Screen size
GT51.4"
U1Winner: 1.9"+26%
Quick verdict
GT5 leads the measured specs 4-3.
Measured wins
GT5
4
spec wins
Overall winner
Ties
4
equal specs
U1
3
spec wins
Screen size
Technology
GT5
No cellular connectivity
U1
No cellular connectivity
2G bands
GT5
N/A
U1
N/A
3G bands
GT5
N/A
U1
N/A
4G bands
GT5
N/A
U1
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
GT5
No
U1
No
GPRS
GT5
No
U1
No
EDGE
GT5
No
U1
No
Announced
GT5
2026, February
U1
2025, February
Status
GT5
Available. Released 2026, February
U1
Available. Released 2025, February
Dimensions
GT5
49.5 x 49.5 x 13.7 mm (1.95 x 1.95 x 0.54 in)
U1
49.8 x 42.4 x 11.4 mm (1.96 x 1.67 x 0.45 in)
Weight
GT5
77 g (2.72 oz)
U1
43.8 g (1.55 oz)
SIM
GT5
No
U1
No
Other
GT5
Waterproof (5ATM)
U1
Waterproof (1ATM)
Type
GT5
AMOLED
U1
TFT LCD
Size
GT5
1.43 inches
U1
1.93 inches
Resolution
GT5
466 x 466 pixels (~461 ppi density)
U1
240 x 288 pixels (~194 ppi density)
OS
GT5
Proprietary OS
U1
Proprietary OS
Card slot
GT5
No
U1
No
Internal
GT5
-
U1
16MB
Other
GT5
No
U1
No
Loudspeaker
GT5
Yes
U1
Yes
3.5mm jack
GT5
No
U1
No
WLAN
GT5
No
U1
No
Bluetooth
GT5
6.0, A2DP, LE
U1
5.4, A2DP, LE
Positioning
GT5
GPS (L1+L5)
U1
No
NFC
GT5
No
U1
No
Radio
GT5
No
U1
No
USB
GT5
No
U1
No
Sensors
GT5
Accelerometer, heart rate, SpO2, barometer, compass
U1
Accelerometer, gyro, heart rate, SpO2
Type
GT5
500 mAh
U1
300 mAh
Colors
GT5
Black
U1
Black, Pink