Screen size
U11.9"
X1Winner: 2.1"+9.4%
Quick verdict
X1 leads the measured specs 4-3.
Measured wins
U1
3
spec wins
Ties
4
equal specs
X1
4
spec wins
Overall winner
Screen size
Technology
U1
No cellular connectivity
X1
No cellular connectivity
2G bands
U1
N/A
X1
N/A
3G bands
U1
N/A
X1
N/A
4G bands
U1
N/A
X1
N/A
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
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Speed
U1
No
X1
No
GPRS
U1
No
X1
No
EDGE
U1
No
X1
No
Announced
U1
2025, February
X1
2024, May
Status
U1
Available. Released 2025, February
X1
Available. Released 2024, May
Dimensions
U1
49.8 x 42.4 x 11.4 mm (1.96 x 1.67 x 0.45 in)
X1
52.7 x 44.5 x 14.2 mm (2.07 x 1.75 x 0.56 in)
Weight
U1
43.8 g (1.55 oz)
X1
-
SIM
U1
No
X1
No
Other
U1
Waterproof (1ATM)
X1
Waterproof (2ATM) 20m
Type
U1
TFT LCD
X1
AMOLED
Size
U1
1.93 inches
X1
2.13 inches
Resolution
U1
240 x 288 pixels (~194 ppi density)
X1
410 x 502 pixels (~304 ppi density)
Protection
U1
-
X1
Tempered glass
OS
U1
Proprietary OS
X1
Proprietary OS
Card slot
U1
No
X1
No
Internal
U1
16MB
X1
Unspecified
Other
U1
No
X1
No
Loudspeaker
U1
Yes
X1
Yes
3.5mm jack
U1
No
X1
No
WLAN
U1
No
X1
No
Bluetooth
U1
5.4, A2DP, LE
X1
5.2
Positioning
U1
No
X1
No
NFC
U1
No
X1
No
Radio
U1
No
X1
No
USB
U1
No
X1
No
Sensors
U1
Accelerometer, gyro, heart rate, SpO2
X1
Accelerometer, heart rate, SpO2, blood pressure, barometer, compass
Type
U1
300 mAh
X1
850 mAh
Colors
U1
Black, Pink
X1
Gray
Price
U1
-
X1
About 50 EUR