Amazfit Cheetah Square vs Garmin Instinct E 40mm
Size, specs & wrist fit compared
Which one fits you
Under 14.5 cm (5.7 in) round, the Garmin Instinct E 40mm's lugs overhang and the Amazfit Cheetah Square's do not; the Amazfit Cheetah Square fills the wrist at 14.5–16 cm, the Garmin Instinct E 40mm at 15–17 cm.
What else differs
- Screen: the Amazfit Cheetah Square uses a bright AMOLED screen, the Garmin Instinct E 40mm a memory-in-pixel screen that is easy to read in sunlight and sips battery.
- Battery: 14 days for the Garmin Instinct E 40mm against 8 days for the Amazfit Cheetah Square in everyday use; 21 hours for the Garmin Instinct E 40mm against 13 hours for the Amazfit Cheetah Square with GPS on.
3.7mm thinner, the Amazfit Cheetah Square is the one that slides under a shirt cuff.
Among the 40 smartwatches 40mm across that we hold thickness for, the Garmin Instinct E 40mm is thicker than 98%, so it sits higher on the wrist than most of its size.
The Garmin Instinct E 40mm is 1.3mm wider, 3.7mm thicker and 4g heavier than the Amazfit Cheetah Square.
Amazfit
Cheetah Square
Garmin
Instinct E 40mm
Amazfit Cheetah Square or Garmin Instinct E 40mm by wrist size
| Wrist round (mm left each side) | Amazfit Cheetah Square | Garmin Instinct E 40mm≈46mm lug to lug, est. |
|---|---|---|
| 14 cm / 5.5 in | Bold (0.6mm) | Overhangs (0.4mm over) |
| 15 cm / 5.9 in | Sweet spot (2.2mm) | Bold (1.2mm) |
| 16 cm / 6.3 in | Sweet spot (3.8mm) | Sweet spot (2.8mm) |
| 17 cm / 6.7 in | Balanced (5.4mm) | Balanced (4.4mm) |
| 18 cm / 7.1 in | Balanced (7mm) | Balanced (6mm) |
| 19 cm / 7.5 in | Balanced (8.6mm) | Balanced (7.6mm) |
| 20 cm / 7.9 in | Understated (10.3mm) | Balanced (9.3mm) |
Switch or add watches
Amazfit
Cheetah Square
Garmin
Instinct E 40mm
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Battery life compared
Amazfit Cheetah SquareGarmin Instinct E 40mm
Battery saver
—35 daysExpedition
—17 daysSmartwatch
8 days14 daysMax battery GPS
—43 hoursGPS only
13 hours21 hoursAll systems
—14 hours
More comparisons
2D Dimension Schematics
- Amazfit Cheetah Square 38.7mm × 44mm · 9.9mm thick
- Garmin Instinct E 40mm 40mm × ≈46mm (est.) · 13.6mm thick
3D preview
Amazfit Cheetah Square vs Garmin Instinct E 40mm on a wrist
Specifications
The short version
7 key specs| Spec | AmazfitCheetah Square | GarminInstinct E 40mm |
|---|---|---|
| Case Width | 38.7mm | 40mm |
| Lug-to-Lug | 44mm | 40mm |
| Thickness | 9.9mm | 13.6mm |
| Weight | 37g | 41g |
| Shape | Rectangle | Circular |
| Display type | OLED/AMOLED | Monochrome, sunlight-visible, transflective memory-in-pixel (MIP) |
| Released | 2023 | 2025 |