Amazfit GTR 4 Limited Edition vs Garmin Instinct 3 45mm Solar Tactical Edition
Size, specs & wrist fit compared
Which one fits you
Under 16.5 cm (6.5 in) round, the Amazfit GTR 4 Limited Edition's lugs overhang and the Garmin Instinct 3 45mm Solar Tactical Edition's do not; the Garmin Instinct 3 45mm Solar Tactical Edition fills the wrist at 17–19 cm, the Amazfit GTR 4 Limited Edition at 17.5–19.5 cm.
What else differs
- Screen: the Amazfit GTR 4 Limited Edition uses a bright AMOLED screen, the Garmin Instinct 3 45mm Solar Tactical Edition a memory-in-pixel screen that is easy to read in sunlight and sips battery.
- Battery: 28 days for the Garmin Instinct 3 45mm Solar Tactical Edition against 14 days for the Amazfit GTR 4 Limited Edition in everyday use.
- Only the Garmin Instinct 3 45mm Solar Tactical Edition has solar charging and contactless payments (NFC).
3.7mm thinner, the Amazfit GTR 4 Limited Edition is the one that slides under a shirt cuff.
The Amazfit GTR 4 Limited Edition is 1mm wider, 3.7mm thinner and 3g lighter than the Garmin Instinct 3 45mm Solar Tactical Edition.
Amazfit
GTR 4 Limited Edition
Garmin
Instinct 3 45mm Solar Tactical Edition
Amazfit GTR 4 Limited Edition or Garmin Instinct 3 45mm Solar Tactical Edition by wrist size
| Wrist round (mm left each side) | Amazfit GTR 4 Limited Edition≈53mm lug to lug, est. | Garmin Instinct 3 45mm Solar Tactical Edition≈51.5mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Overhangs (3.9mm over) | Overhangs (3.2mm over) |
| 15 cm / 5.9 in | Overhangs (2.3mm over) | Overhangs (1.6mm over) |
| 16 cm / 6.3 in | Overhangs (0.7mm over) | Bold (0.1mm) |
| 17 cm / 6.7 in | Bold (0.9mm) | Sweet spot (1.7mm) |
| 18 cm / 7.1 in | Sweet spot (2.5mm) | Sweet spot (3.3mm) |
| 19 cm / 7.5 in | Sweet spot (4.1mm) | Balanced (4.9mm) |
| 20 cm / 7.9 in | Balanced (5.8mm) | Balanced (6.5mm) |
Switch or add watches
Amazfit
GTR 4 Limited Edition
Garmin
Instinct 3 45mm Solar Tactical Edition
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Battery life compared
Furthest apart in Battery saver mode, where the Garmin Instinct 3 45mm Solar Tactical Edition lasts 2.3× as long as the Amazfit GTR 4 Limited Edition (65 days against 28 days).
Amazfit GTR 4 Limited EditionGarmin Instinct 3 45mm Solar Tactical Edition
Battery saver
28 days65 daysExpedition
—36 daysSmartwatch
14 days28 daysHeavy use
192 hours—Max battery GPS
—100 hoursGPS only
—40 hours +130 hoursAll systems
—28 hours +50 hoursAll systems + multi-band
—24 hours +40 hours
Amber figures are the solar-assisted runtime the manufacturer publishes for that mode.
More comparisons
2D Dimension Schematics
- Amazfit GTR 4 Limited Edition 46mm × ≈53mm (est.) · 11.2mm thick
- Garmin Instinct 3 45mm Solar Tactical Edition 45mm × ≈51.5mm (est.) · 14.9mm thick
3D preview
Amazfit GTR 4 Limited Edition vs Garmin Instinct 3 45mm Solar Tactical Edition on a wrist
Specifications
The short version
6 key specs| Spec | AmazfitGTR 4 Limited Edition | GarminInstinct 3 45mm Solar Tactical Edition |
|---|---|---|
| Case Width | 46mm | 45mm |
| Thickness | 11.2mm | 14.9mm |
| Weight | 49g | 52g |
| Shape | Circular | Circular |
| Display type | OLED/AMOLED | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) |
| Released | 2023 | 2025 |