Screen size
U8350 BoulderWinner: 2.6"+42%
Watch Buds 21.5"
Quick verdict
U8350 Boulder leads the measured specs 7-6.
Measured wins
U8350 Boulder
7
spec wins
Overall winner
Ties
1
equal specs
Watch Buds 2
6
spec wins
Screen size
Technology
U8350 Boulder
GSM / HSPA
Watch Buds 2
No cellular connectivity
2G bands
U8350 Boulder
GSM 850 / 900 / 1800 / 1900
Watch Buds 2
N/A
3G bands
U8350 Boulder
HSDPA 900 / 2100
Watch Buds 2
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 Buds 2
No
4G bands
U8350 Boulder
-
Watch Buds 2
N/A
GPRS
U8350 Boulder
-
Watch Buds 2
No
EDGE
U8350 Boulder
-
Watch Buds 2
No
Announced
U8350 Boulder
2011. Released 2011, October
Watch Buds 2
2026, April 20
Status
U8350 Boulder
Discontinued
Watch Buds 2
Available. Released 2026, April 20
Dimensions
U8350 Boulder
115 x 62.8 x 9.9 mm (4.53 x 2.47 x 0.39 in)
Watch Buds 2
47 x 47 x 14.7 mm (1.85 x 1.85 x 0.58 in)
Weight
U8350 Boulder
105 g (3.70 oz)
Watch Buds 2
54.5 g (1.90 oz)
Keyboard
U8350 Boulder
QWERTY
Watch Buds 2
-
SIM
U8350 Boulder
Mini-SIM
Watch Buds 2
No
Build
U8350 Boulder
-
Watch Buds 2
Titanium alloy frame, glass-fiber reinforced plastic back
Other
U8350 Boulder
-
Watch Buds 2
Built-in wireless earbuds housed beneath the display; charging from the watch Compatible with standard 22mm straps
Type
U8350 Boulder
TFT, 256K colors
Watch Buds 2
LTPO AMOLED, 3000 nits (peak)
Size
U8350 Boulder
2.6 inches, 20.9 cm2 (~29.0% screen-to-body ratio)
Watch Buds 2
1.5 inches
Resolution
U8350 Boulder
320 x 240 pixels, 4:3 ratio (~154 ppi density)
Watch Buds 2
466 x 466 pixels (~310 ppi density)
OS
U8350 Boulder
Android 2.2 (Froyo)
Watch Buds 2
HarmonyOS
Chipset
U8350 Boulder
Qualcomm MSM7225 Snapdragon S1
Watch Buds 2
-
CPU
U8350 Boulder
528 MHz ARM 11
Watch Buds 2
-
GPU
U8350 Boulder
No
Watch Buds 2
-
Card slot
U8350 Boulder
microSDHC (dedicated slot)
Watch Buds 2
No
Internal
U8350 Boulder
512MB 256MB RAM
Watch Buds 2
-
Single
U8350 Boulder
3.2 MP
Watch Buds 2
-
Video
U8350 Boulder
Yes
Watch Buds 2
-
Other
U8350 Boulder
No
Watch Buds 2
-
Loudspeaker
U8350 Boulder
Yes
Watch Buds 2
No
3.5mm jack
U8350 Boulder
Yes
Watch Buds 2
No
WLAN
U8350 Boulder
Wi-Fi 802.11 b/g/n
Watch Buds 2
No
Bluetooth
U8350 Boulder
2.1, A2DP
Watch Buds 2
5.2, A2DP, LE
Positioning
U8350 Boulder
GPS, A-GPS
Watch Buds 2
GPS, GLONASS, GALILEO, BDS
Radio
U8350 Boulder
FM radio
Watch Buds 2
No
USB
U8350 Boulder
microUSB 2.0
Watch Buds 2
No
NFC
U8350 Boulder
-
Watch Buds 2
Yes
Sensors
U8350 Boulder
Accelerometer, proximity, compass
Watch Buds 2
Accelerometer, gyro, heart rate, SpO2
Other
U8350 Boulder
MP3/WAV/eAAC+ player MP4/H.264 player Organizer Document viewer Photo viewer/editor Voice memo Predictive text input
Watch Buds 2
-
Type
U8350 Boulder
Removable Li-Ion 1200 mAh battery
Watch Buds 2
Li-Ion 410 mAh
Charging
U8350 Boulder
-
Watch Buds 2
Wireless
Colors
U8350 Boulder
Black, White
Watch Buds 2
Black, Silver
Price
U8350 Boulder
About 90 EUR
Watch Buds 2
About 440 EUR
Models
U8350 Boulder
-
Watch Buds 2
LBA-B19
Other
U8350 Boulder
-
Watch Buds 2
No