Screen size
Fusion 2 U8665Winner: 3.5"+61%
Watch Ultimate Design Spring1.4"
Quick verdict
Watch Ultimate Design Spring leads the measured specs 9-7.
Measured wins
Fusion 2 U8665
7
spec wins
Ties
1
equal specs
Watch Ultimate Design Spring
9
spec wins
Overall winner
Screen size
Technology
Fusion 2 U8665
GSM / HSPA
Watch Ultimate Design Spring
HSPA / LTE
2G bands
Fusion 2 U8665
GSM 850 / 900 / 1800 / 1900
Watch Ultimate Design Spring
N/A
3G bands
Fusion 2 U8665
HSDPA 850 / 1900 / 2100
Watch Ultimate Design Spring
HSDPA 850 / 900 / 1900 / 2100
Speed
Fusion 2 U8665
HSPA
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
Fusion 2 U8665
-
Watch Ultimate Design Spring
LTE
Announced
Fusion 2 U8665
2012, October. Released 2012, October
Watch Ultimate Design Spring
2026, April 20
Status
Fusion 2 U8665
Discontinued
Watch Ultimate Design Spring
Available. Released 2026, May 08
Dimensions
Fusion 2 U8665
115.8 x 61 x 11.7 mm (4.56 x 2.40 x 0.46 in)
Watch Ultimate Design Spring
42.9 x 42.9 x 10.8 mm (1.69 x 1.69 x 0.43 in)
Weight
Fusion 2 U8665
124.2 g (4.37 oz)
Watch Ultimate Design Spring
91 g (3.21 oz)
SIM
Fusion 2 U8665
Mini-SIM
Watch Ultimate Design Spring
eSIM
Build
Fusion 2 U8665
-
Watch Ultimate Design Spring
Sapphire crystal front, titanium alloy front shell, ceramic back
Other
Fusion 2 U8665
-
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
Fusion 2 U8665
TFT, 256K colors
Watch Ultimate Design Spring
LTPO2 AMOLED, 3000 nits (peak)
Size
Fusion 2 U8665
3.5 inches, 36.5 cm2 (~51.6% screen-to-body ratio)
Watch Ultimate Design Spring
1.38 inches
Resolution
Fusion 2 U8665
320 x 480 pixels, 3:2 ratio (~165 ppi density)
Watch Ultimate Design Spring
466 x 466 pixels (~338 ppi density)
Protection
Fusion 2 U8665
-
Watch Ultimate Design Spring
Sapphire crystal glass
OS
Fusion 2 U8665
Android 2.3 (Gingerbread)
Watch Ultimate Design Spring
HarmonyOS 6.1
Chipset
Fusion 2 U8665
Qualcomm MSM7225A-1-AA Snapdragon S1
Watch Ultimate Design Spring
Kirin W80
CPU
Fusion 2 U8665
800 MHz Cortex-A5
Watch Ultimate Design Spring
-
GPU
Fusion 2 U8665
Adreno 200
Watch Ultimate Design Spring
-
Card slot
Fusion 2 U8665
microSDHC (dedicated slot)
Watch Ultimate Design Spring
No
Internal
Fusion 2 U8665
4GB 512MB RAM
Watch Ultimate Design Spring
-
Single
Fusion 2 U8665
3.15 MP
Watch Ultimate Design Spring
-
Video
Fusion 2 U8665
Yes
Watch Ultimate Design Spring
-
Other
Fusion 2 U8665
No
Watch Ultimate Design Spring
-
Loudspeaker
Fusion 2 U8665
Yes
Watch Ultimate Design Spring
Yes
3.5mm jack
Fusion 2 U8665
Yes
Watch Ultimate Design Spring
No
WLAN
Fusion 2 U8665
Wi-Fi 802.11 b/g/n
Watch Ultimate Design Spring
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
Fusion 2 U8665
2.1, A2DP, EDR
Watch Ultimate Design Spring
5.2, A2DP, LE
Positioning
Fusion 2 U8665
GPS
Watch Ultimate Design Spring
GPS (L1+L5), GLONASS, GALILEO (L1+L5), QZSS (L1+L5), BDS
NFC
Fusion 2 U8665
No
Watch Ultimate Design Spring
Yes
Radio
Fusion 2 U8665
FM radio
Watch Ultimate Design Spring
No
USB
Fusion 2 U8665
microUSB 2.0
Watch Ultimate Design Spring
No
Sensors
Fusion 2 U8665
Accelerometer, proximity
Watch Ultimate Design Spring
Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature), X-TAP
Other
Fusion 2 U8665
MP3/WAV/AAC+ player MP4/H.263 player
Watch Ultimate Design Spring
Sleep apnea detection Heart Rate Variability (HRV) Arterial Stiffness Detection
Type
Fusion 2 U8665
Li-Ion 1400 mAh, removable
Watch Ultimate Design Spring
Li-Ion 540 mAh
Stand-by
Fusion 2 U8665
Up to 350 h
Watch Ultimate Design Spring
-
Talk time
Fusion 2 U8665
Up to 5 h
Watch Ultimate Design Spring
-
Charging
Fusion 2 U8665
-
Watch Ultimate Design Spring
Wireless
Colors
Fusion 2 U8665
Black
Watch Ultimate Design Spring
Diamond Silver
SAR
Fusion 2 U8665
1.26 W/kg (head) 0.98 W/kg (body)
Watch Ultimate Design Spring
-
Price
Fusion 2 U8665
About 50 EUR
Watch Ultimate Design Spring
About 4000 EUR
Models
Fusion 2 U8665
-
Watch Ultimate Design Spring
CHC-AL00
Other
Fusion 2 U8665
-
Watch Ultimate Design Spring
No