Screen size
C100iWinner: 6.8"+7.4%
U16.3"
Quick verdict
C100i leads the measured specs 9-7.
Measured wins
C100i
9
spec wins
Overall winner
Ties
5
equal specs
U1
7
spec wins
Screen size
Technology
C100i
GSM / HSPA / LTE
U1
GSM / HSPA / LTE
2G bands
C100i
GSM 850 / 900 / 1800 / 1900
U1
GSM 850 / 900 / 1800 / 1900
3G bands
C100i
HSDPA 850 / 900 / 2100
U1
HSDPA 850 / 900 / 2100
4G bands
C100i
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
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
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
U1
1, 3, 5, 8, 38, 40, 41
Speed
C100i
HSPA, LTE
U1
HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps
Announced
C100i
2026, April 30
U1
2018, November. Released 2018, December
Status
C100i
Released May 7, 2026
U1
Discontinued
Dimensions
C100i
166.5 x 78.2 x 8.4 mm (6.56 x 3.08 x 0.33 in)
U1
157 x 74 x 8 mm (6.18 x 2.91 x 0.31 in)
Weight
C100i
208 g (7.34 oz)
U1
168 g (5.93 oz)
Build
C100i
Glass front, plastic frame, plastic back
U1
Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM
C100i
Nano-SIM + Nano-SIM
U1
Nano-SIM + Nano-SIM
Other
C100i
IP64 dust tight and water resistant (water splashes) Drop resistant up to 2m MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
U1
-
Type
C100i
IPS LCD, 120Hz
U1
IPS LCD
Size
C100i
6.8 inches, 113.0 cm2 (~86.8% screen-to-body ratio)
U1
6.3 inches, 97.4 cm2 (~83.9% screen-to-body ratio)
Resolution
C100i
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
U1
1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Protection
C100i
Panda MN228 or Corning Gorilla Glass
U1
Corning Gorilla Glass 3
OS
C100i
Android 16
U1
Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), ColorOS 6
Chipset
C100i
Unisoc T7250 (12 nm)
U1
Mediatek MT6771 Helio P70 (12 nm)
CPU
C100i
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
U1
Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
C100i
Mali-G57 MP1
U1
Mali-G72 MP3
Card slot
C100i
microSDXC
U1
microSDXC (dedicated slot)
Internal
C100i
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
U1
32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM
Other
C100i
eMMC 5.1
U1
eMMC 5.1
Single
C100i
8 MP, f/2.0, (wide), AF
U1
-
Features
C100i
LED flash, HDR, panorama
U1
LED flash, HDR, panorama
Video
C100i
1080p@30fps
U1
1080p@30fps, 720p@90fps
Dual
C100i
-
U1
13 MP, f/2.2, AF Auxiliary lens
Single
C100i
5 MP, f/2.2, (wide)
U1
25 MP, f/2.0, 1/2.8", 0.9µm
Video
C100i
720p@30fps
U1
1080p@30fps
Features
C100i
-
U1
HDR
Loudspeaker
C100i
Yes
U1
Yes
3.5mm jack
C100i
Yes
U1
Yes
WLAN
C100i
Wi-Fi 802.11 a/b/g/n/ac, dual-band
U1
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
C100i
5.2, A2DP, LE
U1
4.2, A2DP, LE
Positioning
C100i
GPS, GALILEO, GLONASS, BDS
U1
GPS, GLONASS
NFC
C100i
No
U1
No
Radio
C100i
Unspecified
U1
FM radio
USB
C100i
USB Type-C 2.0, OTG
U1
microUSB 2.0, OTG
Sensors
C100i
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
U1
Fingerprint (rear-mounted), accelerometer, proximity, compass
Type
C100i
Si/C Li-Ion 7000 mAh
U1
Li-Ion 3500 mAh, non-removable
Charging
C100i
15W wired, PD, QC Reverse wired
U1
10W wired
Colors
C100i
Dawn Purple, Dusk Gray
U1
Ambitious Black, Brave Blue, Fiery Gold
Models
C100i
RMX5377
U1
RMX1831, RMX1833
Price
C100i
About 110 EUR
U1
About 130 EUR