Realme C100x vs Xiaomi Redmi K80 Pro

Key Specs

Battery
-	6000 mAh
Display
-	6.67 inches (16.94 cm)
Front Camera
-	20 MP
Processor
-	Qualcomm Snapdragon 8 Elite
RAM & Storage
-	12 GB RAM + 256 GB
Rear Camera
-	50 MP + 32 MP + 50 MP

Audio

Audio Jack
3.5mm	-
Loudspeaker
Realme C100x Loudspeaker Module	-

Battery

Capacity
8000mAh	6000 mAh
Quick Charging
45W SUPERVOOC	Yes, Fast, 120W: 100 % in 28 minutes
Removable
No	No
Type
Titan Battery	Silicon Carbon
USB Type-C
Yes	Yes
Wireless Charging
-	Yes

Camera

Autofocus
Yes	-
Flash
Yes	-
Front Camera
5MP	-
Front Camera Physical Aperture
f/2.2	-
Image Resolution
720 × 1570 pixels	-
Rear Camera
50MP	-
Shooting Modes
Photo, Video, Portrait, Night, PRO, Panorama, SLO-MO, Dual-view video, TIME-LAPSE, STICKER, Hypertext, HI-RES, Google Lens	-
Video Recording
1080p at 30 fps	-

Design

Build Material
Polycarbonate	-
Colours
Gold, Deep Blue	Snow Rock White, Mountain Green, Mysterious Night Black
Form Factor
Bar	-
Height
-	160.26 mm
Ruggedness
-	Dust proof
Thickness
-	8.39 mm
Water Resistance
IP64	-
Waterproof
-	Yes, Water resistant (up to 30 minutes in a depth of 2.5 meter), IP68
Weight
219g	212 grams
Width
-	74.95 mm

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Dimensions

Dimensions
16.60 cm × 7.82 cm × 0.88 cm	-
Height
16.60 cm	-
Thickness
0.88 cm	-
Width
7.82 cm	-

Display

Aspect Ratio
20:9	20:9
Bezel-less display
Punch-hole display	Yes with punch-hole display
Brightness
900 nits	-
Display Type
IPS LCD	OLED
HDR / Ultra HDR
HDR	-
HDR 10 / HDR+ support
-	Yes, HDR 10+
Peak Brightness
-	3200 nits
Pixel Density
254 ppi	526 ppi
Refresh Rate
120 Hz	120 Hz
Resolution
720 × 1570 pixel	1440x3200 px (QHD+)
Screen Protection
-	Yes
Screen Size
6.8-inch	6.67 inches (16.94 cm)
Screen to Body Ratio (calculated)
-	89.42 %
Screen to Body Ratio (claimed by the brand)
90.4%	-
Touch Screen
-	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Setup
-	Single
Resolution
-	20 MP, Wide Angle, Primary Camera
Video Recording
-	Full HD @ 60 FPS HD @ 120 FPS

General

Brand
Realme	Xiaomi
Custom UI
Realme UI 7	HyperOS
Launch Date
July 16, 2026	-
Model
RMX5366	-
Operating System
Android 16	Android v15
SAR Value
1.6 W/kg	-

Main Camera

Autofocus
-	Yes
Camera Features
-	Digital Zoom Auto Flash Face detection Touch to focus
Camera Setup
-	Triple
Flash
-	Yes, LED Flash
Image Resolution
-	8150 x 6150 Pixels
OIS
-	Yes
Resolution
-	50 MP f/1.6, Wide Angle, Primary Camera(24 mm focal length, 1/1.55" sensor size, Light Fusion 800, 1µm pixel size)32 MP f/2.2, Ultra-Wide Angle Camera(15 mm focal length)50 MP f/2.0, Telephoto Camera(60 mm focal length, 1/2.7" sensor size, 0.64µm pixel size)
Settings
-	Exposure compensation, ISO control
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR)
Video Recording
-	8k @ 24 FPS 4k @ 60 FPS Full HD @ 960 FPS HD @ 1920 FPS

Multimedia

Audio Jack
-	USB Type-C
FM Radio
-	No
Loudspeaker
-	Yes
Stereo Speakers
-	Yes

Network & Connectivity

Bluetooth
v5.2	Yes, v6.0
GPS
GPS, GLONASS, BDS, Galileo	Yes with A-GPS, Glonass
NFC
Yes	Yes
Network Support
5G, 4G , 3G, 2G	5G, 4G, 3G, 2G
SIM 1
-	5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N26 / N28 TDD N38 / N40 / N41 / N48 / N66 / N77 / N78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 850(band 26) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
-	5G Bands: FDD N1 / N3 / N5 / N7 / N8 / N26 / N28 TDD N38 / N40 / N41 / N48 / N66 / N77 / N78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1700(band 4) / 850(band 5) / 850(band 18) / 850(band 19) / 850(band 26) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
Nano SIM	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM	Dual SIM, GSM+GSM
USB Connectivity
-	Mass storage device, USB charging
VoLTE
Yes	Yes
Wi-Fi
Wi-Fi 5	Yes, Wi-Fi 7 (802.11 a/b/g/n/ac/be/ax) 5GHz 6GHz, MIMO
Wi-Fi Calling
Yes	-
Wi-Fi Features
-	Wi-Fi Direct, Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
-	Octa core (4.32 GHz, Dual core, Oryon + 3.53 GHz, Hexa Core, Oryon)
Chipset
-	Qualcomm Snapdragon 8 Elite
Fabrication
-	3 nm
Graphics
ARM Mali-G57	Adreno 830
Processor
Unisoc T7250	-
Processor Fabrication
6nm	-
RAM
4GB	12 GB
RAM Type
LPDDR4X	LPDDR5X
RAM type
-	LPDDR5X

Sensors

Fingerprint Sensor
Side-mounted fingerprint sensor	Yes
Fingerprint Sensor Position
-	On-screen
Fingerprint Sensor Type
-	Ultrasonic
Other Sensors
Geomagnetic, Proximity, Ambient Light, Accelerometer, Gyroscope	Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope

Storage

Expandable Memory
-	No
Internal Memory
64GB	256 GB
Storage Type
eMMC 5.1	UFS 4.0
USB OTG
-	Yes