Screen size
6S6.5"
C100xWinner: 6.8"+4.4%
Quick verdict
C100x leads the measured specs 11-5.
Measured wins
6S
5
spec wins
Ties
6
equal specs
C100x
11
spec wins
Overall winner
Screen size
Technology
6S
GSM / HSPA / LTE
C100x
GSM / HSPA / LTE
2G bands
6S
GSM 850 / 900 / 1800 / 1900
C100x
GSM 850 / 900 / 1800 / 1900
3G bands
6S
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - International
C100x
HSDPA 900 / 2100
4G bands
6S
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41 - International
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main 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
C100x
1, 3, 5, 8, 40
Speed
6S
HSPA 42.2/11.5 Mbps, LTE (2CA) Cat6 300/75 Mbps
C100x
HSPA, LTE
Announced
6S
2020, May 26. Released 2020, June 02
C100x
2026, May 07
Status
6S
Discontinued
C100x
Released May 15, 2026
Dimensions
6S
162.1 x 74.8 x 8.9 mm (6.38 x 2.94 x 0.35 in)
C100x
166.5 x 78.2 x 8.6 mm (6.56 x 3.08 x 0.34 in)
Weight
6S
191 g (6.74 oz)
C100x
219 g (7.72 oz)
Build
6S
Glass front (Gorilla Glass 3), plastic back, plastic frame
C100x
Glass front, plastic frame, plastic back
SIM
6S
Nano-SIM + Nano-SIM
C100x
Nano-SIM + Nano-SIM
Other
6S
Weather-sealed ports & loudspeaker
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
6S
IPS LCD, 90Hz, 480 nits (typ)
C100x
IPS LCD, 120Hz, 900 nits (HBM)
Size
6S
6.5 inches, 102.0 cm2 (~84.1% screen-to-body ratio)
C100x
6.8 inches, 113.0 cm2 (~86.8% screen-to-body ratio)
Resolution
6S
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
C100x
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
Protection
6S
Corning Gorilla Glass 3
C100x
ArmorShell glass, Mohs level 5
OS
6S
Android 11, Realme UI 2.0
C100x
Android 16
Chipset
6S
Mediatek MT6785 Helio G90T (12 nm)
C100x
Unisoc T7250 (12 nm)
CPU
6S
Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
C100x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
6S
Mali-G76 MC4
C100x
Mali-G57 MP1
Card slot
6S
microSDXC (dedicated slot)
C100x
microSDXC
Internal
6S
64GB 4GB RAM, 128GB 6GB RAM
C100x
128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 6GB RAM
Other
6S
UFS 2.1
C100x
eMMC 5.1
Quad
6S
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) Auxiliary lens
C100x
-
Features
6S
LED flash, HDR, panorama
C100x
LED flash, HDR, panorama
Video
6S
4K@30fps, 1080p@30/60/120fps, gyro-EIS
C100x
1080p@30fps
Dual
6S
-
C100x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
Single
6S
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
C100x
5 MP, f/2.2, (wide)
Features
6S
HDR, panorama
C100x
-
Video
6S
1080p@30fps
C100x
720p@30fps
Loudspeaker
6S
Yes
C100x
Yes
3.5mm jack
6S
Yes
C100x
Yes
WLAN
6S
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
C100x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
6S
5.0, A2DP, LE
C100x
5.2, A2DP, LE
Positioning
6S
GPS, GLONASS, BDS
C100x
GPS, GALILEO, GLONASS, BDS
NFC
6S
No
C100x
Yes (market/region dependent)
Radio
6S
FM radio
C100x
Unspecified
USB
6S
USB Type-C 2.0, OTG
C100x
USB Type-C 2.0, OTG
Sensors
6S
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
C100x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
6S
4300 mAh
C100x
Si/C Li-Ion 8000 mAh
Charging
6S
30W wired, 100% in 55 min
C100x
45W wired, 45W PPS, 13.5W PD Reverse wired
Colors
6S
Eclipse Black, Lunar White
C100x
Golden Coast, Deepblue Tides
Models
6S
RMX2002
C100x
RMX5366
Price
6S
About 200 EUR
C100x
About 160 EUR