Detailed comparison and review of Garmin Forerunner 45S and Garmin epix Gen 2 Sapphire. With our comprehensive overview, you can simply compare size, design, functions, battery capacities, but also other key features of both smartwatches and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the watch that best fits your needs and expectations.
| GENERAL | Garmin Forerunner 45S | Garmin epix Gen 2 Sapphire |
|---|
| Product Type | Sport watch | Sport watch |
|---|---|---|
| Supported Host Device OS | iOS, Android | iOS, Android |
| Activity/Sport | - | Multisport |
| Wearing Style | Watch style | Watch style |
| Width | 39.5 mm | - |
| Height | 39.5 mm | - |
| Depth | 11.4 mm | - |
| Weight | 32 g | - |
| Body Details | - | With band: 70 g Case only: 47 g |
| Body Material | - | Titanium, fibre-reinforced polymer |
| Protection | Waterproof | Water-resistant |
| Clock Display | Yes | Yes |
| FEATURES | Garmin Forerunner 45S | Garmin epix Gen 2 Sapphire |
|---|
| Sensors | Accelerometer, heart rate | Accelerometer, barometer, altimeter, optical heart sensor, 3-axis electronic compass |
|---|---|---|
| Tracking Data | Distance, time, speed, calories burned, sleep activity, heart rate, stress level | Distance, speed, calories burned, activity, sleep activity, heart rate, steps taken, blood oxygen saturation, pace, stress level, respiratory rate, active time, water balance |
| Goal Setting | Yes | Yes |
| Features | Music remote handling, find phone function, HR zones, Move IQ, Garmin Connect compatible, Find my Device | Music remote handling, find phone function, VIRB control, inactivity alert, Move IQ, Find my Device, Downloadable workouts, store & play music, rejecting a call, LiveTrack, Physio TrueUp, PacePro pace guidance, animated workouts, weather information, dual grid coordinates format, Body Battery Energy Monitor |
| Notifications | Calendar, Email, social apps | Calendar, SMS, Email, incoming calls, high and low heart rate |
| Vibrating Alert | Yes | Yes |
| Feedback Type | - | Audio alert, vibration alert, visual interface |
| Navigation (GPS) | - | GPS/GLONASS/Galileo receiver |
| Payment Technology | - | Garmin Pay |
| CONNECTIVITY | Garmin Forerunner 45S | Garmin epix Gen 2 Sapphire |
|---|
| Wireless Interface | Bluetooth, ANT+ | Bluetooth, Wi-Fi, ANT+ |
|---|
| DISPLAY | Garmin Forerunner 45S | Garmin epix Gen 2 Sapphire |
|---|
| Type | Memory-in-Pixel LCD - colour - transflective | AMOLED - colour |
|---|---|---|
| Resolution | 208 x 208 pixels | 416 x 416 pixels |
| Screen Size | 1.04" | 1.3" |
| Screen Protection | - | Sapphire glass |
| Always On Display (AOD) | - | Yes |
| INPUT DEVICE | Garmin Forerunner 45S | Garmin epix Gen 2 Sapphire |
|---|
| Type | - | Touch sensitive screen, push buttons |
|---|
| CASE | Garmin Forerunner 45S | Garmin epix Gen 2 Sapphire |
|---|
| Case Shape | Round | Round |
|---|---|---|
| Case Back | - | Titanium |
| Case Details | White | Iris | Black | Black titanium | White titanium |
| BAND | Garmin Forerunner 45S | Garmin epix Gen 2 Sapphire |
|---|
| Band Type | Band | Band |
|---|---|---|
| Band Size | S | - |
| Band Width | - | 22 mm |
| Fits Wrist with Circumference | 124-185 mm | 125-208 mm |
| Changeable | Yes | Yes |
| Clasp Type | Buckle | Buckle |
| Band Material | Silicone | Silicone |
| Band Colour | White | Iris | Black | - |
| STORAGE | Garmin Forerunner 45S | Garmin epix Gen 2 Sapphire |
|---|
| Storage Capacity | - | 32 GB |
|---|
| BATTERY | Garmin Forerunner 45S | Garmin epix Gen 2 Sapphire |
|---|
| Technology | - | Lithium Ion |
|---|---|---|
| Battery Life Details | GPS mode - up to 13 hour(s) Smartwatch mode - up to 7 days |
Smartwatch mode - up to 16 days Battery Saver Watch Mode - up to 21 days GPS mode - up to 42 hour(s) All satellite systems mode - up to 32 hours All satellite systems with music mode - up to 10 hour(s) Max Battery GPS Mode - up to 75 hour(s) Expedition GPS Mode - up to 14 days |
| Rechargeable Battery | - | Yes |
| MISCELLANEOUS | Garmin Forerunner 45S | Garmin epix Gen 2 Sapphire |
|---|
| Included Accessories | Charging/data cable | Charging/data cable |
|---|---|---|
| SAR Value | - | 0.32 W/kg (body), 0.28 W/kg (limb) |
| Max Depth of Water Resistance | 50 m | 100 m |
| Max Operating Temperature | - | 45 °C |
| Min Operating Temperature | - | -20 °C |
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