Tecno Spark Go 5G vs Lava Z91 comparison

Show Only Differences Highlight Differences	Tecno Spark Go 5G	Lava Z91
key specs
Display	6.74-inch	5.70-inch
Front Camera	5-megapixel	8-megapixel
Rear Camera	50-megapixel	13-megapixel
RAM	4GB	3GB
Storage	128GB	32GB
Battery Capacity	6000mAh	3000mAh
OS	Android 15	Android 7.1 Nougat
Resolution	720x1600 pixels	720x1440 pixels
Processor	-	MediaTek MT6739
general
Brand	Tecno	Lava
Model	Spark Go 5G	Z91
Release date	August 14, 2025	March 1, 2018
Launched in India	Yes	-
Form factor	Touchscreen	Touchscreen
Thickness	7.99	-
Weight (g)	194.00	-
IP rating	IP64	-
Battery capacity (mAh)	6000	3000
Colours	Ink Black, Sky Blue, Turquoise Green	-
display
Refresh Rate	120 Hz	-
Resolution Standard	HD+	-
Screen size (inches)	6.74	5.70
Touchscreen	Yes	Yes
Resolution	720x1600 pixels	720x1440 pixels
hardware
Processor make	MediaTek Dimensity 6400	MediaTek MT6739
RAM	4GB	3GB
Internal storage	128GB	32GB
Processor	-	1.3GHz quad-core
Expandable storage	-	Yes
Expandable storage up to (GB)	-	128
camera
Rear camera	50-megapixel	13-megapixel
Rear flash	Yes	Yes
Front camera	5-megapixel	8-megapixel
No. of Front Cameras	1	-
Front flash	-	Yes
software
Operating system	Android 15	Android 7.1 Nougat
Skin	HiOS	Star OS 4.2
connectivity
Wi-Fi	Yes	-
GPS	Yes	-
Bluetooth	Yes	-
NFC	No	-
Infrared	Yes	-
USB Type-C	Yes	-
Number of SIMs	-	2

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