Amazfit Cheetah Square vs Samsung Galaxy Watch8 LTE 40mm
Size, specs & wrist fit compared
Which one fits you
Both keep their lugs inside any wrist from 13.5 cm (5.3 in) round; the Samsung Galaxy Watch8 LTE 40mm fills the wrist at 14–15.5 cm, the Amazfit Cheetah Square at 14.5–16 cm.
What else differs
- Screen: the Amazfit Cheetah Square has the larger screen, 1.75 in across against 1.34 in on the Samsung Galaxy Watch8 LTE 40mm.
- Battery: 8 days for the Amazfit Cheetah Square against 2 days for the Samsung Galaxy Watch8 LTE 40mm in everyday use.
- Only the Samsung Galaxy Watch8 LTE 40mm has an ECG app, contactless payments (NFC), an LTE version and a sapphire lens.
The Samsung Galaxy Watch8 LTE 40mm is the thinnest of the 40 smartwatches 40mm across that we hold thickness for.
The Samsung Galaxy Watch8 LTE 40mm is 1.7mm wider, 1.3mm shorter, 1.3mm thinner and 7g lighter than the Amazfit Cheetah Square.
Amazfit
Cheetah Square
Samsung
Galaxy Watch8 LTE 40mm
Amazfit Cheetah Square or Samsung Galaxy Watch8 LTE 40mm by wrist size
| Wrist round (mm left each side) | Amazfit Cheetah Square | Samsung Galaxy Watch8 LTE 40mm |
|---|---|---|
| 14 cm / 5.5 in | Bold (0.6mm) | Sweet spot (1.2mm) |
| 15 cm / 5.9 in | Sweet spot (2.2mm) | Sweet spot (2.8mm) |
| 16 cm / 6.3 in | Sweet spot (3.8mm) | Balanced (4.5mm) |
| 17 cm / 6.7 in | Balanced (5.4mm) | Balanced (6.1mm) |
| 18 cm / 7.1 in | Balanced (7mm) | Balanced (7.7mm) |
| 19 cm / 7.5 in | Balanced (8.6mm) | Understated (9.3mm) |
| 20 cm / 7.9 in | Understated (10.3mm) | Understated (10.9mm) |
Switch or add watches
Amazfit
Cheetah Square
Samsung
Galaxy Watch8 LTE 40mm
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Battery life compared
Amazfit Cheetah SquareSamsung Galaxy Watch8 LTE 40mm
Smartwatch
8 days—Battery life
—2 daysGPS only
13 hours—
More comparisons
2D Dimension Schematics
- Amazfit Cheetah Square 38.7mm × 44mm · 9.9mm thick
- Samsung Galaxy Watch8 LTE 40mm 40.4mm × 42.7mm · 8.6mm thick
3D preview
Amazfit Cheetah Square vs Samsung Galaxy Watch8 LTE 40mm on a wrist
Specifications
The short version
11 key specs| Spec | AmazfitCheetah Square | SamsungGalaxy Watch8 LTE 40mm |
|---|---|---|
| Case Width | 38.7mm | 40.4mm |
| Lug-to-Lug | 44mm | 42.7mm |
| Thickness | 9.9mm | 8.6mm |
| Weight | 37g | 30g |
| Shape | Rectangle | Circular |
| Water Resistance | 5 ATM | 5 ATM |
| GPS | Yes | Yes |
| Display type | OLED/AMOLED | OLED/AMOLED |
| Screen size | 1.75 inches | 1.34 inches |
| Battery life | 8 days | 2 days |
| Released | 2023 | 2025 |
Where the specifications differ
25 differences| Spec | Amazfit Cheetah Square | Samsung Galaxy Watch8 LTE 40mm |
|---|---|---|
| Design | ||
| width | 38.7 | 40.4 |
| height | 44 | 42.7 |
| volume | 16.86 cm³ | 14.84 cm³ |
| weight | 37 g | 30 g |
| thickness | 9.9 | 8.6 |
| resolution | 390 x 450 px | 438 x 438 px |
| screen size | 1.75 inches | 1.34 inches |
| pixel density | 341 ppi | 327 ppi |
| water resistance | Waterproof | Water resistant |
| Has sapphire glass display | No | Yes |
| Battery | ||
| battery life | 8 days | 2 days |
| battery power | 240 mAh | 325 mAh |
| has wireless charging | No | Yes |
| Sensors | ||
| Has a temperature sensor | No | Yes |
| Features | ||
| release date | 2023-06-22 | 2025-07-09 |
| Has call control | No | Yes |
| Has ECG technology | No | Yes |
| has fall detection | No | Yes |
| Can be used to answer calls | No | Yes |
| Connectivity | ||
| has NFC | No | Yes |
| has a cellular module | No | Yes |
| Is compatible with iOS | Yes | No |
| App & Software | ||
| Has temperature tracking | No | Yes |
| Activity tracking | ||
| Has multi-sport mode | Yes | No |
| Has a stroke counter for swimming | No | Yes |
The other 76 specifications both list are identical.
Full Amazfit Cheetah Square specifications →Full Samsung Galaxy Watch8 LTE 40mm specifications →

