Amazfit Cheetah 2 Ultra vs Apple Watch Ultra 4

Amazfit Cheetah 2 Ultra and Apple Watch Ultra 4 are watches both released in 2026 by different brands, with overlapping phone compatibility. This comparison separates the catalog's listed specifications from missing information and approximate values. It covers 18 fields, including 7 exact differences; it does not choose a winner.

Specifications side by side

FieldAmazfit Cheetah 2 UltraApple Watch Ultra 4
Release year20262026
Case sizes47 mm (approx.)49 mm (approx.)
Display1.5-inch AMOLED, sapphire glassFlat LTPO OLED, Always-On
BrightnessNot listed3000 nits (approx.)
Battery, as listedNot listedUp to 50 hours · 84 hours saver
Operating systemZepp OSwatchOS 27
Phone compatibilityAndroid, iPhoneiPhone
Cellular connectionNoneeSIM · 5G
Water rating5ATM (approx.)Not listed
GlassSapphireSapphire
Case materialNot listedTitanium (natural/black)
GPSDual-frequency GNSSDual-frequency GNSS
MapsYesYes
Payment systemNone listedApple Pay
Plan requirementNot requiredNot required
Listed sensors and featuresHeart rate, SpO2Sleep apnea, ECG, HRV, Readiness score, SpO2, Skin temperature
Safety featuresNone listedCrash detection, depth, Fall detection, Satellite SOS, siren, SOS calling
Hardware flashlightNoNo

"Not listed" means the catalog has no usable value for that field. It does not mean the watch lacks the feature. Approximate values stay visible but do not support the difference count or numeric deltas.

Where they differ

Where they are the same

Which one fits you

Amazfit Cheetah 2 Ultra is listed as a watch compatible with Android, iPhone. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that one model is better in every respect.

Apple Watch Ultra 4 is listed as a watch compatible with iPhone. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that one model is better in every respect.

Information is missing on at least one side for: Brightness, Battery, as listed, Water rating, Case material. Those rows are excluded from the exact difference count.

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