vs
3.8Display2.6
8.2Battery life7.6
4.9Health tracking4.9
4.6Sports & outdoor6.5
4.7Build & durability5.8
Dimensions
Size comparison
Apex 4 (46mm)Instinct 3 45mm Solar Tactical Edition
| Apex 4 (46mm) | Instinct 3 45mm Solar Tactical Edition | Difference | |
|---|---|---|---|
| Height | 46.2 mm | 45 mm | +1.2 mm |
| Width | 46.2 mm | 45 mm | +1.2 mm |
| Thickness | 13.7 mm | 14.9 mm | −1.2 mm |
| Weight | 64 g | 52 g | +12 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Apex 4 (46mm) better than Instinct 3 45mm Solar Tactical Edition?
- GPS battery life53 h vs 40 h+32%
- Storage32 GB vs 0.12 GB266.7×
- Sapphire crystalYes · Instinct 3 45mm Solar Tactical Edition: No
- GPS battery life (dual-band)41 h vs 24 h+71%
- Screen size1.3″ vs 1.27″+2%
- Resolution (width)260 px vs 176 px+48%
- Pixel density200 ppi vs 139 ppi+44%
- Thickness13.7 mm vs 14.9 mm+9%
Why is Instinct 3 45mm Solar Tactical Edition better than Apex 4 (46mm)?
- Water resistance5 ATM vs 10 ATM2×
- Battery life (smartwatch mode)24 days vs 28 days+17%
- Sport profiles36 vs 952.6×
- Weight64 g vs 52 g+23%
Specifications
Side by side
| Design & durability | ||
| Case size | 46 mm | 45 mm |
| Weight | 64 g | 52 g |
| Thickness | 13.7 mm | 14.9 mm |
| Height | 46.2 mm | 45 mm |
| Width | 46.2 mm | 45 mm |
| Case material | Titanium | Aluminium |
| Sapphire crystal | Yes | No |
| Lens / cover glass | Sapphire Glass | Power Glass ™ |
| Strap material | Silicone / Nylon | silicone |
| Water resistance | 5 ATM | 10 ATM |
| Water rating (maker) | 5 ATM | 10 ATM |
| Display | ||
| Screen size | 1.3″ | 1.27″ |
| Display technology | Memory-in-pixel (transflective) | Memory-in-pixel (transflective) |
| Panel | 3rd Generation Memory-in-Pixel touch screen | Monochrome, sunlight-visible, transflective memory-in-pixel |
| AMOLED / OLED display | No | No |
| Always-on display | Yes | Yes |
| Touchscreen | Yes | — |
| Resolution (width) | 260 px | 176 px |
| Resolution (height) | 260 px | 176 px |
| Pixel density | 200 ppi | 139 ppi |
| Battery | ||
| Battery life (smartwatch mode) | 24 days | 28 days |
| Battery saver mode | — | 65 days |
| GPS battery life | 53 h | 40 h |
| GPS battery life (dual-band) | 41 h | 24 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 | — |
| 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., Microphone to record training logs, use voice commands, and save Voice Pins, Optical Heart Rate Monitor, Barometric Altimeter, Accelerometer, Gyroscope, 3D Compass, Thermometer ), Optical Pulse Oximeter, Electrical Heart Rate Sensor for HRV and Wellness Checks | GPS, GLONASS, Galileo, SatIQ technology, Elevate wrist heart rate monitor, Pulse Ox blood oxygen saturation monitor, Barometric altimeter, Compass, Gyroscope, Accelerometer, Thermometer |
| Sports & navigation | ||
| Built-in GPS | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite systems | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO |
| Offline maps | Yes | — |
| Barometric altimeter | Yes | Yes |
| Compass | Yes | Yes |
| Multisport / triathlon mode | Yes | Yes |
| Sport profiles | 36 | 95 |
| LED flashlight | — | Yes |
| Connectivity | ||
| NFC payments | — | Yes |
| Wi-Fi | Wi-Fi 4 | — |
| ANT+ sensors | — | Yes |
| Smart features | ||
| Calls from the wrist | Yes | — |
| Speaker | Yes | — |
| Microphone | Yes | — |
| Music on the watch | Yes | — |
| Storage | 32 GB | 0.12 GB |
| Third-party apps | — | Yes |
| Platform | ||
| Operating system | — | Garmin OS |
| Platform | Proprietary | Proprietary |
| Works with | — | iOS, Android |
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