| key specs |
| Display Size | 49mm | 35mm |
| Dial Shape | Rectangle | Round |
| Display Type | OLED Retina | - |
| Ideal For | Unisex | Unisex |
| Strap Colour | - | Black, Chestnut |
| Compatible OS | - | Android, iOS |
| general |
| Brand | Apple | Garmin |
| Model | Watch Ultra | Fenix 6X |
| Release date | September 7, 2022 | November 1, 2019 |
| Model Name | Watch Ultra | Fenix 6X |
| Dial Shape | Rectangle | Round |
| Size | Large | Regular |
| Touchscreen | Yes | Yes |
| Water Resistant | Yes | Yes |
| Water Resistance Depth | 40m | 10 ATM |
| Usage | Fitness & Outdoor | Outdoor |
| Ideal For | Unisex | Unisex |
| Interchangeable Strap | - | Yes |
| Dial Material | - | titanium or Diamond-Like Carbon (DLC) coated titanium |
| Strap Colour | - | Black, Chestnut |
| Dial Colour | - | Carbon Gray DLC, Black DLC, Titanium |
| product details |
| Sensor | Compass, Always-On Altimeter, third-gen optical heart rate sensor, Accelerometer, Gyroscope, and Ambient light sensor | Heart Rate |
| Notification | Yes | Yes |
| Battery Type | Lithium Ion | - |
| Rechargeable Battery | Yes | Yes |
| Closure | - | fiber-reinforced polymer with metal rear cover |
| Stand By Time | - | 21 days |
| connectivity features |
| Call Function | Yes | - |
| Bluetooth | Yes | Yes |
| Wi-Fi | Yes | Yes |
| GPS | Yes | Yes |
| Call Features | International Emergency Calling | - |
| Other Connectivity Features | Emergency SOS | - |
| platform and storage features |
| Operating System | watchOS 9 | - |
| Compatible Operating System | - | Android, iOS |
| camera and display features |
| Display Size | 49mm | 35mm |
| Display Type | OLED Retina | - |
| Backlight Display | Yes | - |
| Other Display Features | LTPO OLED Always-On Retina display | - |
| Display Resolution | - | 280 x 280 |
| Scratch Resistant | - | Yes |
| fitness and watch functions |
| Step Count | Yes | Yes |
| Calorie Count | Yes | Yes |
| Heart Rate Monitor | Yes | Yes |
| Altimeter | Yes | - |
| Compass | Yes | Yes |
| Calendar | Yes | Yes |
| Alarm Clock | Yes | Yes |
| Date & Time Display | Yes | Yes |
| Language | English | - |
| Other Fitness Features | Blood Oxgen Sensor, ECG sensor | GPS speed and distance, Sleep monitoring, Cardio workouts, Strength workouts, Automatic rep counting, Move IQ, TrueUp, All-day Stress Tracking, V02 max, |
| Chronograph | - | Yes |
| Other Watch Functions | - | Incident Detection, LiveTrack, Smart notifications, Find My Phone, Find My Watch, Compatible with Garmin Connect Mobile |
| audio and video features |
| Speaker | Yes | Yes |
| Microphone | Yes | - |
| dimensions |
| Width | - | 51 |
| Height | - | 51 |
| Thickness | - | 14.9 |
| Diameter | - | 35.56 |
| Weight (g) | - | 93.00 |