Screen size
6i6.5"
C100xWinner: 6.8"+4.4%
Quick verdict
C100x leads the measured specs 11-5.
Measured wins
6i
5
spec wins
Ties
6
equal specs
C100x
11
spec wins
Overall winner
Screen size
Technology
6i
GSM / HSPA / LTE
C100x
GSM / HSPA / LTE
2G bands
6i
GSM 850 / 900 / 1800 / 1900
C100x
GSM 850 / 900 / 1800 / 1900
3G bands
6i
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global, HSDPA 850 / 900 / 2100 - India
C100x
HSDPA 900 / 2100
4G bands
6i
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 - Global, 1, 3, 5, 8, 38, 40, 41 - India
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
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
C100x
1, 3, 5, 8, 40
Speed
6i
HSPA, LTE
C100x
HSPA, LTE
Announced
6i
2020, March 17. Released 2020, March 29
C100x
2026, May 07
Status
6i
Discontinued
C100x
Released May 15, 2026
Dimensions
6i
164.4 x 75.4 x 9 mm (6.47 x 2.97 x 0.35 in)
C100x
166.5 x 78.2 x 8.6 mm (6.56 x 3.08 x 0.34 in)
Weight
6i
199 g (7.02 oz)
C100x
219 g (7.72 oz)
Build
6i
Glass front, plastic back, plastic frame
C100x
Glass front, plastic frame, plastic back
SIM
6i
Nano-SIM + Nano-SIM
C100x
Nano-SIM + Nano-SIM
Other
6i
-
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
6i
IPS LCD
C100x
IPS LCD, 120Hz, 900 nits (HBM)
Size
6i
6.5 inches, 102.8 cm2 (~82.9% screen-to-body ratio)
C100x
6.8 inches, 113.0 cm2 (~86.8% screen-to-body ratio)
Resolution
6i
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
C100x
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
Protection
6i
Corning Gorilla Glass 3
C100x
ArmorShell glass, Mohs level 5
OS
6i
Android 10, Realme UI
C100x
Android 16
Chipset
6i
Mediatek MT6769V/CU Helio G80 (12 nm)
C100x
Unisoc T7250 (12 nm)
CPU
6i
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
C100x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
6i
Mali-G52 MC2
C100x
Mali-G57 MP1
Card slot
6i
microSDXC (dedicated slot)
C100x
microSDXC
Internal
6i
64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM
C100x
128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 6GB RAM
Other
6i
eMMC 5.1
C100x
eMMC 5.1
Quad
6i
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.3, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) 2 MP B/W, f/2.4
C100x
-
Features
6i
LED flash, HDR, panorama
C100x
LED flash, HDR, panorama
Video
6i
1080p@30fps, gyro-EIS
C100x
1080p@30fps
Dual
6i
-
C100x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
6i
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
C100x
5 MP, f/2.2, (wide)
Features
6i
HDR, panorama
C100x
-
Video
6i
1080p@30fps
C100x
720p@30fps
Loudspeaker
6i
Yes
C100x
Yes
3.5mm jack
6i
Yes
C100x
Yes
WLAN
6i
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
C100x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
6i
5.0, A2DP, LE
C100x
5.2, A2DP, LE
Positioning
6i
GPS, GLONASS, BDS
C100x
GPS, GALILEO, GLONASS, BDS
NFC
6i
Yes (market/region dependent)
C100x
Yes (market/region dependent)
Radio
6i
FM radio
C100x
Unspecified
USB
6i
USB Type-C 2.0, OTG
C100x
USB Type-C 2.0, OTG
Sensors
6i
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
C100x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
6i
5000 mAh
C100x
Si/C Li-Ion 8000 mAh
Charging
6i
18W wired 5W reverse wired
C100x
45W wired, 45W PPS, 13.5W PD Reverse wired
Colors
6i
White Milk, Green Tea, Blue Soda
C100x
Golden Coast, Deepblue Tides
Models
6i
RMX2040
C100x
RMX5366
Price
6i
About 400 EUR
C100x
About 160 EUR