vs
7.5Display2.1
Dimensions
Size comparison
Epix Pro (Gen 2) Sapphire Edition 51mmFlex Smart
| Epix Pro (Gen 2) Sapphire Edition 51mm | Flex Smart | Difference | |
|---|---|---|---|
| Case size | 51 mm | 44 mm | +7 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Epix Pro (Gen 2) Sapphire Edition 51mm better than Flex Smart?
- AMOLED / OLED displayYes · Flex Smart: No
- Screen size1.4″ vs 1.1″+27%
Why is Flex Smart better than Epix Pro (Gen 2) Sapphire Edition 51mm?
Flex Smart has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | 51 mm | 44 mm |
| Weight | 88 g | — |
| Thickness | 15 mm | — |
| Height | 51 mm | — |
| Width | 51 mm | — |
| Case material | Titanium | — |
| Sapphire crystal | Yes | — |
| Lens / cover glass | sapphire crystal | — |
| Strap material | silicone | Silikon, Edelstahl |
| Water resistance | 10 ATM | — |
| Water rating (maker) | 10 ATM | — |
| Colours | — | Silver, Red |
| Display | ||
| Screen size | 1.4″ | 1.1″ |
| Display technology | AMOLED | LCD |
| Panel | AMOLED | LCD |
| AMOLED / OLED display | Yes | No |
| Touchscreen | Yes | — |
| Resolution (width) | 454 px | — |
| Resolution (height) | 454 px | — |
| Pixel density | 324 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 31 days | — |
| Battery life with always-on display | 11 days | — |
| Battery saver mode | 41 days | — |
| GPS battery life | 82 h | — |
| GPS battery life (dual-band) | 38 h | — |
| Battery capacity | — | 150 mAh |
| Battery type | Lithium ion | — |
| Wireless charging | No | — |
| Charging | Garmin proprietary plug charger | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | — |
| ECG | Yes | — |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| HRV tracking | Yes | — |
| Sleep tracking | Yes | — |
| Sensors | GPS, GLONASS, Galileo, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor | — |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO | — |
| Offline maps | Yes | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Multisport / triathlon mode | Yes | — |
| Sport profiles | 99 | — |
| LED flashlight | Yes | Yes |
| Connectivity | ||
| NFC payments | Yes | — |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | — | 2 |
| ANT+ sensors | Yes | — |
| Smart features | ||
| Music on the watch | Yes | — |
| Storage | 32 GB | — |
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | — |
| Platform | Proprietary | — |
| Works with | iOS, Android | iOS, Android |
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