Screen size
U8510 IDEOS X3Winner: 3.2"+57%
Watch Ultimate Design Spring1.4"
Quick verdict
Watch Ultimate Design Spring leads the measured specs 9-6.
Measured wins
U8510 IDEOS X3
6
spec wins
Ties
1
equal specs
Watch Ultimate Design Spring
9
spec wins
Overall winner
Screen size
Technology
U8510 IDEOS X3
GSM / HSPA
Watch Ultimate Design Spring
HSPA / LTE
2G bands
U8510 IDEOS X3
GSM 850 / 900 / 1800 / 1900
Watch Ultimate Design Spring
N/A
3G bands
U8510 IDEOS X3
HSDPA 900 / 2100
Watch Ultimate Design Spring
HSDPA 850 / 900 / 1900 / 2100
Speed
U8510 IDEOS X3
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
U8510 IDEOS X3
-
Watch Ultimate Design Spring
LTE
Announced
U8510 IDEOS X3
2011, February. Released 2011, July
Watch Ultimate Design Spring
2026, April 20
Status
U8510 IDEOS X3
Discontinued
Watch Ultimate Design Spring
Available. Released 2026, May 08
Dimensions
U8510 IDEOS X3
110 x 56.5 x 11.2 mm (4.33 x 2.22 x 0.44 in)
Watch Ultimate Design Spring
42.9 x 42.9 x 10.8 mm (1.69 x 1.69 x 0.43 in)
Weight
U8510 IDEOS X3
104 g (3.67 oz)
Watch Ultimate Design Spring
91 g (3.21 oz)
SIM
U8510 IDEOS X3
Mini-SIM
Watch Ultimate Design Spring
eSIM
Build
U8510 IDEOS X3
-
Watch Ultimate Design Spring
Sapphire crystal front, titanium alloy front shell, ceramic back
Other
U8510 IDEOS X3
-
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
U8510 IDEOS X3
TFT
Watch Ultimate Design Spring
LTPO2 AMOLED, 3000 nits (peak)
Size
U8510 IDEOS X3
3.2 inches, 30.5 cm2 (~49.1% screen-to-body ratio)
Watch Ultimate Design Spring
1.38 inches
Resolution
U8510 IDEOS X3
320 x 480 pixels, 3:2 ratio (~180 ppi density)
Watch Ultimate Design Spring
466 x 466 pixels (~338 ppi density)
Protection
U8510 IDEOS X3
-
Watch Ultimate Design Spring
Sapphire crystal glass
OS
U8510 IDEOS X3
Android 2.3 (Gingerbread)
Watch Ultimate Design Spring
HarmonyOS 6.1
Chipset
U8510 IDEOS X3
Qualcomm MSM7227 Snapdragon S1
Watch Ultimate Design Spring
Kirin W80
CPU
U8510 IDEOS X3
600 MHz ARM 11
Watch Ultimate Design Spring
-
GPU
U8510 IDEOS X3
Adreno 200
Watch Ultimate Design Spring
-
Card slot
U8510 IDEOS X3
microSDHC (dedicated slot)
Watch Ultimate Design Spring
No
Internal
U8510 IDEOS X3
512MB 256MB RAM
Watch Ultimate Design Spring
-
Single
U8510 IDEOS X3
3.15 MP, AF
Watch Ultimate Design Spring
-
Video
U8510 IDEOS X3
480p
Watch Ultimate Design Spring
-
Single
U8510 IDEOS X3
VGA
Watch Ultimate Design Spring
-
Video
U8510 IDEOS X3
Watch Ultimate Design Spring
-
Loudspeaker
U8510 IDEOS X3
Yes
Watch Ultimate Design Spring
Yes
3.5mm jack
U8510 IDEOS X3
Yes
Watch Ultimate Design Spring
No
WLAN
U8510 IDEOS X3
Wi-Fi 802.11 b/g/n
Watch Ultimate Design Spring
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Bluetooth
U8510 IDEOS X3
2.1, A2DP, EDR
Watch Ultimate Design Spring
5.2, A2DP, LE
Positioning
U8510 IDEOS X3
GPS, A-GPS
Watch Ultimate Design Spring
GPS (L1+L5), GLONASS, GALILEO (L1+L5), QZSS (L1+L5), BDS
Radio
U8510 IDEOS X3
Stereo FM radio
Watch Ultimate Design Spring
No
USB
U8510 IDEOS X3
microUSB 2.0
Watch Ultimate Design Spring
No
NFC
U8510 IDEOS X3
-
Watch Ultimate Design Spring
Yes
Sensors
U8510 IDEOS X3
Accelerometer, proximity, compass
Watch Ultimate Design Spring
Accelerometer, gyro, heart rate, barometer, compass, SpO2, thermometer (body temperature), X-TAP
Browser
U8510 IDEOS X3
HTML, Adobe Flash
Watch Ultimate Design Spring
-
Other
U8510 IDEOS X3
MP3/WAV/eAAC+ player MP4/H.264 player Organizer Document viewer Photo viewer/editor Voice memo/dial Predictive text input
Watch Ultimate Design Spring
Sleep apnea detection Heart Rate Variability (HRV) Arterial Stiffness Detection
Type
U8510 IDEOS X3
Removable Li-Po 1200 mAh battery
Watch Ultimate Design Spring
Li-Ion 540 mAh
Stand-by
U8510 IDEOS X3
Up to 250 h (2G) / Up to 300 h (3G)
Watch Ultimate Design Spring
-
Talk time
U8510 IDEOS X3
Up to 4 h (2G) / Up to 4 h 10 min (3G)
Watch Ultimate Design Spring
-
Charging
U8510 IDEOS X3
-
Watch Ultimate Design Spring
Wireless
Colors
U8510 IDEOS X3
Black, Silver, Red
Watch Ultimate Design Spring
Diamond Silver
Models
U8510 IDEOS X3
U8510-0
Watch Ultimate Design Spring
CHC-AL00
Price
U8510 IDEOS X3
About 100 EUR
Watch Ultimate Design Spring
About 4000 EUR
Other
U8510 IDEOS X3
-
Watch Ultimate Design Spring
No