Screen size
Fusion U8652Winner: 3.5"+48%
Watch Fit 41.8"
Quick verdict
Watch Fit 4 leads the measured specs 8-6.
Measured wins
Fusion U8652
6
spec wins
Ties
1
equal specs
Watch Fit 4
8
spec wins
Overall winner
Screen size
Technology
Fusion U8652
GSM / HSPA
Watch Fit 4
No cellular connectivity
2G bands
Fusion U8652
GSM 850 / 900 / 1800 / 1900
Watch Fit 4
N/A
3G bands
Fusion U8652
HSDPA 850 / 2100 / 1800
Watch Fit 4
N/A
Speed
Fusion U8652
HSPA
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
SD card
Stereo speakers
Watch Fit 4
No
4G bands
Fusion U8652
-
Watch Fit 4
N/A
GPRS
Fusion U8652
-
Watch Fit 4
No
EDGE
Fusion U8652
-
Watch Fit 4
No
Announced
Fusion U8652
2012, March. Released 2012, March
Watch Fit 4
2025, May 15
Status
Fusion U8652
Discontinued
Watch Fit 4
Available. Released 2025, May 26
Dimensions
Fusion U8652
116.1 x 60.5 x 11.9 mm (4.57 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
Fusion U8652
117.1 g (4.13 oz)
Watch Fit 4
27 g (0.95 oz)
SIM
Fusion U8652
Mini-SIM
Watch Fit 4
No
Build
Fusion U8652
-
Watch Fit 4
Glass front, aluminum alloy frame, plastic back
Other
Fusion U8652
-
Watch Fit 4
5 ATM water resistant
Type
Fusion U8652
TFT, 256K colors
Watch Fit 4
AMOLED, 2000 nits (peak)
Size
Fusion U8652
3.5 inches, 36.5 cm2 (~51.9% screen-to-body ratio)
Watch Fit 4
1.82 inches
Resolution
Fusion U8652
320 x 480 pixels, 3:2 ratio (~165 ppi density)
Watch Fit 4
480 x 408 pixels (~347 ppi density)
OS
Fusion U8652
Android 2.3.3 (Gingerbread)
Watch Fit 4
-
Card slot
Fusion U8652
microSDHC (dedicated slot)
Watch Fit 4
No
Internal
Fusion U8652
256MB RAM, 512MB
Watch Fit 4
Unspecified
Phonebook
Fusion U8652
-
Watch Fit 4
No
Call records
Fusion U8652
-
Watch Fit 4
No
Single
Fusion U8652
3.15 MP
Watch Fit 4
-
Video
Fusion U8652
Yes
Watch Fit 4
-
Other
Fusion U8652
No
Watch Fit 4
-
Loudspeaker
Fusion U8652
Yes
Watch Fit 4
Yes
3.5mm jack
Fusion U8652
Yes
Watch Fit 4
No
WLAN
Fusion U8652
Wi-Fi 802.11 b/g/n
Watch Fit 4
No
Bluetooth
Fusion U8652
2.1, A2DP
Watch Fit 4
5.2, LE
Positioning
Fusion U8652
GPS, A-GPS
Watch Fit 4
GPS (L1+L5), GALILEO (E1+E5a), QZSS (L1+L5), BDS (B1l+B1C), GLONASS
Radio
Fusion U8652
FM radio
Watch Fit 4
No
USB
Fusion U8652
microUSB 2.0
Watch Fit 4
No
NFC
Fusion U8652
-
Watch Fit 4
Yes (gray model only)
Sensors
Fusion U8652
Watch Fit 4
Accelerometer, gyro, heart rate, SpO2, compass, barometer
Other
Fusion U8652
MP3/WAV/AAC+ player MP4/H.263 player Organizer Predictive text input
Watch Fit 4
Pulse wave arrhythmia analysis
Messaging
Fusion U8652
-
Watch Fit 4
Email, IM
Games
Fusion U8652
-
Watch Fit 4
No
Java
Fusion U8652
-
Watch Fit 4
No
Type
Fusion U8652
Removable Li-Ion 1400 mAh battery
Watch Fit 4
Li-Ion 400 mAh
Stand-by
Fusion U8652
Up to 390 h
Watch Fit 4
-
Talk time
Fusion U8652
Up to 6 h 40 min
Watch Fit 4
-
Charging
Fusion U8652
-
Watch Fit 4
5W wireless
Colors
Fusion U8652
Black
Watch Fit 4
Black, Silver
Price
Fusion U8652
About 80 EUR
Watch Fit 4
$ 121.00 / € 104.76
Models
Fusion U8652
-
Watch Fit 4
SYA-B19
Other
Fusion U8652
-
Watch Fit 4
No