Screen size
U8650 SonicWinner: 3.5"+48%
Watch Fit 41.8"
Quick verdict
Watch Fit 4 leads the measured specs 7-6.
Measured wins
U8650 Sonic
6
spec wins
Ties
2
equal specs
Watch Fit 4
7
spec wins
Overall winner
Screen size
Technology
U8650 Sonic
GSM / HSPA
Watch Fit 4
No cellular connectivity
2G bands
U8650 Sonic
GSM 900 / 1800 / 1900
Watch Fit 4
N/A
3G bands
U8650 Sonic
HSDPA 900 / 2100
Watch Fit 4
N/A
Speed
U8650 Sonic
HSPA 7.2/0.384 Mbps
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
equal specs3.5mm jack
SD card
Stereo speakers
Watch Fit 4
No
4G bands
U8650 Sonic
-
Watch Fit 4
N/A
GPRS
U8650 Sonic
-
Watch Fit 4
No
EDGE
U8650 Sonic
-
Watch Fit 4
No
Announced
U8650 Sonic
2011, July
Watch Fit 4
2025, May 15
Status
U8650 Sonic
Discontinued
Watch Fit 4
Available. Released 2025, May 26
Dimensions
U8650 Sonic
116.3 x 60.5 x 11.9 mm (4.58 x 2.38 x 0.47 in)
Watch Fit 4
43 x 38 x 9.5 mm (1.69 x 1.50 x 0.37 in)
Weight
U8650 Sonic
120 g (4.23 oz)
Watch Fit 4
27 g (0.95 oz)
SIM
U8650 Sonic
Mini-SIM
Watch Fit 4
No
Build
U8650 Sonic
-
Watch Fit 4
Glass front, aluminum alloy frame, plastic back
Other
U8650 Sonic
-
Watch Fit 4
5 ATM water resistant
Type
U8650 Sonic
TFT, 256K colors
Watch Fit 4
AMOLED, 2000 nits (peak)
Size
U8650 Sonic
3.5 inches, 36.5 cm2 (~51.8% screen-to-body ratio)
Watch Fit 4
1.82 inches
Resolution
U8650 Sonic
320 x 480 pixels, 3:2 ratio (~165 ppi density)
Watch Fit 4
480 x 408 pixels (~347 ppi density)
OS
U8650 Sonic
Android 2.3.3 (Gingerbread)
Watch Fit 4
-
Card slot
U8650 Sonic
microSDHC (dedicated slot)
Watch Fit 4
No
Internal
U8650 Sonic
512MB 256MB RAM
Watch Fit 4
Unspecified
Phonebook
U8650 Sonic
-
Watch Fit 4
No
Call records
U8650 Sonic
-
Watch Fit 4
No
Single
U8650 Sonic
3.15 MP
Watch Fit 4
-
Video
U8650 Sonic
480p
Watch Fit 4
-
Other
U8650 Sonic
No
Watch Fit 4
-
Loudspeaker
U8650 Sonic
Yes
Watch Fit 4
Yes
3.5mm jack
U8650 Sonic
Yes
Watch Fit 4
No
WLAN
U8650 Sonic
Wi-Fi 802.11 b/g/n
Watch Fit 4
No
Bluetooth
U8650 Sonic
2.1, A2DP, EDR
Watch Fit 4
5.2, LE
Positioning
U8650 Sonic
GPS, A-GPS
Watch Fit 4
GPS (L1+L5), GALILEO (E1+E5a), QZSS (L1+L5), BDS (B1l+B1C), GLONASS
NFC
U8650 Sonic
Yes (Huawei U8650NFC-1)
Watch Fit 4
Yes (gray model only)
USB
U8650 Sonic
microUSB 2.0
Watch Fit 4
No
Radio
U8650 Sonic
-
Watch Fit 4
No
Sensors
U8650 Sonic
Accelerometer, proximity, compass
Watch Fit 4
Accelerometer, gyro, heart rate, SpO2, compass, barometer
Other
U8650 Sonic
MP3/WAV/eAAC+ player MP4/H.264 player Organizer Document viewer Photo viewer/editor Voice memo/dial/commands Predictive text input
Watch Fit 4
Pulse wave arrhythmia analysis
Messaging
U8650 Sonic
-
Watch Fit 4
Email, IM
Games
U8650 Sonic
-
Watch Fit 4
No
Java
U8650 Sonic
-
Watch Fit 4
No
Type
U8650 Sonic
Removable Li-Ion 1400 mAh battery
Watch Fit 4
Li-Ion 400 mAh
Stand-by
U8650 Sonic
Up to 400 h
Watch Fit 4
-
Talk time
U8650 Sonic
Up to 8 h 20 min
Watch Fit 4
-
Charging
U8650 Sonic
-
Watch Fit 4
5W wireless
Colors
U8650 Sonic
Black
Watch Fit 4
Black, Silver
Models
U8650 Sonic
u8650-1, U8650NFC-1
Watch Fit 4
SYA-B19
Price
U8650 Sonic
About 70 EUR
Watch Fit 4
$ 121.00 / € 104.76
Other
U8650 Sonic
-
Watch Fit 4
No