Screen size
Watch Fit 4Winner: 1.8"+18%
Watch Ultimate 21.5"
Quick verdict
Watch Ultimate 2 leads the measured specs 5-4.
Measured wins
Watch Fit 4
4
spec wins
Ties
5
equal specs
Watch Ultimate 2
5
spec wins
Overall winner
Screen size
Technology
Watch Fit 4
No cellular connectivity
Watch Ultimate 2
GSM / HSPA / LTE
2G bands
Watch Fit 4
N/A
Watch Ultimate 2
GSM 850 / 900 / 1800 / 1900
3G bands
Watch Fit 4
N/A
Watch Ultimate 2
HSDPA 850 / 900 / 1900 / 2100
4G bands
Watch Fit 4
N/A
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Watch Ultimate 2
LTE
Speed
Watch Fit 4
No
Watch Ultimate 2
HSPA, LTE
GPRS
Watch Fit 4
No
Watch Ultimate 2
-
EDGE
Watch Fit 4
No
Watch Ultimate 2
-
Announced
Watch Fit 4
2025, May 15
Watch Ultimate 2
2025, September 19
Status
Watch Fit 4
Available. Released 2025, May 26
Watch Ultimate 2
Available. Released 2025, September 29
Dimensions
Watch Fit 4
43 x 38 x 9.5 mm (1.69 x 1.50 x 0.37 in)
Watch Ultimate 2
48.5 x 48.5 x 12.9 mm - Black47.8 x 47.8 x 12.9 mm - Blue
Weight
Watch Fit 4
27 g (0.95 oz)
Watch Ultimate 2
80.5 g (2.86 oz)
Build
Watch Fit 4
Glass front, aluminum alloy frame, plastic back
Watch Ultimate 2
Sapphire crystal front, cerramic bezzel, zirconium front case, ceramic back
SIM
Watch Fit 4
No
Watch Ultimate 2
eSIM
Other
Watch Fit 4
5 ATM water resistant
Watch Ultimate 2
150m swimproof/diving (EN13319, ISO 22810:2010) IP68 dust tight and water resistant (immersible up to 150m/20ATM) ECG certified
Type
Watch Fit 4
AMOLED, 2000 nits (peak)
Watch Ultimate 2
LTPO2 AMOLED, 3500 nits (peak)
Size
Watch Fit 4
1.82 inches
Watch Ultimate 2
1.5 inches
Resolution
Watch Fit 4
480 x 408 pixels (~347 ppi density)
Watch Ultimate 2
466 x 466 pixels (~310 ppi density)
Card slot
Watch Fit 4
No
Watch Ultimate 2
No
Phonebook
Watch Fit 4
No
Watch Ultimate 2
-
Call records
Watch Fit 4
No
Watch Ultimate 2
-
Internal
Watch Fit 4
Unspecified
Watch Ultimate 2
Unspecified
Other
Watch Fit 4
No
Watch Ultimate 2
No
Loudspeaker
Watch Fit 4
Yes
Watch Ultimate 2
Yes
3.5mm jack
Watch Fit 4
No
Watch Ultimate 2
No
WLAN
Watch Fit 4
No
Watch Ultimate 2
Wi-Fi 802.11 a/b/g/n/ac/6
Bluetooth
Watch Fit 4
5.2, LE
Watch Ultimate 2
5.2, A2DP, LE
Positioning
Watch Fit 4
GPS (L1+L5), GALILEO (E1+E5a), QZSS (L1+L5), BDS (B1l+B1C), GLONASS
Watch Ultimate 2
GPS (L1+L5), BDS (B1I+B1c), GALILEO (E1+E5a), QZSS (L1+L5), GLONASS
NFC
Watch Fit 4
Yes (gray model only)
Watch Ultimate 2
Yes
Radio
Watch Fit 4
No
Watch Ultimate 2
No
USB
Watch Fit 4
No
Watch Ultimate 2
No
Sensors
Watch Fit 4
Accelerometer, gyro, heart rate, SpO2, compass, barometer
Watch Ultimate 2
Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature), X-TAP
Messaging
Watch Fit 4
Email, IM
Watch Ultimate 2
-
Games
Watch Fit 4
No
Watch Ultimate 2
-
Java
Watch Fit 4
No
Watch Ultimate 2
-
Other
Watch Fit 4
Pulse wave arrhythmia analysis
Watch Ultimate 2
Sonar-based underwater communication (Nearlink, up to 30m distance) BDS Satellite Messaging - China only Heart Rate Variability (HRV) Arterial Stiffness Detection
Type
Watch Fit 4
Li-Ion 400 mAh
Watch Ultimate 2
Li-Ion 867 mAh
Charging
Watch Fit 4
5W wireless
Watch Ultimate 2
10W wireless
Colors
Watch Fit 4
Black, Silver
Watch Ultimate 2
Black, Blue
Models
Watch Fit 4
SYA-B19
Watch Ultimate 2
MCH-AL00
Price
Watch Fit 4
$ 121.00 / € 104.76
Watch Ultimate 2
€ 849.99
OS
Watch Fit 4
-
Watch Ultimate 2
HarmonyOS 5.1