watch Series 9 (45 mm, GPS, aluminium) |
|---|---|---|
| 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 LTPO OLED; up to 2000 nits, as low as 1 nit; 326 ppi 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 | 64 GB Apple |
| 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 | — |
| 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 | — |
| Chip | — | S9 SiP; 64-bit dual-core processor, 4-core Neural Engine Apple |
| Controls | — | Digital Crown with haptic feedback, side button, double tap gesture Apple |
| Health sensors | — | Electrical heart sensor, third-generation optical heart sensor, temperature sensing Apple |
| Blood Oxygen (US) | — | On watches sold in the US without the feature, a redesigned version arrives with iOS 18.6.1 and watchOS 11.6.1; the reading is calculated on iPhone Apple |
| Other sensors | — | Compass, always-on altimeter, high-g accelerometer, high dynamic range gyroscope, ambient light sensor Apple |
| Location | — | L1 GPS, GNSS, Galileo and BeiDou Apple |
| Wireless | — | Wi-Fi 4 (802.11n), Bluetooth 5.3, second-generation Ultra Wideband Apple |
| Battery and charging | — | Up to 18 hours normal use, up to 36 hours in Low Power Mode; fast charge to about 80% in 45 minutes Apple |
| Durability | — | 50 m water resistant (ISO 22810:2010); IP6X dust resistant; Ion-X front glass Apple |
| Size and weight | — | 45 × 38 × 10.7 mm; 38.7 g; fits 140–245 mm wrists Apple |
| Compatibility | — | iPhone XS or later with iOS 17 or later Apple |