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Lava Z81 vs Lava Z91 vs Samsung Galaxy J7 Prime 2
Lava Z81
vs
Lava Z91
vs
Samsung Galaxy J7 Prime 2
comparison
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Lava Z81
Lava Z91
Samsung Galaxy J7 Prime 2
key specs
Display
5.70-inch
5.70-inch
5.50-inch
Processor
MediaTek Helio A22
MediaTek MT6739
Samsung Exynos 7 Octa 7870
Front Camera
13-megapixel
8-megapixel
13-megapixel
Rear Camera
13-megapixel
13-megapixel
13-megapixel
RAM
2GB
3GB
3GB
Storage
32GB
32GB
32GB
Battery Capacity
3000mAh
3000mAh
3300mAh
OS
Android 8.1 Oreo
Android 7.1 Nougat
Android 7.0
Resolution
720x1440 pixels
720x1440 pixels
1080x1920 pixels
general
Brand
Lava
Lava
Samsung
Model
Z81
Z91
Galaxy J7 Prime 2
Release date
November 1, 2018
March 1, 2018
March 1, 2018
Launched in India
Yes
-
Yes
Form factor
Touchscreen
Touchscreen
Touchscreen
Dimensions (mm)
152.20 x 73.00 x 7.90
-
151.70 x 75.00 x 8.00
Weight (g)
141.60
-
170.00
Battery capacity (mAh)
3000
3000
3300
Colours
Black and Gold
-
Black
display
Screen size (inches)
5.70
5.70
5.50
Touchscreen
Yes
Yes
Yes
Resolution
720x1440 pixels
720x1440 pixels
1080x1920 pixels
Protection type
Gorilla Glass
-
-
Aspect ratio
18:9
-
16:9
Pixels per inch (PPI)
282
-
401
hardware
Processor
2GHz quad-core
1.3GHz quad-core
1.6GHz octa-core
Processor make
MediaTek Helio A22 (MT6761)
MediaTek MT6739
Samsung Exynos 7 Octa 7870
RAM
2GB
3GB
3GB
Internal storage
32GB
32GB
32GB
Expandable storage
Yes
Yes
Yes
Expandable storage type
microSD
-
microSD
Expandable storage up to (GB)
128
128
256
camera
Rear camera
13-megapixel
13-megapixel
13-megapixel (f/1.9)
Front camera
13-megapixel
8-megapixel
13-megapixel (f/1.9)
Rear flash
-
Yes
LED
Front flash
-
Yes
-
Rear autofocus
-
-
Yes
software
Operating system
Android 8.1 Oreo
Android 7.1 Nougat
Android 7.0
Skin
Star OS 5.0
Star OS 4.2
-
connectivity
Wi-Fi
Yes
-
Yes
Wi-Fi standards supported
802.11 b/g/n
-
802.11 b/g/n
GPS
Yes
-
Yes
Bluetooth
Yes, v 4.10
-
Yes, v 4.10
Micro-USB
Yes
-
Yes
FM
Yes
-
Yes
Number of SIMs
2
2
2
Active 4G on both SIM cards
Yes
-
-
Headphones
-
-
3.5mm
sim 1
SIM Type
Nano-SIM
-
Nano-SIM
GSM/CDMA
GSM
-
GSM
3G
Yes
-
Yes
4G/ LTE
Yes
-
Yes
sim 2
SIM Type
Nano-SIM
-
-
GSM/CDMA
GSM
-
-
3G
Yes
-
-
4G/ LTE
Yes
-
-
sensors
Face unlock
Yes
-
-
Fingerprint sensor
Yes
-
Yes
Compass/ Magnetometer
No
-
-
Proximity sensor
Yes
-
Yes
Accelerometer
Yes
-
Yes
Ambient light sensor
Yes
-
-
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