Realme C21 vs Lava Z91 comparison

Show Only Differences Highlight Differences	Realme C21	Lava Z91
ratings
Overall NDTV Rating	Read Review	-
Design Rating		-
Display Rating		-
Software Rating		-
Performance Rating		-
Battery Life Rating		-
Camera Rating		-
Value for Money Rating		-
key specs
Display	6.50-inch	5.70-inch
Processor	MediaTek Helio G35	MediaTek MT6739
Front Camera	5-megapixel	8-megapixel
Rear Camera	13-megapixel + 2-megapixel + 2-megapixel	13-megapixel
RAM	3GB, 4GB	3GB
Storage	32GB, 64GB	32GB
Battery Capacity	5000mAh	3000mAh
OS	Android 10	Android 7.1 Nougat
Resolution	720x1600 pixels	720x1440 pixels
general
Brand	Realme	Lava
Model	C21	Z91
Release date	April 8, 2021	March 1, 2018
Launched in India	Yes	-
Dimensions (mm)	165.20 x 76.40 x 8.90	-
Weight (g)	190.00	-
Battery capacity (mAh)	5000	3000
Colours	Cross Black, Cross Blue	-
Form factor	-	Touchscreen
display
Screen size (inches)	6.50	5.70
Touchscreen	Yes	Yes
Resolution	720x1600 pixels	720x1440 pixels
hardware
Processor	octa-core	1.3GHz quad-core
Processor make	MediaTek Helio G35	MediaTek MT6739
RAM	3GB, 4GB	3GB
Internal storage	32GB, 64GB	32GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	-
Expandable storage up to (GB)	256	128
Dedicated microSD slot	Yes	-
camera
Rear camera	13-megapixel (f/2.2) + 2-megapixel (f/2.4) + 2-megapixel (f/2.4)	13-megapixel
No. of Rear Cameras	3	-
Front camera	5-megapixel (f/2.2)	8-megapixel
No. of Front Cameras	1	-
Rear flash	-	Yes
Front flash	-	Yes
software
Operating system	Android 10	Android 7.1 Nougat
Skin	Realme UI	Star OS 4.2
connectivity
Wi-Fi	Yes	-
Wi-Fi standards supported	802.11 b/g/n	-
GPS	Yes	-
Bluetooth	Yes, v 5.00	-
Micro-USB	Yes	-
Headphones	3.5mm	-
Number of SIMs	2	2
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	-
sensors
Fingerprint sensor	Yes	-
Compass/ Magnetometer	Yes	-
Proximity sensor	Yes	-
Accelerometer	Yes	-
Ambient light sensor	Yes	-

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