Redmi A3x vs Karbonn A21 comparison

Show Only Differences Highlight Differences	Redmi A3x	Karbonn A21
key specs
Display	6.71-inch	4.50-inch
Front Camera	5-megapixel	1.3-megapixel
Rear Camera	8-megapixel + Unspecified	5-megapixel
RAM	3GB, 4GB	512MB
Storage	64GB, 128GB	4GB
Battery Capacity	5000mAh	1800mAh
OS	Android 14	Android 4
Resolution	720x1650 pixels	480x800 pixels
Processor	-	Qualcomm Snapdragon S4 Play
general
Brand	Redmi	Karbonn
Model	A3x	A21
Release date	June 5, 2024	December 1, 2012
Launched in India	No	-
Form factor	Touchscreen	Bar
Dimensions (mm)	168.30 x 76.30 x 8.30	-
Weight (g)	199.00	-
Battery capacity (mAh)	5000	1800
Removable battery	No	No
Wireless charging	No	-
Colours	Aurora Green, Midnight Black, Moonlight White	Pearl White
display
Refresh Rate	90 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.71	4.50
Touchscreen	Yes	Yes
Resolution	720x1650 pixels	480x800 pixels
hardware
Processor make	Unisoc T603	Qualcomm Snapdragon S4 Play (MSM8225)
RAM	3GB, 4GB	512MB
Internal storage	64GB, 128GB	4GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	microSD
Expandable storage up to (GB)	1024	32
Processor	-	1.2GHz one-core
camera
Rear camera	8-megapixel + Unspecified	5-megapixel
No. of Rear Cameras	2	-
Front camera	5-megapixel	1.3-megapixel
No. of Front Cameras	1	-
Pop-Up Camera	No	-
Rear flash	-	LED
software
Operating system	Android 14	Android 4
Skin	MIUI 14	-
connectivity
Wi-Fi	Yes	No
Wi-Fi standards supported	802.11 ac	-
GPS	Yes	Yes
Bluetooth	Yes, v 5.40	Yes
USB Type-C	Yes	-
Active 4G on both SIM cards	Yes	-
NFC	-	No
Infrared	-	No
USB OTG	-	No
FM	-	No
Number of SIMs	-	2
Wi-Fi Direct	-	No
Mobile High-Definition Link (MHL)	-	No
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	-	No
Proximity sensor	-	No
Accelerometer	-	No
Ambient light sensor	-	No
Gyroscope	-	No
Barometer	-	No
Temperature sensor	-	No
sim 1
SIM Type	-	Regular
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	No
sim 2
SIM Type	-	Regular
GSM/CDMA	-	GSM
3G	-	Yes
4G/ LTE	-	No

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