Screen size
C100xWinner: 6.8"+5.9%
X26.4"
Quick verdict
C100x leads the measured specs 8-6.
Measured wins
C100x
8
spec wins
Overall winner
Ties
8
equal specs
X2
6
spec wins
Screen size
Technology
C100x
GSM / HSPA / LTE
X2
GSM / CDMA / HSPA / EVDO / LTE
2G bands
C100x
GSM 850 / 900 / 1800 / 1900
X2
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
C100x
HSDPA 900 / 2100
X2
HSDPA 850 / 900 / 1900 / 2100 , CDMA2000 1xEV-DO , HSDPA 850 / 900 / 2100 - EMEA
4G bands
C100x
1, 3, 5, 8, 40
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
equal specsIP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm 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
C100x
HSPA, LTE
X2
HSPA, LTE
Announced
C100x
2026, May 07
X2
2019, September 24. Released 2019, September
Status
C100x
Released May 15, 2026
X2
Discontinued
Dimensions
C100x
166.5 x 78.2 x 8.6 mm (6.56 x 3.08 x 0.34 in)
X2
158.7 x 75.2 x 8.6 mm (6.25 x 2.96 x 0.34 in)
Weight
C100x
219 g (7.72 oz)
X2
182 g (6.42 oz)
Build
C100x
Glass front, plastic frame, plastic back
X2
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
SIM
C100x
Nano-SIM + Nano-SIM
X2
Nano-SIM + Nano-SIM
Other
C100x
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 RGB light on the back (notifications, etc.)
X2
-
Type
C100x
IPS LCD, 120Hz, 900 nits (HBM)
X2
Super AMOLED
Size
C100x
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
C100x
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
X2
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Protection
C100x
ArmorShell glass, Mohs level 5
X2
Corning Gorilla Glass 5
OS
C100x
Android 16
X2
Android 9.0 (Pie), upgradable to Android 10, Realme UI
Chipset
C100x
Unisoc T7250 (12 nm)
X2
Qualcomm SDM730 Snapdragon 730G (8 nm)
CPU
C100x
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
C100x
Mali-G57 MP1
X2
Adreno 618
Card slot
C100x
microSDXC
X2
microSDXC (dedicated slot)
Internal
C100x
128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 6GB RAM
X2
64GB 4GB RAM, 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Other
C100x
eMMC 5.1
X2
UFS 2.1
Dual
C100x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
X2
-
Features
C100x
LED flash, HDR, panorama
X2
LED flash, HDR, panorama
Video
C100x
1080p@30fps
X2
4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Quad
C100x
-
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
C100x
5 MP, f/2.2, (wide)
X2
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Video
C100x
720p@30fps
X2
1080p@30fps
Features
C100x
-
X2
HDR
Loudspeaker
C100x
Yes
X2
Yes
3.5mm jack
C100x
Yes
X2
Yes
WLAN
C100x
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
C100x
5.2, A2DP, LE
X2
5.0, A2DP, LE
Positioning
C100x
GPS, GALILEO, GLONASS, BDS
X2
GPS, GLONASS, GALILEO, BDS
NFC
C100x
Yes (market/region dependent)
X2
Yes
Radio
C100x
Unspecified
X2
No
USB
C100x
USB Type-C 2.0, OTG
X2
USB Type-C 2.0, OTG
Sensors
C100x
Fingerprint (side-mounted), accelerometer, proximity, compass
X2
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
C100x
Si/C Li-Ion 8000 mAh
X2
4000 mAh, non-removable
Charging
C100x
45W wired, 45W PPS, 13.5W PD Reverse wired
X2
30W wired, 67% in 30 min
Colors
C100x
Golden Coast, Deepblue Tides
X2
Pearl White, Pearl Blue, Pearl Green
Models
C100x
RMX5366
X2
RMX1992, RMX1993, RMX1991
Price
C100x
About 160 EUR
X2
About 480 EUR