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Lava Z91 vs Lava Z50 vs Redmi 5A vs Xiaomi Redmi 4A

Lava Z91 vs Lava Z50 vs Redmi 5A vs Xiaomi Redmi 4A comparison

Show Only Differences Highlight Differences	Lava Z91	Lava Z50	Redmi 5A	Xiaomi Redmi 4A
key specs
Display	5.70-inch	4.50-inch	5.00-inch	5.00-inch
Processor	MediaTek MT6739	MediaTek MT6737M	Qualcomm Snapdragon 425	Qualcomm Snapdragon 425
Front Camera	8-megapixel	5-megapixel	5-megapixel	5-megapixel
Rear Camera	13-megapixel	5-megapixel	13-megapixel	13-megapixel
RAM	3GB	1GB	2GB	2GB
Storage	32GB	8GB	16GB	16GB
Battery Capacity	3000mAh	2000mAh	3000mAh	3120mAh
OS	Android 7.1 Nougat	Android 8.1	Android 7.1.2	Android 6.0
Resolution	720x1440 pixels	480x854 pixels	720x1280 pixels	720x1280 pixels
general
Brand	Lava	Lava	Xiaomi	Xiaomi
Model	Z91	Z50	Redmi 5A	Redmi 4A
Release date	March 1, 2018	February 1, 2018	October 1, 2017	November 1, 2016
Form factor	Touchscreen	Touchscreen	Touchscreen	Touchscreen
Battery capacity (mAh)	3000	2000	3000	3120
Dimensions (mm)	-	135.00 x 66.60 x 9.70	140.40 x 70.10 x 8.40	139.50 x 70.40 x 8.50
Weight (g)	-	140.00	137.00	131.50
Colours	-	Black, Gold	Gold, Rose Gold, Grey	Golden, Rose Gold, Dark Grey
Launched in India	-	-	Yes	Yes
Body type	-	-	Metal	-
Removable battery	-	-	No	No
display
Screen size (inches)	5.70	4.50	5.00	5.00
Touchscreen	Yes	Yes	Yes	Yes
Resolution	720x1440 pixels	480x854 pixels	720x1280 pixels	720x1280 pixels
Aspect ratio	-	-	16:9	16:9
Pixels per inch (PPI)	-	-	294	296
hardware
Processor	1.3GHz quad-core	1.1GHz quad-core	1.4GHz quad-core	1.4GHz quad-core
Processor make	MediaTek MT6739	MediaTek MT6737M	Qualcomm Snapdragon 425	Qualcomm Snapdragon 425
RAM	3GB	1GB	2GB	2GB
Internal storage	32GB	8GB	16GB	16GB
Expandable storage	Yes	Yes	Yes	Yes
Expandable storage up to (GB)	128	-	256	128
Expandable storage type	-	microSD	microSD	microSD
camera
Rear camera	13-megapixel	5-megapixel	13-megapixel (f/2.2)	13-megapixel (f/2.2)
Rear flash	Yes	Yes	LED	Dual LED
Front camera	8-megapixel	5-megapixel	5-megapixel (f/2.0)	5-megapixel (f/2.2)
Front flash	Yes	Yes	No	-
Rear autofocus	-	-	Phase detection autofocus	-
software
Operating system	Android 7.1 Nougat	Android 8.1	Android 7.1.2	Android 6.0
Skin	Star OS 4.2	-	MIUI 9	MIUI 8
connectivity
Number of SIMs	2	2	2	2
Wi-Fi	-	Yes	Yes	Yes
Wi-Fi standards supported	-	802.11 b/g/n	802.11 b/g/n	802.11 a/b/g/n
GPS	-	Yes	Yes	Yes
Bluetooth	-	Yes	Yes, v 4.10	Yes, v 4.10
Headphones	-	3.5mm	3.5mm	3.5mm
NFC	-	-	No	No
Infrared	-	-	Yes	Yes
USB OTG	-	-	Yes	Yes
Micro-USB	-	-	Yes	-
FM	-	-	Yes	Yes
Wi-Fi Direct	-	-	No	Yes
Mobile High-Definition Link (MHL)	-	-	No	No
sim 1
SIM Type	-	Nano-SIM	Nano-SIM	Micro-SIM
GSM/CDMA	-	GSM	GSM	GSM
3G	-	Yes	Yes	Yes
4G/ LTE	-	Yes	Yes	Yes
sim 2
SIM Type	-	Nano-SIM	Nano-SIM	Nano-SIM
GSM/CDMA	-	GSM	GSM	GSM
3G	-	Yes	Yes	Yes
4G/ LTE	-	Yes	Yes	Yes
sensors
Accelerometer	-	Yes	Yes	Yes
Compass/ Magnetometer	-	-	No	No
Proximity sensor	-	-	Yes	Yes
Ambient light sensor	-	-	Yes	Yes
Gyroscope	-	-	No	Yes
Barometer	-	-	No	No
Temperature sensor	-	-	No	No
ratings
Overall NDTV Rating	-	-	Read Review	Read Review
Design Rating	-	-
Display Rating	-	-
Software Rating	-	-
Performance Rating	-	-
Battery Life Rating	-	-
Camera Rating	-	-
Value for Money Rating	-	-

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