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Amazfit Active Edge vs Garmin Instinct 3 45mm Solar Tactical Edition

Size, specs & wrist fit compared

Amazfit Active Edge
Amazfit Active Edge
Garmin Instinct 3 45mm Solar Tactical Edition Part 010-02934-50
Garmin Instinct 3 45mm Solar Tactical Edition

Which one fits you

Under 16.5 cm (6.5 in) round, the Amazfit Active Edge'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 Active Edge at 17.5–19.5 cm.

What else differs

  • Screen: the Amazfit Active Edge uses an LCD 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 16 days for the Amazfit Active Edge in everyday use; 40 hours for the Garmin Instinct 3 45mm Solar Tactical Edition against 20 hours for the Amazfit Active Edge with GPS on.
  • Only the Garmin Instinct 3 45mm Solar Tactical Edition has solar charging and contactless payments (NFC).

2.9mm thinner, the Amazfit Active Edge is the one that slides under a shirt cuff.

The Amazfit Active Edge is 1.6mm wider, 2.9mm thinner and 18g lighter than the Garmin Instinct 3 45mm Solar Tactical Edition.

Amazfit

Active Edge

Garmin

Instinct 3 45mm Solar Tactical Edition

Case width
46.6mm
45mm−1.6mm
Thickness
12mm
14.9mm+2.9mm
Weight
34g
52g+18g

Amazfit Active Edge or Garmin Instinct 3 45mm Solar Tactical Edition by wrist size

Wrist round (mm left each side)Amazfit Active Edge≈53.5mm lug to lug, est.Garmin Instinct 3 45mm Solar Tactical Edition≈51.5mm lug to lug, est.
14 cm / 5.5 inOverhangs (4.2mm over)Overhangs (3.2mm over)
15 cm / 5.9 inOverhangs (2.6mm over)Overhangs (1.6mm over)
16 cm / 6.3 inOverhangs (0.9mm over)Bold (0.1mm)
17 cm / 6.7 inBold (0.7mm)Sweet spot (1.7mm)
18 cm / 7.1 inSweet spot (2.3mm)Sweet spot (3.3mm)
19 cm / 7.5 inSweet spot (3.9mm)Balanced (4.9mm)
20 cm / 7.9 inBalanced (5.5mm)Balanced (6.5mm)

How the fit model works · Size chart for every wrist

Switch or add watches

Amazfit Active Edge

Amazfit

Active Edge

Garmin Instinct 3 45mm Solar Tactical 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 2.7× as long as the Amazfit Active Edge (65 days against 24 days).

Amazfit Active EdgeGarmin Instinct 3 45mm Solar Tactical Edition

  • Battery saver

    24 days
    65 days
  • Expedition

    —
    36 days
  • Smartwatch

    16 days
    28 days
  • Heavy use

    10 days
    —
  • Max battery GPS

    —
    100 hours
  • GPS only

    20 hours
    40 hours +130 hours
  • All systems

    —
    28 hours +50 hours
  • All 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

Top view
Side view
  • Amazfit Active Edge 46.6mm × ≈53.5mm (est.) · 12mm thick
  • Garmin Instinct 3 45mm Solar Tactical Edition 45mm × ≈51.5mm (est.) · 14.9mm thick

3D preview

Amazfit Active Edge vs Garmin Instinct 3 45mm Solar Tactical Edition on a wrist

Open 3D try-on

Specifications

The short version

6 key specs
SpecAmazfitActive EdgeGarminInstinct 3 45mm Solar Tactical Edition
Case Width46.6mm45mm
Thickness12mm14.9mm
Weight34g52g
ShapeCircularCircular
Display typeLCDMonochrome, sunlight-visible, transflective memory-in-pixel (MIP)
Released20232025