Screen size
U11001.8"
Watch Fit 4Winner: 1.8"+1.1%
Quick verdict
Watch Fit 4 leads the measured specs 9-2.
Measured wins
U1100
2
spec wins
Ties
3
equal specs
Watch Fit 4
9
spec wins
Overall winner
Screen size
Technology
U1100
GSM / UMTS
Watch Fit 4
No cellular connectivity
2G bands
U1100
GSM 900 / 1800 / 1900
Watch Fit 4
N/A
3G bands
U1100
UMTS 2100
Watch Fit 4
N/A
Speed
U1100
Yes, 384 kbps
Watch Fit 4
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
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
No
4G bands
U1100
-
Watch Fit 4
N/A
GPRS
U1100
-
Watch Fit 4
No
EDGE
U1100
-
Watch Fit 4
No
Announced
U1100
2008
Watch Fit 4
2025, May 15
Status
U1100
Discontinued
Watch Fit 4
Available. Released 2025, May 26
Dimensions
U1100
-
Watch Fit 4
43 x 38 x 9.5 mm (1.69 x 1.50 x 0.37 in)
Weight
U1100
Watch Fit 4
27 g (0.95 oz)
SIM
U1100
Mini-SIM
Watch Fit 4
No
Build
U1100
-
Watch Fit 4
Glass front, aluminum alloy frame, plastic back
Other
U1100
-
Watch Fit 4
5 ATM water resistant
Type
U1100
TFT, 65K colors
Watch Fit 4
AMOLED, 2000 nits (peak)
Size
U1100
1.8 inches, 10.2 cm2
Watch Fit 4
1.82 inches
Resolution
U1100
176 x 220 pixels (~157 ppi density)
Watch Fit 4
480 x 408 pixels (~347 ppi density)
Card slot
U1100
No
Watch Fit 4
No
Phonebook
U1100
100 entries
Watch Fit 4
No
Call records
U1100
10 dialed, 10 received, 10 missed calls
Watch Fit 4
No
Other
U1100
SMS storage up to 50 entries
Watch Fit 4
-
Internal
U1100
-
Watch Fit 4
Unspecified
Other
U1100
No
Watch Fit 4
No
Loudspeaker
U1100
Yes
Watch Fit 4
Yes
3.5mm jack
U1100
No
Watch Fit 4
No
WLAN
U1100
No
Watch Fit 4
No
Bluetooth
U1100
No
Watch Fit 4
5.2, LE
Positioning
U1100
No
Watch Fit 4
GPS (L1+L5), GALILEO (E1+E5a), QZSS (L1+L5), BDS (B1l+B1C), GLONASS
Radio
U1100
No
Watch Fit 4
No
USB
U1100
2.0
Watch Fit 4
No
NFC
U1100
-
Watch Fit 4
Yes (gray model only)
Sensors
U1100
Watch Fit 4
Accelerometer, gyro, heart rate, SpO2, compass, barometer
Messaging
U1100
SMS, MMS, Email
Watch Fit 4
Email, IM
Browser
U1100
WAP 2.0/xHTML
Watch Fit 4
-
Games
U1100
Yes
Watch Fit 4
No
Java
U1100
No
Watch Fit 4
No
Other
U1100
Predictive text input Organizer
Watch Fit 4
Pulse wave arrhythmia analysis
Type
U1100
Removable Li-Ion 900 mAh battery
Watch Fit 4
Li-Ion 400 mAh
Charging
U1100
-
Watch Fit 4
5W wireless
Colors
U1100
Black
Watch Fit 4
Black, Silver
Models
U1100
-
Watch Fit 4
SYA-B19
Price
U1100
-
Watch Fit 4
$ 121.00 / € 104.76