Screen size
U8300Winner: 2.6"+47%
Watch Ultimate Design Spring1.4"
Quick verdict
Watch Ultimate Design Spring leads the measured specs 9-6.
Measured wins
U8300
6
spec wins
Ties
1
equal specs
Watch Ultimate Design Spring
9
spec wins
Overall winner
Screen size
Technology
U8300
GSM / HSPA
Watch Ultimate Design Spring
HSPA / LTE
2G bands
U8300
GSM 850 / 900 / 1800 / 1900
Watch Ultimate Design Spring
N/A
3G bands
U8300
HSDPA 900 / 2100
Watch Ultimate Design Spring
HSDPA 850 / 900 / 1900 / 2100
Speed
U8300
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 Ultimate Design Spring
HSPA, LTE
4G bands
U8300
-
Watch Ultimate Design Spring
LTE
Announced
U8300
2010, February. Released 2010, July
Watch Ultimate Design Spring
2026, April 20
Status
U8300
Discontinued
Watch Ultimate Design Spring
Available. Released 2026, May 08
Dimensions
U8300
94 x 64 x 11 mm (3.70 x 2.52 x 0.43 in)
Watch Ultimate Design Spring
42.9 x 42.9 x 10.8 mm (1.69 x 1.69 x 0.43 in)
Weight
U8300
104 g (3.67 oz)
Watch Ultimate Design Spring
91 g (3.21 oz)
Keyboard
U8300
QWERTY
Watch Ultimate Design Spring
-
SIM
U8300
Mini-SIM
Watch Ultimate Design Spring
eSIM
Build
U8300
-
Watch Ultimate Design Spring
Sapphire crystal front, titanium alloy front shell, ceramic back
Other
U8300
-
Watch Ultimate Design Spring
99 natural diamonds (0.8 carats) 5 ATM (maximum depth 40 meters when diving) IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) ECG certified
Type
U8300
TFT, 256K colors
Watch Ultimate Design Spring
LTPO2 AMOLED, 3000 nits (peak)
Size
U8300
2.6 inches, 20.9 cm2 (~34.8% screen-to-body ratio)
Watch Ultimate Design Spring
1.38 inches
Resolution
U8300
320 x 240 pixels, 4:3 ratio (~154 ppi density)
Watch Ultimate Design Spring
466 x 466 pixels (~338 ppi density)
Other
U8300
Watch Ultimate Design Spring
-
Protection
U8300
-
Watch Ultimate Design Spring
Sapphire crystal glass
OS
U8300
Android 2.1 (Eclair)
Watch Ultimate Design Spring
HarmonyOS 6.1
Chipset
U8300
-
Watch Ultimate Design Spring
Kirin W80
Card slot
U8300
microSDHC (dedicated slot)
Watch Ultimate Design Spring
No
Single
U8300
3.15 MP
Watch Ultimate Design Spring
-
Features
U8300
LED flash
Watch Ultimate Design Spring
-
Video
U8300
Yes
Watch Ultimate Design Spring
-
Other
U8300
No
Watch Ultimate Design Spring
-
Loudspeaker
U8300
Yes
Watch Ultimate Design Spring
Yes
3.5mm jack
U8300
Yes
Watch Ultimate Design Spring
No
WLAN
U8300
Wi-Fi 802.11 b/g
Watch Ultimate Design Spring
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
U8300
2.1, A2DP
Watch Ultimate Design Spring
5.2, A2DP, LE
Positioning
U8300
GPS, A-GPS
Watch Ultimate Design Spring
GPS (L1+L5), GLONASS, GALILEO (L1+L5), QZSS (L1+L5), BDS
Radio
U8300
FM radio
Watch Ultimate Design Spring
No
USB
U8300
microUSB 2.0
Watch Ultimate Design Spring
No
NFC
U8300
-
Watch Ultimate Design Spring
Yes
Sensors
U8300
Accelerometer, proximity, compass
Watch Ultimate Design Spring
Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature), X-TAP
Browser
U8300
HTML
Watch Ultimate Design Spring
-
Other
U8300
MP3/WAV/WMA/eAAC+ player MP4/WMV/H.264 player Document viewer Voice memo
Watch Ultimate Design Spring
Sleep apnea detection Heart Rate Variability (HRV) Arterial Stiffness Detection
Type
U8300
Removable Li-Ion 930 mAh battery
Watch Ultimate Design Spring
Li-Ion 540 mAh
Stand-by
U8300
Up to 450 h
Watch Ultimate Design Spring
-
Talk time
U8300
Up to 5 h
Watch Ultimate Design Spring
-
Charging
U8300
-
Watch Ultimate Design Spring
Wireless
Colors
U8300
Green, Yellow and Purple
Watch Ultimate Design Spring
Diamond Silver
Price
U8300
About 70 EUR
Watch Ultimate Design Spring
About 4000 EUR
Models
U8300
-
Watch Ultimate Design Spring
CHC-AL00
Other
U8300
-
Watch Ultimate Design Spring
No