Reflex Active Series 31 Smartwatch vs xO GT4 Mini Sport-Smartwatch AMOLED-Display IP68
What Series 31 Smartwatch does better (0) and where GT4 Mini Sport-Smartwatch AMOLED-Display IP68 wins (1) — every spec side by side.
vs
4.9Display6.7
4.9Health tracking4.9
Dimensions
Size comparison
Series 31 SmartwatchGT4 Mini Sport-Smartwatch AMOLED-Display IP68
| Series 31 Smartwatch | GT4 Mini Sport-Smartwatch AMOLED-Display IP68 | Difference | |
|---|---|---|---|
| Case size | 35 mm | 42 mm | −7 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Series 31 Smartwatch better than GT4 Mini Sport-Smartwatch AMOLED-Display IP68?
Series 31 Smartwatch has no measurable advantages in this pair.
Why is GT4 Mini Sport-Smartwatch AMOLED-Display IP68 better than Series 31 Smartwatch?
- Screen size1.19″ vs 1.32″+11%
Specifications
Side by side
| Design & durability | ||
| Case size | 35 mm | 42 mm |
| Case material | Aluminium | — |
| Lens / cover glass | Mineralglas Mineralglas | — |
| Strap material | Aluminium | Silikon |
| Colours | Black | Silver |
| Display | ||
| Screen size | 1.19″ | 1.32″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Sleep tracking | — | Yes |
| Sensors | SpO2 | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS | — |
| Connectivity | ||
| LTE (cellular) | Yes | — |
| Bluetooth | 5.2 | — |
| Platform | ||
| Works with | iOS, Android | iOS, Android |
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