Why is Tank M4 better than Core 2?
- AMOLED / OLED displayYes · Core 2: No
- Screen size1.96″ vs 1.3″+51%
- Weight60 g vs 64 g+7%
Why is Core 2 better than Tank M4?
Core 2 has no measurable advantages in this pair.
Specifications
Side by side
| Design & durability | ||
| Case size | — | 49 mm |
| Weight | 60 g | 64 g |
| Thickness | — | 14.8 mm |
| Height | — | 49 mm |
| Width | — | 49 mm |
| Case material | — | Plastic / polymer |
| Lens / cover glass | Gorilla Glas | Gorilla Glas |
| Strap material | — | Silikon |
| Water resistance | 10 ATM | 10 ATM |
| Water rating (maker) | 100 m / 10 bar / 10 ATM | 100 m / 10 bar / 10 ATM |
| Colours | — | Black |
| Display | ||
| Screen size | 1.96″ | 1.3″ |
| Display technology | AMOLED | — |
| Panel | AMOLED | LED |
| AMOLED / OLED display | Yes | No |
| Resolution (width) | 410 px | — |
| Resolution (height) | 502 px | — |
| Battery | ||
| Battery life (smartwatch mode) | 10 days | — |
| Battery type | — | CR3032 coin cell battery |
| Health sensors | ||
| Optical heart rate | Yes | — |
| Blood oxygen (SpO2) | Yes | — |
| ECG | Yes | — |
| Temperature sensor | — | Yes |
| Sleep tracking | Yes | — |
| Sensors | heart rate, SpO2 | barometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Satellite systems | GPS | — |
| Barometric altimeter | — | Yes |
| Compass | — | Yes |
| Connectivity | ||
| Bluetooth | 5.3 | — |
| Platform | ||
| Operating system | — | Suunto OS |
| Platform | — | Proprietary |
| Works with | iOS, Android | — |
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