Redmi A4 5G vs Lava Z91 comparison

Show Only Differences Highlight Differences	Redmi A4 5G	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	6.88-inch	5.70-inch
Processor	Qualcomm Snapdragon 4s Gen 2	MediaTek MT6739
Front Camera	5-megapixel	8-megapixel
Rear Camera	50-megapixel + Unspecified	13-megapixel
RAM	4GB, 6GB	3GB
Storage	64GB, 128GB	32GB
Battery Capacity	5160mAh	3000mAh
OS	Android 14	Android 7.1 Nougat
Resolution	720x1640 pixels	720x1440 pixels
general
Brand	Redmi	Lava
Model	A4 5G	Z91
Release date	November 20, 2024	March 1, 2018
Launched in India	Yes	-
Dimensions (mm)	171.88 x 77.80 x 8.22	-
Weight (g)	212.35	-
IP rating	IP52	-
Battery capacity (mAh)	5160	3000
Removable battery	No	-
Wireless charging	No	-
Colours	Sparkling Purple, Starry Bllack	-
Form factor	-	Touchscreen
display
Refresh Rate	120 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.88	5.70
Touchscreen	Yes	Yes
Resolution	720x1640 pixels	720x1440 pixels
hardware
Processor	octa-core	1.3GHz quad-core
Processor make	Qualcomm Snapdragon 4s Gen 2	MediaTek MT6739
RAM	4GB, 6GB	3GB
Internal storage	64GB, 128GB	32GB
Expandable storage	Yes	Yes
Expandable storage type	microSD	-
Expandable storage up to (GB)	1-24	128
Dedicated microSD slot	Yes	-
camera
Rear camera	50-megapixel (f/1.8) + Unspecified	13-megapixel
No. of Rear Cameras	2	-
Front camera	5-megapixel (f/2.2)	8-megapixel
No. of Front Cameras	1	-
Rear flash	-	Yes
Front flash	-	Yes
software
Operating system	Android 14	Android 7.1 Nougat
Skin	HyperOS	Star OS 4.2
connectivity
Wi-Fi	Yes	-
Wi-Fi standards supported	802.11 a/b/g/n/ac	-
GPS	Yes	-
Bluetooth	Yes, v 5.00	-
USB Type-C	Yes	-
Number of SIMs	2	2
Active 4G on both SIM cards	Yes	-
sim 1
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
5G	Yes	-
sim 2
SIM Type	Nano-SIM	-
GSM/CDMA	GSM	-
3G	Yes	-
4G/ LTE	Yes	-
5G	Yes	-

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