vs
3.7Display9.0
8.3Health tracking4.9
7.0Build & durability3.0
Why is Fenix 8 47mm Solar better than Tank T3 Ultra?
- Battery life (smartwatch mode)21 days vs 15 days+40%
- Water resistance10 ATM vs 5 ATM2×
Why is Tank T3 Ultra better than Fenix 8 47mm Solar?
- AMOLED / OLED displayNo · Fenix 8 47mm Solar: Yes
- Weight80 g vs 71 g+13%
- Screen size1.3″ vs 1.43″+10%
- Resolution (width)260 px vs 466 px+79%
Specifications
Side by side
| Design & durability | ||
| Case size | 47 mm | — |
| Weight | 80 g | 71 g |
| Thickness | 15.2 mm | — |
| Height | 47 mm | — |
| Width | 47 mm | — |
| Case material | Titanium | — |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Power Sapphire ™ | — |
| Strap material | silicone | — |
| Water resistance | 10 ATM | 5 ATM |
| Water rating (maker) | 10 ATM | 50 m / 5 bar / 5 ATM |
| Rated dive depth | 40 m | — |
| Military-grade (MIL-STD-810) | — | Yes |
| Display | ||
| Screen size | 1.3″ | 1.43″ |
| Display technology | Memory-in-pixel (transflective) | AMOLED |
| Panel | Sunlight-visible, transflective memory-in-pixel | AMOLED |
| AMOLED / OLED display | No | Yes |
| Always-on display | Yes | — |
| Touchscreen | Yes | — |
| Resolution (width) | 260 px | 466 px |
| Resolution (height) | 260 px | 466 px |
| Pixel density | 200 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 21 days | 15 days |
| Battery saver mode | 34 days | — |
| GPS battery life | 67 h | — |
| GPS battery life (dual-band) | 37 h | — |
| Battery type | Lithium ion | — |
| Solar charging | Yes | — |
| Wireless charging | No | — |
| Charging | Garmin proprietary plug charger | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | Yes | — |
| Temperature sensor | Yes | — |
| HRV tracking | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | GPS, GLONASS, Galileo, QZSS, BeiDou, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Ambient light sensor, Depth sensor | heart rate, SpO2, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | — |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | — |
| Offline maps | Yes | — |
| Barometric altimeter | Yes | — |
| Compass | Yes | — |
| Multisport / triathlon mode | Yes | — |
| Sport profiles | 99 | — |
| Dive mode | Yes | — |
| LED flashlight | Yes | — |
| Connectivity | ||
| NFC payments | Yes | — |
| Wi-Fi | Wi-Fi 4 | — |
| Bluetooth | — | 5 |
| ANT+ sensors | Yes | — |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | — |
| Microphone | Yes | — |
| Voice assistant | Yes | — |
| Music on the watch | Yes | — |
| Storage | 32 GB | — |
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | — |
| Platform | Proprietary | — |
| Works with | iOS, Android | iOS, Android |
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