Screen size
equal specsC1006.8"
C100x6.8"
Quick verdict
C100x leads the measured specs 5-4.
Measured wins
C100
4
spec wins
Ties
14
equal specs
C100x
5
spec wins
Overall winner
Screen size
equal specsTechnology
C100
GSM / HSPA / LTE / 5G
C100x
GSM / HSPA / LTE
2G bands
C100
GSM 850 / 900 / 1800 / 1900
C100x
GSM 850 / 900 / 1800 / 1900
3G bands
C100
HSDPA 850 / 900 / 1700 / 1900 / 2100
C100x
HSDPA 900 / 2100
4G bands
C100
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 66
Resolution
equal specsRefresh rate
Peak brightness
equal specsPixel density
equal specsCPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
equal specsBluetooth
equal specsUSB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
C100x
1, 3, 5, 8, 40
5G bands
C100
1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 66, 77, 78 SA/NSA
C100x
-
Speed
C100
HSPA, LTE, 5G
C100x
HSPA, LTE
Announced
C100
2026, April 07
C100x
2026, May 07
Status
C100
Available. Released 2026, April 07
C100x
Released May 15, 2026
Dimensions
C100
166.8 x 78.2 x 8.9 mm (6.57 x 3.08 x 0.35 in)
C100x
166.5 x 78.2 x 8.6 mm (6.56 x 3.08 x 0.34 in)
Weight
C100
224 g (7.90 oz)
C100x
219 g (7.72 oz)
Build
C100
Glass front, plastic frame, plastic back
C100x
Glass front, plastic frame, plastic back
SIM
C100
Nano-SIM + Nano-SIM
C100x
Nano-SIM + Nano-SIM
Other
C100
IP64 dust tight and water resistant (water splashes) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
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.)
Type
C100
IPS LCD, 144Hz, 600 nits (typ), 900 nits (HBM)
C100x
IPS LCD, 120Hz, 900 nits (HBM)
Size
C100
6.8 inches, 113.0 cm2 (~86.7% screen-to-body ratio)
C100x
6.8 inches, 113.0 cm2 (~86.8% screen-to-body ratio)
Resolution
C100
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
C100x
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
Protection
C100
Corning Gorilla Glass
C100x
ArmorShell glass, Mohs level 5
OS
C100
Android 16, Realme UI 7.0
C100x
Android 16
Chipset
C100
Mediatek Dimensity 6300 (6 nm)
C100x
Unisoc T7250 (12 nm)
CPU
C100
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
C100x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
C100
Mali-G57 MC2
C100x
Mali-G57 MP1
Card slot
C100
microSDXC (uses shared SIM slot)
C100x
microSDXC
Internal
C100
128GB 4GB RAM, 128GB 6GB RAM
C100x
128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 6GB RAM
Other
C100
eMMC 5.1
C100x
eMMC 5.1
Single
C100
50 MP, f/1.8, (wide), AF
C100x
-
Features
C100
LED flash, HDR, panorama
C100x
LED flash, HDR, panorama
Video
C100
1080p@30fps
C100x
1080p@30fps
Dual
C100
-
C100x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
C100
5 MP, f/2.2, (wide)
C100x
5 MP, f/2.2, (wide)
Video
C100
1080p@30fps
C100x
720p@30fps
Loudspeaker
C100
Yes, with stereo speakers
C100x
Yes
3.5mm jack
C100
Yes
C100x
Yes
Other
C100
24-bit/192kHz Hi-Res audio
C100x
-
WLAN
C100
Wi-Fi 802.11 a/b/g/n/ac, dual-band
C100x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
C100
5.3, A2DP, LE
C100x
5.2, A2DP, LE
Positioning
C100
GPS, GALILEO, GLONASS, QZSS, BDS
C100x
GPS, GALILEO, GLONASS, BDS
NFC
C100
No
C100x
Yes (market/region dependent)
Radio
C100
No
C100x
Unspecified
USB
C100
USB Type-C 2.0, OTG
C100x
USB Type-C 2.0, OTG
Sensors
C100
Fingerprint (side-mounted), Proximity, Light, E-compass, Accelerometer
C100x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
C100
Si/C Li-Ion 7000 mAh
C100x
Si/C Li-Ion 8000 mAh
Charging
C100
45 wired (PPS), 13.5W PD 6.5W reverse wired
C100x
45W wired, 45W PPS, 13.5W PD Reverse wired
Colors
C100
Blooming Purple, Sprouting Green
C100x
Golden Coast, Deepblue Tides
Price
C100
About 200 EUR
C100x
About 160 EUR
Models
C100
-
C100x
RMX5366