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Oppo F21 Pro 5g vs Realme C100x

Should you buy OPPO F21 Pro 5G or Realme C100X? Find out which mobile phone is best for you - compare the two models on the basis of price a...nd key specs like performance, price, camera, display, ram, storage, battery capacity, operating system, Network Connectivity, Multimedia and more.

Specifications	OPPO F21 Pro 5G	Realme C100X
Price	17999.0	16999.0
Camera	64 MP + 2 MP + 2 MP And 16 MP	50MP And 5MP
Operating System	Android v12	Android 16

Oppo F21 Pro 5g

₹17,999

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Realme C100x

₹16,999

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Audio

Audio Jack
3.5 mm	3.5mm
Loudspeaker
Yes	Realme C100x Loudspeaker Module

Battery

Capacity
4500 mAh	8000mAh
Quick Charging
Yes, Super VOOC, 33W: 31 % in 15 minutes	45W SUPERVOOC
Removable
No	No
Type
Li-Polymer	Titan Battery
USB Type-C
Yes	Yes

Camera

Autofocus
Yes	Yes
Flash
Yes, LED Flash	Yes
Front Camera
16 MP	5MP
Front Camera Physical Aperture
-	f/2.2
Image Resolution
9000 x 7000 Pixels	720 × 1570 pixels
Rear Camera
64 MP + 2 MP + 2 MP	50MP
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR) Macro Mode	Photo, Video, Portrait, Night, PRO, Panorama, SLO-MO, Dual-view video, TIME-LAPSE, STICKER, Hypertext, HI-RES, Google Lens
Video Recording
1920x1080 @ 30 fps 1280x720 @ 30 fps	1080p at 30 fps

Design

Build Material
-	Polycarbonate
Colours
Cosmic Black, Rainbow Spectrum	Gold, Deep Blue
Form Factor
-	Bar
Water Resistance
-	IP64
Weight
173 grams	219g

Dimensions

Dimensions
-	16.60 cm × 7.82 cm × 0.88 cm
Height
159.9 mm	16.60 cm
Thickness
7.5 mm	0.88 cm
Width
73.2 mm	7.82 cm

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Display

Aspect Ratio
20:9	20:9
Bezel-less display
Yes with punch-hole display	Punch-hole display
Brightness
600 nits	900 nits
Display Type
AMOLED	IPS LCD
HDR / Ultra HDR
-	HDR
Pixel Density
409 ppi	254 ppi
Refresh Rate
60 Hz	120 Hz
Resolution
1080x2400 px (FHD+)	720 × 1570 pixel
Screen Protection
Yes	-
Screen Size
6.43 inches (16.33 cm)	6.8-inch
Screen to Body Ratio (claimed by the brand)
90.80 %	90.4%

General

Brand
OPPO	Realme
Custom UI
ColorOS	Realme UI 7
Launch Date
April 12, 2022	July 16, 2026
Model
-	RMX5366
Operating System
Android v12	Android 16
SAR Value
Head: 1.120 W/kg, Body: 1.051 W/kg	1.6 W/kg

Network & Connectivity

Bluetooth
Yes, v5.0	v5.2
GPS
Yes with A-GPS, Glonass	GPS, GLONASS, BDS, Galileo
NFC
No	Yes
Network Support
5G Supported in India, 4G Supported in India, 3G, 2G	5G, 4G , 3G, 2G
SIM 1
5G Bands: FDD N1 / N8 / N28 TDD N41 / N77 / N78 4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	-
SIM 2
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available	-
SIM Size
SIM1: Nano, SIM2: Nano (Hybrid)	Nano SIM
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz	Wi-Fi 5
Wi-Fi Calling
-	Yes

Performance

Graphics
Adreno 619	ARM Mali-G57
Processor
Qualcomm Snapdragon 695	Unisoc T7250
Processor Fabrication
-	6nm
RAM
8 GB	4GB
RAM Type
LPDDR4X	LPDDR4X

Sensors

Fingerprint Sensor
Yes	Side-mounted fingerprint sensor
Other Sensors
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope	Geomagnetic, Proximity, Ambient Light, Accelerometer, Gyroscope