vs
2.9Display6.8
2.2Battery life3.1
4.9Health tracking4.9
4.8Sports & outdoor5.6
6.5Smart features6.5
Dimensions
Size comparison
Descent Mk2SPro 3 Ultra
| Descent Mk2S | Pro 3 Ultra | Difference | |
|---|---|---|---|
| Height | 43 mm | 47 mm | −4 mm |
| Width | 43 mm | 48 mm | −5 mm |
| Thickness | 14.2 mm | 12.2 mm | +2 mm |
| Weight | 60 g | 41 g | +19 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Descent Mk2S better than Pro 3 Ultra?
- Battery life (smartwatch mode)7 days vs 3 days2.3×
- Storage32 GB vs 8 GB4×
Why is Pro 3 Ultra better than Descent Mk2S?
- AMOLED / OLED displayNo · Descent Mk2S: Yes
- Weight60 g vs 41 g+46%
- Screen size1.2″ vs 1.4″+17%
- Resolution (width)240 px vs 454 px+89%
- Thickness14.2 mm vs 12.2 mm+16%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | — |
| Weight | 60 g | 41 g |
| Thickness | 14.2 mm | 12.2 mm |
| Height | 43 mm | 47 mm |
| Width | 43 mm | 48 mm |
| Case material | Stainless steel | Stainless steel |
| Sapphire crystal | Yes | — |
| Lens / cover glass | sapphire crystal | Gorillaglas |
| Strap material | silicone | Kautschuk |
| Water resistance | 10 ATM | — |
| Water rating (maker) | Dive (100 meters) | — |
| Rated dive depth | 100 m | — |
| Colours | — | Black |
| Display | ||
| Screen size | 1.2″ | 1.4″ |
| 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) | 240 px | 454 px |
| Resolution (height) | 240 px | 454 px |
| Pixel density | 200 ppi | — |
| Battery | ||
| Battery life (smartwatch mode) | 7 days | 3 days |
| Battery saver mode | 21 days | — |
| GPS battery life | 18 h | — |
| Battery life (hours) | — | 72 h |
| Battery capacity | — | 577 mAh |
| Wireless charging | No | — |
| Charging | Garmin proprietary clip charger | — |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| Temperature sensor | Yes | — |
| HRV tracking | Yes | — |
| Sleep tracking | Yes | Yes |
| Sensors | GPS, GLONASS, Galileo, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer, Depth sensor | heart rate, SpO2, barometer, accelerometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO | GPS, GLONASS, GALILEO, BDS, QZSS |
| Offline maps | Yes | — |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | — |
| Multisport / triathlon mode | Yes | Yes |
| Sport profiles | 44 | — |
| Dive mode | Yes | — |
| Connectivity | ||
| NFC payments | Yes | Yes |
| Wi-Fi | Wi-Fi 4 | Wi-Fi 4 |
| Bluetooth | — | 5 |
| ANT+ sensors | Yes | — |
| Smart features | ||
| Speaker | — | Yes |
| Microphone | — | Yes |
| Music on the watch | Yes | Yes |
| Storage | 32 GB | 8 GB |
| RAM | — | 1 GB |
| Third-party apps | Yes | — |
| Platform | ||
| Operating system | Garmin OS | Wear OS by Google |
| Platform | Proprietary | Wear OS |
| Works with | iOS, Android | — |
| Chipset | — | Qualcomm Snapdragon Wear 4100 |
