Screen size
CS31.7"
U11 ProWinner: 11.0"+85%
Quick verdict
U11 Pro leads the measured specs 15-4.
Measured wins
CS3
4
spec wins
Ties
2
equal specs
U11 Pro
15
spec wins
Overall winner
Screen size
Technology
CS3
No cellular connectivity
U11 Pro
No cellular connectivity
2G bands
CS3
N/A
U11 Pro
N/A
3G bands
CS3
N/A
U11 Pro
N/A
4G bands
CS3
N/A
U11 Pro
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
SD card
Stereo speakers
N/A
GPRS
CS3
No
U11 Pro
No
EDGE
CS3
No
U11 Pro
No
Announced
CS3
2022, July 09
U11 Pro
2025, April
Status
CS3
Available. Released 2022, July 09
U11 Pro
Available. Released 2025, April
Dimensions
CS3
43.9 x 35.4 x 11.3 mm (1.73 x 1.39 x 0.44 in)
U11 Pro
257.3 x 168.8 x 8.1 mm (10.13 x 6.65 x 0.32 in)
Weight
CS3
38 g (1.34 oz)
U11 Pro
537 g (1.18 lb)
Build
CS3
Plastic frame, plastic back
U11 Pro
-
SIM
CS3
No
U11 Pro
No
Other
CS3
IP68 dust tight and water resistant (immersible up to 50m)
U11 Pro
Stylus support
Type
CS3
IPS LCD
U11 Pro
IPS LCD, 90Hz
Size
CS3
1.69 inches
U11 Pro
11.0 inches, 350.9 cm2 (~80.8% screen-to-body ratio)
Resolution
CS3
240 x 280 pixels (~218 ppi density)
U11 Pro
800 x 1280 pixels, 16:10 ratio (~137 ppi density)
Protection
CS3
-
U11 Pro
Mohs level 5
OS
CS3
Proprietary
U11 Pro
Android 15
Chipset
CS3
Realtek 8762DK
U11 Pro
Unisoc T7200 (12 nm)
CPU
CS3
-
U11 Pro
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
CS3
-
U11 Pro
Mali-G57 MP1
Card slot
CS3
No
U11 Pro
microSDXC (dedicated slot)
Internal
CS3
-
U11 Pro
256GB 6GB RAM
Other
CS3
-
U11 Pro
eMMC 5.1
Other
CS3
No
U11 Pro
-
Loudspeaker
CS3
No
U11 Pro
Yes, with stereo speakers
3.5mm jack
CS3
No
U11 Pro
Yes
WLAN
CS3
No
U11 Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
CS3
5.1, A2DP, LE
U11 Pro
5.0, A2DP, LE
Positioning
CS3
No
U11 Pro
GPS, GALILEO, GLONASS, BDS
NFC
CS3
No
U11 Pro
No
Radio
CS3
No
U11 Pro
FM radio
USB
CS3
No
U11 Pro
USB Type-C 2.0, OTG
Sensors
CS3
Accelerometer, heart rate, SpO2
U11 Pro
Accelerometer
Type
CS3
Li-Ion 235 mAh
U11 Pro
8580 mAh
Charging
CS3
-
U11 Pro
10W wired
Colors
CS3
Black, Pink, Green, Purple, Blue
U11 Pro
Black, Blue, Gray
Price
CS3
About 40 EUR
U11 Pro
-
Single
CS3
-
U11 Pro
13 MP, f/2.2, (wide), 1/3.1", AF
Features
CS3
-
U11 Pro
LED flash, HDR
Video
CS3
-
U11 Pro
1080p@30fps
Single
CS3
-
U11 Pro
5 MP, f/2.4, (wide), 1/5.0"
Video
CS3
-
U11 Pro
720p@30fps