key specs |
Display | 5.70-inch | 5.00-inch |
Processor | MediaTek Helio A22 | 1.1GHz quad-core |
Front Camera | 13-megapixel | 5-megapixel |
Rear Camera | 13-megapixel | 8-megapixel |
RAM | 2GB | 1GB |
Storage | 32GB | 16GB |
Battery Capacity | 3000mAh | 2700mAh |
OS | Android 8.1 Oreo | Android 7.0 |
Resolution | 720x1440 pixels | 480x854 pixels |
general |
Brand | Lava | Itel |
Model | Z81 | S21 |
Release date | November 1, 2018 | November 1, 2017 |
Launched in India | Yes | - |
Form factor | Touchscreen | Touchscreen |
Dimensions (mm) | 152.20 x 73.00 x 7.90 | - |
Weight (g) | 141.60 | - |
Battery capacity (mAh) | 3000 | 2700 |
Colours | Black and Gold | Moonlight Silver, Champagne Gold, Elegant Black |
Removable battery | - | Yes |
display |
Screen size (inches) | 5.70 | 5.00 |
Touchscreen | Yes | Yes |
Resolution | 720x1440 pixels | 480x854 pixels |
Protection type | Gorilla Glass | - |
Aspect ratio | 18:9 | - |
Pixels per inch (PPI) | 282 | - |
hardware |
Processor | 2GHz quad-core | 1.1GHz quad-core |
Processor make | MediaTek Helio A22 (MT6761) | - |
RAM | 2GB | 1GB |
Internal storage | 32GB | 16GB |
Expandable storage | Yes | Yes |
Expandable storage type | microSD | microSD |
Expandable storage up to (GB) | 128 | 32 |
camera |
Rear camera | 13-megapixel | 8-megapixel |
Front camera | 13-megapixel | 5-megapixel |
Rear flash | - | Yes |
software |
Operating system | Android 8.1 Oreo | Android 7.0 |
Skin | Star OS 5.0 | - |
connectivity |
Wi-Fi | Yes | Yes |
Wi-Fi standards supported | 802.11 b/g/n | - |
GPS | Yes | Yes |
Bluetooth | Yes, v 4.10 | Yes |
Micro-USB | Yes | - |
FM | Yes | Yes |
Number of SIMs | 2 | 2 |
Active 4G on both SIM cards | Yes | - |
NFC | - | No |
Infrared | - | No |
USB OTG | - | Yes |
Headphones | - | 3.5mm |
Wi-Fi Direct | - | No |
Mobile High-Definition Link (MHL) | - | No |
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 | Nano-SIM |
GSM/CDMA | GSM | GSM |
3G | Yes | Yes |
4G/ LTE | Yes | Yes |
sensors |
Face unlock | Yes | - |
Fingerprint sensor | Yes | - |
Compass/ Magnetometer | No | Yes |
Proximity sensor | Yes | Yes |
Accelerometer | Yes | No |
Ambient light sensor | Yes | Yes |
Gyroscope | - | No |
Barometer | - | No |
Temperature sensor | - | No |