Screen size
U9150Winner: 2.4"+24%
Watch Fit 41.8"
Quick verdict
Watch Fit 4 leads the measured specs 8-5.
Measured wins
U9150
5
spec wins
Ties
2
equal specs
Watch Fit 4
8
spec wins
Overall winner
Screen size
Technology
U9150
GSM / HSPA
Watch Fit 4
No cellular connectivity
2G bands
U9150
GSM 900 / 1800 / 1900
Watch Fit 4
N/A
3G bands
U9150
HSDPA 850 / 1900
Watch Fit 4
N/A
Speed
U9150
HSPA 3.6/0.384 Mbps
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
Stereo speakers
No
4G bands
U9150
-
Watch Fit 4
N/A
GPRS
U9150
-
Watch Fit 4
No
EDGE
U9150
-
Watch Fit 4
No
Announced
U9150
2009, February. Released 2009, August
Watch Fit 4
2025, May 15
Status
U9150
Discontinued
Watch Fit 4
Available. Released 2025, May 26
Dimensions
U9150
-
Watch Fit 4
43 x 38 x 9.5 mm (1.69 x 1.50 x 0.37 in)
Weight
U9150
-
Watch Fit 4
27 g (0.95 oz)
Keyboard
U9150
QWERTY
Watch Fit 4
-
SIM
U9150
Mini-SIM
Watch Fit 4
No
Build
U9150
-
Watch Fit 4
Glass front, aluminum alloy frame, plastic back
Other
U9150
-
Watch Fit 4
5 ATM water resistant
Type
U9150
TFT, 256K colors
Watch Fit 4
AMOLED, 2000 nits (peak)
Size
U9150
2.4 inches, 17.8 cm2
Watch Fit 4
1.82 inches
Resolution
U9150
320 x 240 pixels, 4:3 ratio (~167 ppi density)
Watch Fit 4
480 x 408 pixels (~347 ppi density)
Card slot
U9150
microSD (dedicated slot)
Watch Fit 4
No
Phonebook
U9150
1000 entries, Photocall
Watch Fit 4
No
Call records
U9150
20 dialed, 20 received, 20 missed calls
Watch Fit 4
No
Internal
U9150
-
Watch Fit 4
Unspecified
Single
U9150
2 MP
Watch Fit 4
-
Video
U9150
Yes
Watch Fit 4
-
Other
U9150
CIF
Watch Fit 4
-
Loudspeaker
U9150
Yes
Watch Fit 4
Yes
3.5mm jack
U9150
No
Watch Fit 4
No
WLAN
U9150
No
Watch Fit 4
No
Bluetooth
U9150
1.2, A2DP
Watch Fit 4
5.2, LE
Positioning
U9150
No
Watch Fit 4
GPS (L1+L5), GALILEO (E1+E5a), QZSS (L1+L5), BDS (B1l+B1C), GLONASS
Radio
U9150
FM radio
Watch Fit 4
No
USB
U9150
2.0
Watch Fit 4
No
NFC
U9150
-
Watch Fit 4
Yes (gray model only)
Sensors
U9150
Watch Fit 4
Accelerometer, gyro, heart rate, SpO2, compass, barometer
Messaging
U9150
SMS, MMS, Email, Push EMail, IM
Watch Fit 4
Email, IM
Browser
U9150
WAP 2.0/xHTML
Watch Fit 4
-
Games
U9150
Yes
Watch Fit 4
No
Java
U9150
Yes, MIDP 2.0
Watch Fit 4
No
Other
U9150
MP3/eAAC/MP4/H.263 player Organizer Office document viewer Voice memo Predictive text input
Watch Fit 4
Pulse wave arrhythmia analysis
Type
U9150
Removable Li-Ion 1300 mAh battery
Watch Fit 4
Li-Ion 400 mAh
Charging
U9150
-
Watch Fit 4
5W wireless
Colors
U9150
Black
Watch Fit 4
Black, Silver
Models
U9150
-
Watch Fit 4
SYA-B19
Price
U9150
-
Watch Fit 4
$ 121.00 / € 104.76
Other
U9150
-
Watch Fit 4
No