vs
4.0Display9.0
5.0Health tracking8.6
2.5Smart features7.9
Dimensions
Size comparison
BT103Galaxy Watch Ultra
| BT103 | Galaxy Watch Ultra | Difference | |
|---|---|---|---|
| Height | 49.5 mm | 47.4 mm | +2.1 mm |
| Width | 40 mm | 47.4 mm | −7.4 mm |
| Thickness | 10.9 mm | 12.1 mm | −1.2 mm |
| Weight | 100 g | 60 g | +40 g |
Drawn to the same scale from the official dimensions (front and side).
Why is BT103 better than Galaxy Watch Ultra?
- Screen size1.91″ vs 1.5″+27%
- Thickness10.9 mm vs 12.1 mm+11%
Why is Galaxy Watch Ultra better than BT103?
- Built-in GPSNo · BT103: Yes
- AMOLED / OLED displayNo · BT103: Yes
- NFC paymentsNo · BT103: Yes
- LTE (cellular)No · BT103: Yes
- Weight100 g vs 60.5 g+65%
- eSIMNo · BT103: Yes
- SpeakerNo · BT103: Yes
- Battery capacity300 mAh vs 590 mAh+97%
- Resolution (width)320 px vs 480 px+50%
- Pixel density260 ppi vs 327 ppi+26%
Specifications
Side by side
| Design & durability | ||
| Case size | 50 mm | 47 mm |
| Weight | 100 g | 60.5 g |
| Thickness | 10.9 mm | 12.1 mm |
| Height | 49.5 mm | 47.4 mm |
| Width | 40 mm | 47.4 mm |
| Case material | — | Titanium |
| Sapphire crystal | — | Yes |
| Lens / cover glass | Tempered glass | Sapphire crystal glass |
| Strap material | — | Silikon |
| Water resistance | — | 10 ATM |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Water rating (maker) | — | 100 m / 10 bar / 10 ATM |
| Military-grade (MIL-STD-810) | — | Yes |
| Colours | Black, White | Titanium Sliver, Titanium Gray, Titanium White, Titanium Blue |
| Display | ||
| Screen size | 1.91″ | 1.5″ |
| Display technology | LCD | AMOLED |
| Panel | TFT LCD | Super AMOLED |
| AMOLED / OLED display | No | Yes |
| Resolution (width) | 320 px | 480 px |
| Resolution (height) | 380 px | 480 px |
| Pixel density | 260 ppi | 327 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| Battery | ||
| Battery capacity | 300 mAh | 590 mAh |
| Battery type | — | Li-Ion |
| Wireless charging | — | Yes |
| Charging | — | kabellos, magnetisches Ladekabel, magnetische Ladeschale |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | — | Yes |
| Sleep tracking | — | Yes |
| Sensors | Accelerometer, heart rate, SpO2 | Accelerometer, gyro, heart rate, barometer, altimeter, compass, SpO2, temperature (body), temperature (water), BioActive |
| Sports & navigation | ||
| Built-in GPS | No | Yes |
| Dual-band GPS | — | Yes |
| Satellite systems | — | GLONASS, GALILEO, BDS |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Multisport / triathlon mode | — | Yes |
| Connectivity | ||
| NFC payments | No | Yes |
| LTE (cellular) | No | Yes |
| eSIM | No | Yes |
| Wi-Fi | — | Wi-Fi 4 |
| Bluetooth | 5.2 | 5.3 |
| Smart features | ||
| Calls from the wrist | — | Yes |
| Speaker | No | Yes |
| Voice assistant | — | Yes |
| Music on the watch | — | Yes |
| Storage | — | 64 GB |
| RAM | — | 2 GB |
| Platform | ||
| Operating system | Proprietary OS | Android Wear OS 5 |
| Platform | Proprietary | Android |
| Works with | — | Android |
| Chipset | — | Exynos W1000 |
