Screen size
U8220Winner: 3.5"+57%
Watch Buds 21.5"
Quick verdict
U8220 and Watch Buds 2 are close on the measured specs.
Measured wins
U8220
6
spec wins
Ties
2
equal specs
Watch Buds 2
6
spec wins
Screen size
Technology
U8220
GSM / HSPA
Watch Buds 2
No cellular connectivity
2G bands
U8220
GSM 850 / 900 / 1800 / 1900
Watch Buds 2
N/A
3G bands
U8220
HSDPA 900 / 2100
Watch Buds 2
N/A
Speed
U8220
HSPA 7.2/2 Mbps
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
Stereo speakers
No
4G bands
U8220
-
Watch Buds 2
N/A
GPRS
U8220
-
Watch Buds 2
No
EDGE
U8220
-
Watch Buds 2
No
Announced
U8220
2009, August. Released 2009, October
Watch Buds 2
2026, April 20
Status
U8220
Discontinued
Watch Buds 2
Available. Released 2026, April 20
Dimensions
U8220
116 x 63 x 14 mm (4.57 x 2.48 x 0.55 in)
Watch Buds 2
47 x 47 x 14.7 mm (1.85 x 1.85 x 0.58 in)
Weight
U8220
135 g (4.76 oz)
Watch Buds 2
54.5 g (1.90 oz)
SIM
U8220
Mini-SIM
Watch Buds 2
No
Other
U8220
Trackball
Watch Buds 2
Built-in wireless earbuds housed beneath the display; charging from the watch Compatible with standard 22mm straps
Build
U8220
-
Watch Buds 2
Titanium alloy frame, glass-fiber reinforced plastic back
Type
U8220
TFT, 256K colors (65K effective)
Watch Buds 2
LTPO AMOLED, 3000 nits (peak)
Size
U8220
3.5 inches, 36.5 cm2 (~49.9% screen-to-body ratio)
Watch Buds 2
1.5 inches
Resolution
U8220
320 x 480 pixels, 3:2 ratio (~165 ppi density)
Watch Buds 2
466 x 466 pixels (~310 ppi density)
OS
U8220
Android 1.5 (Cupcake)
Watch Buds 2
HarmonyOS
Card slot
U8220
microSDHC (dedicated slot)
Watch Buds 2
No
Internal
U8220
192MB
Watch Buds 2
-
Single
U8220
3.15 MP, AF
Watch Buds 2
-
Video
U8220
Yes
Watch Buds 2
-
Other
U8220
No
Watch Buds 2
-
Loudspeaker
U8220
Yes
Watch Buds 2
No
3.5mm jack
U8220
No
Watch Buds 2
No
WLAN
U8220
Wi-Fi 802.11 b/g
Watch Buds 2
No
Bluetooth
U8220
2.0, A2DP
Watch Buds 2
5.2, A2DP, LE
Positioning
U8220
GPS, A-GPS
Watch Buds 2
GPS, GLONASS, GALILEO, BDS
Radio
U8220
No
Watch Buds 2
No
USB
U8220
2.0
Watch Buds 2
No
NFC
U8220
-
Watch Buds 2
Yes
Sensors
U8220
Accelerometer
Watch Buds 2
Accelerometer, gyro, heart rate, SpO2
Browser
U8220
HTML
Watch Buds 2
-
Other
U8220
MP3/AAC+/WAV player MP4/H.264 player Voice memo Predictive text input
Watch Buds 2
-
Type
U8220
Removable Li-Ion 1500 mAh battery
Watch Buds 2
Li-Ion 410 mAh
Stand-by
U8220
Up to 300 h
Watch Buds 2
-
Talk time
U8220
Up to 3 h 30 min
Watch Buds 2
-
Charging
U8220
-
Watch Buds 2
Wireless
Colors
U8220
Black
Watch Buds 2
Black, Silver
Price
U8220
About 230 EUR
Watch Buds 2
About 440 EUR
Models
U8220
-
Watch Buds 2
LBA-B19
Other
U8220
-
Watch Buds 2
No