Screen size
U8180 IDEOS X1Winner: 2.8"+35%
Watch Fit 41.8"
Quick verdict
Watch Fit 4 leads the measured specs 8-6.
Measured wins
U8180 IDEOS X1
6
spec wins
Ties
1
equal specs
Watch Fit 4
8
spec wins
Overall winner
Screen size
Technology
U8180 IDEOS X1
GSM / HSPA
Watch Fit 4
No cellular connectivity
2G bands
U8180 IDEOS X1
GSM 850 / 900 / 1800 / 1900
Watch Fit 4
N/A
3G bands
U8180 IDEOS X1
HSDPA 900 / 2100
Watch Fit 4
N/A
Speed
U8180 IDEOS X1
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 Fit 4
No
4G bands
U8180 IDEOS X1
-
Watch Fit 4
N/A
GPRS
U8180 IDEOS X1
-
Watch Fit 4
No
EDGE
U8180 IDEOS X1
-
Watch Fit 4
No
Announced
U8180 IDEOS X1
2011, May
Watch Fit 4
2025, May 15
Status
U8180 IDEOS X1
Discontinued
Watch Fit 4
Available. Released 2025, May 26
Dimensions
U8180 IDEOS X1
104 x 56 x 13 mm (4.09 x 2.20 x 0.51 in)
Watch Fit 4
43 x 38 x 9.5 mm (1.69 x 1.50 x 0.37 in)
Weight
U8180 IDEOS X1
100 g (3.53 oz)
Watch Fit 4
27 g (0.95 oz)
SIM
U8180 IDEOS X1
Mini-SIM
Watch Fit 4
No
Build
U8180 IDEOS X1
-
Watch Fit 4
Glass front, aluminum alloy frame, plastic back
Other
U8180 IDEOS X1
-
Watch Fit 4
5 ATM water resistant
Type
U8180 IDEOS X1
TFT, 256K colors
Watch Fit 4
AMOLED, 2000 nits (peak)
Size
U8180 IDEOS X1
2.8 inches, 24.3 cm2 (~41.7% screen-to-body ratio)
Watch Fit 4
1.82 inches
Resolution
U8180 IDEOS X1
240 x 320 pixels, 4:3 ratio (~143 ppi density)
Watch Fit 4
480 x 408 pixels (~347 ppi density)
OS
U8180 IDEOS X1
Android 2.2 (Froyo)
Watch Fit 4
-
Chipset
U8180 IDEOS X1
Qualcomm MSM7225 Snapdragon S1
Watch Fit 4
-
CPU
U8180 IDEOS X1
528 MHz ARM 11
Watch Fit 4
-
GPU
U8180 IDEOS X1
No
Watch Fit 4
-
Card slot
U8180 IDEOS X1
microSDHC (dedicated slot)
Watch Fit 4
No
Internal
U8180 IDEOS X1
512MB 256MB RAM
Watch Fit 4
Unspecified
Phonebook
U8180 IDEOS X1
-
Watch Fit 4
No
Call records
U8180 IDEOS X1
-
Watch Fit 4
No
Single
U8180 IDEOS X1
3.15 MP
Watch Fit 4
-
Video
U8180 IDEOS X1
320p@24fps
Watch Fit 4
-
Other
U8180 IDEOS X1
No
Watch Fit 4
-
Loudspeaker
U8180 IDEOS X1
Yes
Watch Fit 4
Yes
3.5mm jack
U8180 IDEOS X1
Yes
Watch Fit 4
No
WLAN
U8180 IDEOS X1
Wi-Fi 802.11 b/g/n
Watch Fit 4
No
Bluetooth
U8180 IDEOS X1
2.1, A2DP, EDR
Watch Fit 4
5.2, LE
Positioning
U8180 IDEOS X1
GPS, A-GPS
Watch Fit 4
GPS (L1+L5), GALILEO (E1+E5a), QZSS (L1+L5), BDS (B1l+B1C), GLONASS
Radio
U8180 IDEOS X1
FM radio, RDS
Watch Fit 4
No
USB
U8180 IDEOS X1
microUSB 2.0
Watch Fit 4
No
NFC
U8180 IDEOS X1
-
Watch Fit 4
Yes (gray model only)
Sensors
U8180 IDEOS X1
Accelerometer, proximity, compass
Watch Fit 4
Accelerometer, gyro, heart rate, SpO2, compass, barometer
Other
U8180 IDEOS X1
MP3/WAV/eAAC+ player MP4/H.264 player Organizer Document viewer Photo viewer/editor Voice memo Predictive text input
Watch Fit 4
Pulse wave arrhythmia analysis
Messaging
U8180 IDEOS X1
-
Watch Fit 4
Email, IM
Games
U8180 IDEOS X1
-
Watch Fit 4
No
Java
U8180 IDEOS X1
-
Watch Fit 4
No
Type
U8180 IDEOS X1
Removable Li-Ion 1200 mAh battery
Watch Fit 4
Li-Ion 400 mAh
Stand-by
U8180 IDEOS X1
Up to 336 h
Watch Fit 4
-
Talk time
U8180 IDEOS X1
Up to 4 h
Watch Fit 4
-
Charging
U8180 IDEOS X1
-
Watch Fit 4
5W wireless
Colors
U8180 IDEOS X1
Black
Watch Fit 4
Black, Silver
Price
U8180 IDEOS X1
About 70 EUR
Watch Fit 4
$ 121.00 / € 104.76
Models
U8180 IDEOS X1
-
Watch Fit 4
SYA-B19
Other
U8180 IDEOS X1
-
Watch Fit 4
No