Screen size
U8350 BoulderWinner: 2.6"+30%
Watch Fit 41.8"
Quick verdict
Watch Fit 4 leads the measured specs 8-6.
Measured wins
U8350 Boulder
6
spec wins
Ties
1
equal specs
Watch Fit 4
8
spec wins
Overall winner
Screen size
Technology
U8350 Boulder
GSM / HSPA
Watch Fit 4
No cellular connectivity
2G bands
U8350 Boulder
GSM 850 / 900 / 1800 / 1900
Watch Fit 4
N/A
3G bands
U8350 Boulder
HSDPA 900 / 2100
Watch Fit 4
N/A
Speed
U8350 Boulder
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
3.5mm jack
SD card
Stereo speakers
Watch Fit 4
No
4G bands
U8350 Boulder
-
Watch Fit 4
N/A
GPRS
U8350 Boulder
-
Watch Fit 4
No
EDGE
U8350 Boulder
-
Watch Fit 4
No
Announced
U8350 Boulder
2011. Released 2011, October
Watch Fit 4
2025, May 15
Status
U8350 Boulder
Discontinued
Watch Fit 4
Available. Released 2025, May 26
Dimensions
U8350 Boulder
115 x 62.8 x 9.9 mm (4.53 x 2.47 x 0.39 in)
Watch Fit 4
43 x 38 x 9.5 mm (1.69 x 1.50 x 0.37 in)
Weight
U8350 Boulder
105 g (3.70 oz)
Watch Fit 4
27 g (0.95 oz)
Keyboard
U8350 Boulder
QWERTY
Watch Fit 4
-
SIM
U8350 Boulder
Mini-SIM
Watch Fit 4
No
Build
U8350 Boulder
-
Watch Fit 4
Glass front, aluminum alloy frame, plastic back
Other
U8350 Boulder
-
Watch Fit 4
5 ATM water resistant
Type
U8350 Boulder
TFT, 256K colors
Watch Fit 4
AMOLED, 2000 nits (peak)
Size
U8350 Boulder
2.6 inches, 20.9 cm2 (~29.0% screen-to-body ratio)
Watch Fit 4
1.82 inches
Resolution
U8350 Boulder
320 x 240 pixels, 4:3 ratio (~154 ppi density)
Watch Fit 4
480 x 408 pixels (~347 ppi density)
OS
U8350 Boulder
Android 2.2 (Froyo)
Watch Fit 4
-
Chipset
U8350 Boulder
Qualcomm MSM7225 Snapdragon S1
Watch Fit 4
-
CPU
U8350 Boulder
528 MHz ARM 11
Watch Fit 4
-
GPU
U8350 Boulder
No
Watch Fit 4
-
Card slot
U8350 Boulder
microSDHC (dedicated slot)
Watch Fit 4
No
Internal
U8350 Boulder
512MB 256MB RAM
Watch Fit 4
Unspecified
Phonebook
U8350 Boulder
-
Watch Fit 4
No
Call records
U8350 Boulder
-
Watch Fit 4
No
Single
U8350 Boulder
3.2 MP
Watch Fit 4
-
Video
U8350 Boulder
Yes
Watch Fit 4
-
Other
U8350 Boulder
No
Watch Fit 4
-
Loudspeaker
U8350 Boulder
Yes
Watch Fit 4
Yes
3.5mm jack
U8350 Boulder
Yes
Watch Fit 4
No
WLAN
U8350 Boulder
Wi-Fi 802.11 b/g/n
Watch Fit 4
No
Bluetooth
U8350 Boulder
2.1, A2DP
Watch Fit 4
5.2, LE
Positioning
U8350 Boulder
GPS, A-GPS
Watch Fit 4
GPS (L1+L5), GALILEO (E1+E5a), QZSS (L1+L5), BDS (B1l+B1C), GLONASS
Radio
U8350 Boulder
FM radio
Watch Fit 4
No
USB
U8350 Boulder
microUSB 2.0
Watch Fit 4
No
NFC
U8350 Boulder
-
Watch Fit 4
Yes (gray model only)
Sensors
U8350 Boulder
Accelerometer, proximity, compass
Watch Fit 4
Accelerometer, gyro, heart rate, SpO2, compass, barometer
Other
U8350 Boulder
MP3/WAV/eAAC+ player MP4/H.264 player Organizer Document viewer Photo viewer/editor Voice memo Predictive text input
Watch Fit 4
Pulse wave arrhythmia analysis
Messaging
U8350 Boulder
-
Watch Fit 4
Email, IM
Games
U8350 Boulder
-
Watch Fit 4
No
Java
U8350 Boulder
-
Watch Fit 4
No
Type
U8350 Boulder
Removable Li-Ion 1200 mAh battery
Watch Fit 4
Li-Ion 400 mAh
Charging
U8350 Boulder
-
Watch Fit 4
5W wireless
Colors
U8350 Boulder
Black, White
Watch Fit 4
Black, Silver
Price
U8350 Boulder
About 90 EUR
Watch Fit 4
$ 121.00 / € 104.76
Models
U8350 Boulder
-
Watch Fit 4
SYA-B19
Other
U8350 Boulder
-
Watch Fit 4
No