Screen size
U8300Winner: 2.6"+42%
Watch Buds 21.5"
Quick verdict
U8300 leads the measured specs 7-6.
Measured wins
U8300
7
spec wins
Overall winner
Ties
1
equal specs
Watch Buds 2
6
spec wins
Screen size
Technology
U8300
GSM / HSPA
Watch Buds 2
No cellular connectivity
2G bands
U8300
GSM 850 / 900 / 1800 / 1900
Watch Buds 2
N/A
3G bands
U8300
HSDPA 900 / 2100
Watch Buds 2
N/A
Speed
U8300
HSPA 7.2/0.384 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
SD card
Stereo speakers
No
4G bands
U8300
-
Watch Buds 2
N/A
GPRS
U8300
-
Watch Buds 2
No
EDGE
U8300
-
Watch Buds 2
No
Announced
U8300
2010, February. Released 2010, July
Watch Buds 2
2026, April 20
Status
U8300
Discontinued
Watch Buds 2
Available. Released 2026, April 20
Dimensions
U8300
94 x 64 x 11 mm (3.70 x 2.52 x 0.43 in)
Watch Buds 2
47 x 47 x 14.7 mm (1.85 x 1.85 x 0.58 in)
Weight
U8300
104 g (3.67 oz)
Watch Buds 2
54.5 g (1.90 oz)
Keyboard
U8300
QWERTY
Watch Buds 2
-
SIM
U8300
Mini-SIM
Watch Buds 2
No
Build
U8300
-
Watch Buds 2
Titanium alloy frame, glass-fiber reinforced plastic back
Other
U8300
-
Watch Buds 2
Built-in wireless earbuds housed beneath the display; charging from the watch Compatible with standard 22mm straps
Type
U8300
TFT, 256K colors
Watch Buds 2
LTPO AMOLED, 3000 nits (peak)
Size
U8300
2.6 inches, 20.9 cm2 (~34.8% screen-to-body ratio)
Watch Buds 2
1.5 inches
Resolution
U8300
320 x 240 pixels, 4:3 ratio (~154 ppi density)
Watch Buds 2
466 x 466 pixels (~310 ppi density)
Other
U8300
Watch Buds 2
-
OS
U8300
Android 2.1 (Eclair)
Watch Buds 2
HarmonyOS
Card slot
U8300
microSDHC (dedicated slot)
Watch Buds 2
No
Single
U8300
3.15 MP
Watch Buds 2
-
Features
U8300
LED flash
Watch Buds 2
-
Video
U8300
Yes
Watch Buds 2
-
Other
U8300
No
Watch Buds 2
-
Loudspeaker
U8300
Yes
Watch Buds 2
No
3.5mm jack
U8300
Yes
Watch Buds 2
No
WLAN
U8300
Wi-Fi 802.11 b/g
Watch Buds 2
No
Bluetooth
U8300
2.1, A2DP
Watch Buds 2
5.2, A2DP, LE
Positioning
U8300
GPS, A-GPS
Watch Buds 2
GPS, GLONASS, GALILEO, BDS
Radio
U8300
FM radio
Watch Buds 2
No
USB
U8300
microUSB 2.0
Watch Buds 2
No
NFC
U8300
-
Watch Buds 2
Yes
Sensors
U8300
Accelerometer, proximity, compass
Watch Buds 2
Accelerometer, gyro, heart rate, SpO2
Browser
U8300
HTML
Watch Buds 2
-
Other
U8300
MP3/WAV/WMA/eAAC+ player MP4/WMV/H.264 player Document viewer Voice memo
Watch Buds 2
-
Type
U8300
Removable Li-Ion 930 mAh battery
Watch Buds 2
Li-Ion 410 mAh
Stand-by
U8300
Up to 450 h
Watch Buds 2
-
Talk time
U8300
Up to 5 h
Watch Buds 2
-
Charging
U8300
-
Watch Buds 2
Wireless
Colors
U8300
Green, Yellow and Purple
Watch Buds 2
Black, Silver
Price
U8300
About 70 EUR
Watch Buds 2
About 440 EUR
Models
U8300
-
Watch Buds 2
LBA-B19
Other
U8300
-
Watch Buds 2
No