Screen size
U1100Winner: 1.8"+17%
Watch Buds 21.5"
Quick verdict
Watch Buds 2 leads the measured specs 7-3.
Measured wins
U1100
3
spec wins
Ties
3
equal specs
Watch Buds 2
7
spec wins
Overall winner
Screen size
Technology
U1100
GSM / UMTS
Watch Buds 2
No cellular connectivity
2G bands
U1100
GSM 900 / 1800 / 1900
Watch Buds 2
N/A
3G bands
U1100
UMTS 2100
Watch Buds 2
N/A
Speed
U1100
Yes, 384 kbps
Watch Buds 2
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
equal specsStereo speakers
No
4G bands
U1100
-
Watch Buds 2
N/A
GPRS
U1100
-
Watch Buds 2
No
EDGE
U1100
-
Watch Buds 2
No
Announced
U1100
2008
Watch Buds 2
2026, April 20
Status
U1100
Discontinued
Watch Buds 2
Available. Released 2026, April 20
Dimensions
U1100
-
Watch Buds 2
47 x 47 x 14.7 mm (1.85 x 1.85 x 0.58 in)
Weight
U1100
Watch Buds 2
54.5 g (1.90 oz)
SIM
U1100
Mini-SIM
Watch Buds 2
No
Build
U1100
-
Watch Buds 2
Titanium alloy frame, glass-fiber reinforced plastic back
Other
U1100
-
Watch Buds 2
Built-in wireless earbuds housed beneath the display; charging from the watch Compatible with standard 22mm straps
Type
U1100
TFT, 65K colors
Watch Buds 2
LTPO AMOLED, 3000 nits (peak)
Size
U1100
1.8 inches, 10.2 cm2
Watch Buds 2
1.5 inches
Resolution
U1100
176 x 220 pixels (~157 ppi density)
Watch Buds 2
466 x 466 pixels (~310 ppi density)
Card slot
U1100
No
Watch Buds 2
No
Phonebook
U1100
100 entries
Watch Buds 2
-
Call records
U1100
10 dialed, 10 received, 10 missed calls
Watch Buds 2
-
Other
U1100
SMS storage up to 50 entries
Watch Buds 2
-
Other
U1100
No
Watch Buds 2
No
Loudspeaker
U1100
Yes
Watch Buds 2
No
3.5mm jack
U1100
No
Watch Buds 2
No
WLAN
U1100
No
Watch Buds 2
No
Bluetooth
U1100
No
Watch Buds 2
5.2, A2DP, LE
Positioning
U1100
No
Watch Buds 2
GPS, GLONASS, GALILEO, BDS
Radio
U1100
No
Watch Buds 2
No
USB
U1100
2.0
Watch Buds 2
No
NFC
U1100
-
Watch Buds 2
Yes
Sensors
U1100
Watch Buds 2
Accelerometer, gyro, heart rate, SpO2
Messaging
U1100
SMS, MMS, Email
Watch Buds 2
-
Browser
U1100
WAP 2.0/xHTML
Watch Buds 2
-
Games
U1100
Yes
Watch Buds 2
-
Java
U1100
No
Watch Buds 2
-
Other
U1100
Predictive text input Organizer
Watch Buds 2
-
Type
U1100
Removable Li-Ion 900 mAh battery
Watch Buds 2
Li-Ion 410 mAh
Charging
U1100
-
Watch Buds 2
Wireless
Colors
U1100
Black
Watch Buds 2
Black, Silver
Models
U1100
-
Watch Buds 2
LBA-B19
Price
U1100
-
Watch Buds 2
About 440 EUR
OS
U1100
-
Watch Buds 2
HarmonyOS