Screen size
C100iWinner: 6.8"+4.4%
C3i6.5"
Quick verdict
C100i leads the measured specs 9-6.
Measured wins
C100i
9
spec wins
Overall winner
Ties
7
equal specs
C3i
6
spec wins
Screen size
Technology
C100i
GSM / HSPA / LTE
C3i
GSM / HSPA / LTE
2G bands
C100i
GSM 850 / 900 / 1800 / 1900
C3i
GSM 850 / 900 / 1800 / 1900
3G bands
C100i
HSDPA 850 / 900 / 2100
C3i
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
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
C3i
1, 3, 5, 8, 38, 40, 41
Speed
C100i
HSPA, LTE
C3i
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/75 Mbps
Announced
C100i
2026, April 30
C3i
2020, June 24. Released 2020, July 03
Status
C100i
Released May 7, 2026
C3i
Discontinued
Dimensions
C100i
166.5 x 78.2 x 8.4 mm (6.56 x 3.08 x 0.33 in)
C3i
164.4 x 75 x 9 mm (6.47 x 2.95 x 0.35 in)
Weight
C100i
208 g (7.34 oz)
C3i
195 g (6.88 oz)
Build
C100i
Glass front, plastic frame, plastic back
C3i
Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM
C100i
Nano-SIM + Nano-SIM
C3i
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
C3i
Weather-sealed ports & loudspeaker
Type
C100i
IPS LCD, 120Hz
C3i
IPS LCD, 480 nits (typ)
Size
C100i
6.8 inches, 113.0 cm2 (~86.8% screen-to-body ratio)
C3i
6.5 inches, 102.0 cm2 (~82.7% screen-to-body ratio)
Resolution
C100i
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
C3i
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Protection
C100i
Panda MN228 or Corning Gorilla Glass
C3i
Corning Gorilla Glass 3
OS
C100i
Android 16
C3i
Android 10, Realme UI
Chipset
C100i
Unisoc T7250 (12 nm)
C3i
Mediatek MT6769V/CB Helio G70 (12 nm)
CPU
C100i
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
C3i
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU
C100i
Mali-G57 MP1
C3i
Mali-G52 2EEMC2
Card slot
C100i
microSDXC
C3i
microSDXC (dedicated slot)
Internal
C100i
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
C3i
32GB 2GB RAM
Other
C100i
eMMC 5.1
C3i
eMMC 5.1
Single
C100i
8 MP, f/2.0, (wide), AF
C3i
-
Features
C100i
LED flash, HDR, panorama
C3i
LED flash, HDR, panorama
Video
C100i
1080p@30fps
C3i
1080p@30fps, 720p@120fps
Dual
C100i
-
C3i
12 MP, f/1.8, 28mm (wide), 1/2.8", 1.25µm, PDAF Auxiliary lens
Single
C100i
5 MP, f/2.2, (wide)
C3i
5 MP, f/2.4, 27mm (wide), 1/5.0", 1.12µm
Video
C100i
720p@30fps
C3i
1080p@30fps
Features
C100i
-
C3i
HDR, panorama
Loudspeaker
C100i
Yes
C3i
Yes
3.5mm jack
C100i
Yes
C3i
Yes
WLAN
C100i
Wi-Fi 802.11 a/b/g/n/ac, dual-band
C3i
Bluetooth
C100i
5.2, A2DP, LE
C3i
5.0, A2DP, LE, aptX
Positioning
C100i
GPS, GALILEO, GLONASS, BDS
C3i
GPS, GLONASS, BDS
NFC
C100i
No
C3i
No
Radio
C100i
Unspecified
C3i
FM radio
USB
C100i
USB Type-C 2.0, OTG
C3i
microUSB 2.0, OTG
Sensors
C100i
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
C3i
Accelerometer, proximity, compass
Type
C100i
Si/C Li-Ion 7000 mAh
C3i
5000 mAh
Charging
C100i
15W wired, PD, QC Reverse wired
C3i
10W wired
Colors
C100i
Dawn Purple, Dusk Gray
C3i
Frozen Blue, Blazing Red
Models
C100i
RMX5377
C3i
RMX2027, RMX2020
Price
C100i
About 110 EUR
C3i
About 100 EUR