Screen size
equal specsC100x6.8"
P4R6.8"
Quick verdict
P4R leads the measured specs 6-3.
Measured wins
C100x
3
spec wins
Ties
13
equal specs
P4R
6
spec wins
Overall winner
Screen size
equal specsTechnology
C100x
GSM / HSPA / LTE
P4R
GSM / HSPA / LTE / 5G
2G bands
C100x
GSM 850 / 900 / 1800 / 1900
P4R
GSM 850 / 900 / 1800 / 1900
3G bands
C100x
HSDPA 900 / 2100
P4R
HSDPA 850 / 900 / 2100
4G bands
C100x
1, 3, 5, 8, 40
Resolution
equal specsRefresh rate
Peak brightness
Pixel density
equal specsCPU speed
RAM
equal specsStorage
equal specsMain camera
equal specsFront camera
Battery
equal specsWired charging
Weight
Thickness
IP rating
Wi‑Fi
equal specsBluetooth
equal specsUSB
equal specs5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
P4R
LTE
Speed
C100x
HSPA, LTE
P4R
HSPA, LTE, 5G
5G bands
C100x
-
P4R
SA/NSA
Announced
C100x
2026, May 07
P4R
Not announced yet
Status
C100x
Released May 15, 2026
P4R
Rumored
Dimensions
C100x
166.5 x 78.2 x 8.6 mm (6.56 x 3.08 x 0.34 in)
P4R
-
Weight
C100x
219 g (7.72 oz)
P4R
-
Build
C100x
Glass front, plastic frame, plastic back
P4R
Glass front, plastic frame, plastic back
SIM
C100x
Nano-SIM + Nano-SIM
P4R
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.)
P4R
IP65 dust tight and water resistant (low pressure water jets) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Type
C100x
IPS LCD, 120Hz, 900 nits (HBM)
P4R
IPS LCD, 144Hz, 600 nits (typ), 900 nits (HBM), 1200 nits (peak)
Size
C100x
6.8 inches, 113.0 cm2 (~86.8% screen-to-body ratio)
P4R
6.8 inches, 113.0 cm2 (~86.7% screen-to-body ratio)
Resolution
C100x
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
P4R
720 x 1570 pixels, 19.5:9 ratio (~254 ppi density)
Protection
C100x
ArmorShell glass, Mohs level 5
P4R
-
OS
C100x
Android 16
P4R
Android 16, Realme UI 7.0
Chipset
C100x
Unisoc T7250 (12 nm)
P4R
Mediatek Dimensity 6300 (6 nm)
CPU
C100x
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
P4R
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
C100x
Mali-G57 MP1
P4R
Mali-G57 MC2
Card slot
C100x
microSDXC
P4R
microSDXC (uses shared SIM slot)
Internal
C100x
128GB 4GB RAM, 128GB 6GB RAM, 256GB 4GB RAM, 256GB 6GB RAM
P4R
128GB 4GB RAM, 256GB 6GB RAM
Other
C100x
eMMC 5.1
P4R
-
Dual
C100x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
P4R
-
Features
C100x
LED flash, HDR, panorama
P4R
LED flash, HDR, panorama
Video
C100x
1080p@30fps
P4R
1080p@30fps
Single
C100x
-
P4R
50 MP, f/1.8, (wide), AF
Single
C100x
5 MP, f/2.2, (wide)
P4R
8 MP, f/2.2, (wide)
Video
C100x
720p@30fps
P4R
1080p@30fps
Loudspeaker
C100x
Yes
P4R
Yes
3.5mm jack
C100x
Yes
P4R
Yes
WLAN
C100x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
P4R
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
C100x
5.2, A2DP, LE
P4R
5.3, A2DP, LE
Positioning
C100x
GPS, GALILEO, GLONASS, BDS
P4R
GPS, GALILEO, GLONASS, QZSS, BDS
NFC
C100x
Yes (market/region dependent)
P4R
Unspecified
Radio
C100x
Unspecified
P4R
No
USB
C100x
USB Type-C 2.0, OTG
P4R
USB Type-C 2.0, OTG
Sensors
C100x
Fingerprint (side-mounted), accelerometer, proximity, compass
P4R
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
C100x
Si/C Li-Ion 8000 mAh
P4R
Si/C Li-Ion 8000 mAh
Charging
C100x
45W wired, 45W PPS, 13.5W PD Reverse wired
P4R
45 wired, PPS, 13.5W PD 27W reverse wired
Colors
C100x
Golden Coast, Deepblue Tides
P4R
Silver Glare, Titanium Glare, Lavender Glare
Models
C100x
RMX5366
P4R
-
Price
C100x
About 160 EUR
P4R
-