Realme C100x vs Realme C20 comparison

Show Only Differences Highlight Differences	Realme C100x	Realme C20
key specs
Display	6.80-inch	6.50-inch
Front Camera	5-megapixel	5-megapixel
Rear Camera	50-megapixel	8-megapixel
RAM	4GB	2GB
Storage	64GB	32GB
Battery Capacity	8000mAh	5000mAh
OS	Android 16	Android 10
Resolution	720x1570 pixels	720x1600 pixels
Processor	-	MediaTek Helio G35
general
Brand	Realme	Realme
Model	C100x	C20
Release date	July 16, 2026	January 22, 2021
AI Enabled	Yes	-
Launched in India	Yes	Yes
Dimensions (mm)	166.00 x 78.20 x 8.80	165.20 x 76.40 x 8.90
Weight (g)	219.00	190.00
IP rating	IP64	-
Battery capacity (mAh)	8000	5000
Fast charging	45W Fast Charging	-
Colours	Deepblue Tides, Golden Coast	Cool Blue, Cool Grey
Form factor	-	Touchscreen
display
Refresh Rate	120 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.80	6.50
Touchscreen	Yes	Yes
Resolution	720x1570 pixels	720x1600 pixels
Pixels per inch (PPI)	254	270
Aspect ratio	-	20:9
hardware
Processor make	Unisoc T7250	MediaTek Helio G35
RAM	4GB	2GB
Internal storage	64GB	32GB
Processor	-	octa-core
Expandable storage	-	Yes
Expandable storage type	-	microSD
Expandable storage up to (GB)	-	256
Dedicated microSD slot	-	Yes
camera
Rear camera	50-megapixel	8-megapixel (f/2.0, 1.12-micron)
No. of Rear Cameras	1	-
Front camera	5-megapixel	5-megapixel (f/2.2, 1.12-micron)
No. of Front Cameras	1	-
Rear autofocus	-	Yes
Rear flash	-	Yes
software
Operating system	Android 16	Android 10
Skin	Realme UI	Realme UI
connectivity
Wi-Fi	Yes	Yes
GPS	Yes	Yes
Bluetooth	Yes	Yes, v 5.00
USB Type-C	Yes	-
Number of SIMs	2	2
Wi-Fi standards supported	-	802.11 b/g/n
USB OTG	-	Yes
Micro-USB	-	Yes
Headphones	-	3.5mm
FM	-	Yes
sensors
Face unlock	Yes	-
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	Yes
Proximity sensor	Yes	Yes
Accelerometer	Yes	Yes
Ambient light sensor	Yes	Yes
sim 1
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes
sim 2
SIM Type	-	Nano-SIM
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	Yes

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