Screen size
Quick verdict
X2 leads the measured specs 8-6.
Measured wins
C100i
6
spec wins
Ties
7
equal specs
X2
8
spec wins
Overall winner
Screen size
Technology
C100i
GSM / HSPA / LTE
X2
GSM / CDMA / HSPA / EVDO / LTE
2G bands
C100i
GSM 850 / 900 / 1800 / 1900
X2
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
C100i
HSDPA 850 / 900 / 2100
X2
HSDPA 850 / 900 / 1900 / 2100 , CDMA2000 1xEV-DO , HSDPA 850 / 900 / 2100 - EMEA
4G bands
C100i
1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
X2
1, 3, 4, 5, 8, 34, 38, 39, 40, 41 - China, 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - EMEA
Speed
C100i
HSPA, LTE
X2
HSPA, LTE
Announced
C100i
2026, April 30
X2
2019, September 24. Released 2019, September
Status
C100i
Released May 7, 2026
X2
Discontinued
Dimensions
C100i
166.5 x 78.2 x 8.4 mm (6.56 x 3.08 x 0.33 in)
X2
158.7 x 75.2 x 8.6 mm (6.25 x 2.96 x 0.34 in)
Weight
C100i
208 g (7.34 oz)
X2
182 g (6.42 oz)
Build
C100i
Glass front, plastic frame, plastic back
X2
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
SIM
C100i
Nano-SIM + Nano-SIM
X2
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
X2
-
Type
C100i
IPS LCD, 120Hz
X2
Super AMOLED
Size
C100i
6.8 inches, 113.0 cm2 (~86.8% screen-to-body ratio)
X2
6.4 inches, 100.5 cm2 (~84.3% screen-to-body ratio)
Resolution
C100i
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
X2
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection
C100i
Panda MN228 or Corning Gorilla Glass
X2
Corning Gorilla Glass 5
OS
C100i
Android 16
X2
Android 9.0 (Pie), upgradable to Android 10, Realme UI
Chipset
C100i
Unisoc T7250 (12 nm)
X2
Qualcomm SDM730 Snapdragon 730G (8 nm)
CPU
C100i
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
X2
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU
C100i
Mali-G57 MP1
X2
Adreno 618
Card slot
C100i
microSDXC
X2
microSDXC (dedicated slot)
Internal
C100i
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
X2
64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
C100i
eMMC 5.1
X2
UFS 2.1
Single
C100i
8 MP, f/2.0, (wide), AF
X2
-
Features
C100i
LED flash, HDR, panorama
X2
LED flash, HDR, panorama
Video
C100i
1080p@30fps
X2
4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Quad
C100i
-
X2
64 MP, f/1.8, (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.3, 13mm (ultrawide) 2 MP (macro) Auxiliary lens
Single
C100i
5 MP, f/2.2, (wide)
X2
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video
C100i
720p@30fps
X2
1080p@30fps
Features
C100i
-
X2
HDR
Loudspeaker
C100i
Yes
X2
Yes
3.5mm jack
C100i
Yes
X2
Yes
WLAN
C100i
Wi-Fi 802.11 a/b/g/n/ac, dual-band
X2
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
C100i
5.2, A2DP, LE
X2
5.0, A2DP, LE
Positioning
C100i
GPS, GALILEO, GLONASS, BDS
X2
GPS, GLONASS, GALILEO, BDS
NFC
C100i
No
X2
Yes
Radio
C100i
Unspecified
X2
No
USB
C100i
USB Type-C 2.0, OTG
X2
USB Type-C 2.0, OTG
Sensors
C100i
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
X2
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
C100i
Si/C Li-Ion 7000 mAh
X2
4000 mAh, non-removable
Charging
C100i
15W wired, PD, QC Reverse wired
X2
30W wired, 67% in 30 min
Colors
C100i
Dawn Purple, Dusk Gray
X2
Pearl White, Pearl Blue, Pearl Green
Models
C100i
RMX5377
X2
RMX1992, RMX1993, RMX1991
Price
C100i
About 110 EUR
X2
About 480 EUR