Category Breakdown
Lava Z81
LG Optimus G E975
Performance
56.060.4
Camera
27.919.1
Display
56.568.4
Battery
24.220.0
Build
0.216.1
Connectivity
45.656.8
Audio
8.98.9
Overall
31.529.8
Summary
- The Lava Z81 features a larger 5.7-inch IPS LCD display with a resolution of 720 x 1440 pixels, while the LG Optimus G E975 has a smaller 4.7-inch True HD-IPS + LCD with a higher resolution of 768 x 1280 pixels, resulting in better pixel density.
- In terms of performance, the Z81 is powered by a Mediatek MT6761 Helio A22 chipset with 2GB or 3GB RAM options, whereas the Optimus G utilizes a Qualcomm Snapdragon S4 Pro with 2GB RAM, providing a more robust performance.
- Both phones have a 13 MP rear camera capable of 1080p video recording, but the Optimus G offers autofocus.
- The Z81 has a larger 3000 mAh battery compared to the 2100 mAh in the Optimus G, which may lead to longer usage times.
- Software-wise, the Z81 runs on Android 8.1 Oreo, while the Optimus G originally shipped with Android 4.1.2 Jelly Bean, upgradable to 4.4.2 KitKat, indicating a more modern software experience in the Z81.
Side-by-side Specification Comparison
Lava Z81
LG Optimus G E975
General
Release Date
2018
2012
Announced
2018
2012
Description
For India
Also known as LG Optimus G E973, LG Optimus G E971, LG-F180
Display
Size
5.7"
4.7"
Type
IPS LCD
True HD-IPS + LCD
Resolution
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
768 x 1280 pixels, 5:3 ratio (~318 ppi density)
PPI
720
768
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 2
Performance
Chipset
Mediatek MT6761 Helio A22 (12 nm)
Qualcomm APQ8064 Snapdragon S4 Pro
CPU
Quad-core 2.0 GHz Cortex-A53
Quad-core 1.5 GHz Krait
GPU
PowerVR GE8320
Adreno 320
Memory
16GB 2GB RAM, 32GB 3GB RAM
32GB (25GB user available), 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
No
Camera
Main Camera
13 MP, f/2.2
13 MP/8 MP, market dependent, AF
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR
Front Camera
13 MP, f/2.0
1.3 MP
Front Camera Features
LED flash
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3000 mAh
2100 mAh
Battery Details
Li-Po 3000 mAh, non-removable
Non-removable Li-Po 2100 mAh battery
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)
131.9 x 68.9 x 8.5 mm (5.19 x 2.71 x 0.33 in)
Weight
141 g
145 g
Materials
N/A
N/A
Colors
Black/Blue, Gold/Black
Black, White
Foldable
✗
✗
SAR
N/A
0.58 W/kg (head) 1.08 W/kg (body)
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 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth
4.2, A2DP, LE
4.0, A2DP
NFC
✗
✓
USB
microUSB 2.0
microUSB 2.0 (MHL TV-out), OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, A-GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 8.1 (Oreo)
Android 4.1.2 (Jelly Bean), upgradаble to 4.4.2 (KitKat)
Fingerprint
✓
✗
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Accelerometer, gyro, proximity, compass

