vs
8.7Display9.7
4.9Health tracking4.9
9.6Build & durability9.4
Why is Balance Ultra better than Tank M4?
- Battery life (smartwatch mode)30 days vs 10 days3×
- Weight57 g vs 60 g+5%
- Resolution (width)480 px vs 410 px+17%
Why is Tank M4 better than Balance Ultra?
- Screen size1.5″ vs 1.96″+31%
Specifications
Side by side
| Design & durability | ||
| Case size | 49 mm | — |
| Weight | 57 g | 60 g |
| Thickness | 13.4 mm | — |
| Height | 51.8 mm | — |
| Width | 51.8 mm | — |
| Case material | Titanium | — |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Sapphire glass | Gorilla Glas |
| Water resistance | 10 ATM | 10 ATM |
| Water rating (maker) | — | 100 m / 10 bar / 10 ATM |
| Military-grade (MIL-STD-810) | Yes | — |
| Display | ||
| Screen size | 1.5″ | 1.96″ |
| Display technology | AMOLED | AMOLED |
| Panel | AMOLED | AMOLED |
| AMOLED / OLED display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 480 px | 410 px |
| Resolution (height) | 480 px | 502 px |
| Pixel density | 323 ppi | — |
| Peak brightness | 3,000 nits | — |
| Battery | ||
| Battery life (smartwatch mode) | 30 days | 10 days |
| GPS battery life (dual-band) | 50 h | — |
| Battery capacity | 780 mAh | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | — | Yes |
| Temperature sensor | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | — | heart rate, SpO2 |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | — |
| Satellite systems | — | GPS |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Sport profiles | 180 | — |
| LED flashlight | Yes | — |
| Connectivity | ||
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | 5.2 | 5.3 |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | — |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | 64 GB | — |
| Platform | ||
| Operating system | Zepp OS | — |
| Platform | Proprietary | — |
| Works with | Android, iOS | iOS, Android |
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