Lava Z81
#4728
ZTE Grand S II S291
#5388Category Breakdown
Lava Z81
ZTE Grand S II S291
Performance
56.059.5
Camera
27.919.1
Display
56.558.9
Battery
24.225.4
Build
0.20.2
Connectivity
45.640.2
Audio
8.98.9
Overall
31.528.0
Summary
- The Lava Z81 features a 5.7-inch IPS LCD display with a resolution of 720 x 1440 pixels, while the ZTE Grand S II S291 has a 5.5-inch IPS LCD with a higher resolution of 1080 x 1920 pixels, resulting in a sharper image.
- In terms of performance, the Z81 is powered by a Mediatek Helio A22 chipset, whereas the Grand S II utilizes a Qualcomm Snapdragon 801, offering superior processing capabilities.
- Both phones have a 13 MP rear camera, but the Grand S II includes autofocus, enhancing its photography potential, while the Z81 has a 13 MP front camera for selfies.
- The Z81 has a 3000 mAh battery, slightly less than the 3100 mAh battery in the Grand S II, but both lack fast charging.
- The Z81 runs on Android 8.1 Oreo, providing a more modern software experience compared to the older Android 4.3 Jelly Bean on the Grand S II.
- In terms of build, the Z81 is lighter and slimmer than the Grand S II, which may contribute to better ergonomics.
Side-by-side Specification Comparison
Lava Z81
ZTE Grand S II S291
General
Release Date
2018
2014
Announced
2018
2014
Description
For India
N/A
Display
Size
5.7"
5.5"
Type
IPS LCD
IPS LCD
Resolution
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
1080 x 1920 pixels, 16:9 ratio (~401 ppi density)
PPI
720
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Mediatek MT6761 Helio A22 (12 nm)
Qualcomm MSM8974AB Snapdragon 801 (28 nm)
CPU
Quad-core 2.0 GHz Cortex-A53
Quad-core 2.3 GHz Krait 400
GPU
PowerVR GE8320
Adreno 330
Memory
16GB 2GB RAM, 32GB 3GB RAM
16GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
13 MP, f/2.2
13 MP, AF
Main Camera Features
LED flash, HDR, panorama
LED flash
Front Camera
13 MP, f/2.0
2 MP
Front Camera Features
LED flash
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3000 mAh
3100 mAh
Battery Details
Li-Po 3000 mAh, non-removable
Li-Ion 3100 mAh, non-removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
152.2 x 73 x 7.9 mm (5.99 x 2.87 x 0.31 in)
157 x 77 x 9.1 mm (6.18 x 3.03 x 0.36 in)
Weight
141 g
150 g
Materials
N/A
N/A
Colors
Black/Blue, Gold/Black
Silver
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Micro-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, hotspot
Bluetooth
4.2, A2DP, LE
4.0, A2DP
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 8.1 (Oreo)
Android 4.3 (Jelly Bean)
Fingerprint
✓
✗
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Accelerometer, gyro, proximity, compass