Dimensions
Size comparison
GBD-300Halo
| GBD-300 | Halo | Difference | |
|---|---|---|---|
| Case size | 49 mm | 42 mm | +7 mm |
| Thickness | 14.9 mm | 10 mm | +4.9 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is GBD-300 better than Halo?
GBD-300 has no measurable advantages in this pair.
Why is Halo better than GBD-300?
- AMOLED / OLED displayNo · GBD-300: Yes
- Thickness14.9 mm vs 10 mm+49%
Specifications
Side by side
| Design & durability | ||
| Case size | 49 mm | 42 mm |
| Thickness | 14.9 mm | 10 mm |
| Case material | Plastic / polymer | — |
| Lens / cover glass | Mineralglas Mineralglas | — |
| Strap material | Kunststoff, Resin | Leder |
| Water resistance | 20 ATM | — |
| Water rating (maker) | 200 m / 20 bar / 20 ATM | — |
| Display | ||
| Screen size | — | 1.43″ |
| Display technology | LCD | AMOLED |
| Panel | LED | AMOLED |
| AMOLED / OLED display | No | Yes |
| Always-on display | — | Yes |
| Resolution (width) | — | 466 px |
| Resolution (height) | — | 466 px |
| Battery | ||
| Battery life (smartwatch mode) | — | 7 days |
| Battery capacity | — | 300 mAh |
| Health sensors | ||
| Optical heart rate | — | Yes |
| Sensors | accelerometer | — |
| Connectivity | ||
| Bluetooth | 4 | 5.3 |
