vs
3.4Display6.4
5.4Battery life3.0
4.9Health tracking8.3
4.6Sports & outdoor2.9
4.8Build & durability4.0
Dimensions
Size comparison
Apex 4 (42mm)Grit X2
| Apex 4 (42mm) | Grit X2 | Difference | |
|---|---|---|---|
| Height | 42.6 mm | 44.7 mm | −2.1 mm |
| Width | 42.6 mm | 44.7 mm | −2.1 mm |
| Thickness | 14 mm | 12.5 mm | +1.5 mm |
| Weight | 56 g | 62 g | −6 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Apex 4 (42mm) better than Grit X2?
- Battery life (smartwatch mode)15 days vs 8 days+88%
- GPS battery life34 h vs 25 h+36%
- Weight56 g vs 62 g+11%
Why is Grit X2 better than Apex 4 (42mm)?
- AMOLED / OLED displayNo · Apex 4 (42mm): Yes
- Resolution (width)240 px vs 416 px+73%
- Screen size1.2″ vs 1.28″+7%
- Pixel density200 ppi vs 325 ppi+62%
- Thickness14 mm vs 12.5 mm+12%
Specifications
Side by side
| Design & durability | ||
| Case size | 43 mm | 45 mm |
| Weight | 56 g | 62 g |
| Thickness | 14 mm | 12.5 mm |
| Height | 42.6 mm | 44.7 mm |
| Width | 42.6 mm | 44.7 mm |
| Case material | Titanium | Stainless steel |
| Sapphire crystal | Yes | — |
| Lens / cover glass | Sapphire Glass | — |
| Strap material | Silicone / Nylon | — |
| Water resistance | 5 ATM | 5 ATM |
| Water rating (maker) | 5 ATM | WR50 |
| Military-grade (MIL-STD-810) | — | Yes |
| Colours | — | Brown Copper, Night Black |
| Display | ||
| Screen size | 1.2″ | 1.28″ |
| Display technology | Memory-in-pixel (transflective) | AMOLED |
| Panel | 3rd Generation Memory-in-Pixel touch screen | AMOLED |
| AMOLED / OLED display | No | Yes |
| Always-on display | Yes | — |
| Touchscreen | Yes | Yes |
| Resolution (width) | 240 px | 416 px |
| Resolution (height) | 240 px | 416 px |
| Pixel density | 200 ppi | 325 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 15 days | 8 days |
| GPS battery life | 34 h | 25 h |
| GPS battery life (dual-band) | 26 h | — |
| Battery capacity | — | 310 mAh |
| Battery type | — | Li-Pol |
| Health sensors | ||
| Optical heart rate | Yes | Yes |
| Blood oxygen (SpO2) | Yes | Yes |
| ECG | Yes | Yes |
| Skin temperature | — | Yes |
| Temperature sensor | Yes | Yes |
| HRV tracking | Yes | Yes |
| Sleep tracking | Yes | Yes |
| Sensors | Speaker to take hands-free calls or play activity alerts out-loud., Dual-Microphone with Noise Reduction, Optical Heart Rate Monitor, Barometric Altimeter, Accelerometer, Gyroscope, 3D Compass, Thermometer ), Optical Pulse Oximeter, Electrical Heart Rate Sensor for HRV and Wellness Checks | Barometer, Magnetometer compass, Accelerometer, Gyroscope |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | — |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | — |
| Offline maps | Yes | Yes |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | — |
| Sport profiles | 36 | — |
| LED flashlight | — | No |
| Connectivity | ||
| Wi-Fi | Wi-Fi 4 | — |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | — |
| Microphone | Yes | — |
| Music on the watch | Yes | — |
| Storage | 32 GB | 32 GB |
| Platform | ||
| Operating system | — | Polar OS |
| Platform | Proprietary | Proprietary |
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