Lava Z81
#4728
ZTE Blade X
#4859Category Breakdown
Lava Z81
ZTE Blade X
Performance
56.053.4
Camera
27.919.1
Display
56.556.5
Battery
24.224.2
Build
0.217.5
Connectivity
45.649.5
Audio
8.98.9
Overall
31.530.7
Summary
- The Lava Z81 features a slightly larger 5.7-inch IPS LCD display with a resolution of 720 x 1440 pixels, offering a higher pixel density compared to the ZTE Blade X's 5.5-inch display at 720 x 1280 pixels.
- In terms of performance, the Z81 is powered by the Mediatek Helio A22 chipset with a faster 2.0 GHz CPU, while the Blade X uses a Qualcomm Snapdragon 425 at 1.4 GHz.
- Both phones have a 13 MP rear camera capable of 1080p video recording, but the Blade X benefits from autofocus.
- Battery capacity is identical at 3000 mAh, with no fast charging or wireless options on either device.
- The Z81 runs on Android 8.1 Oreo, providing a more updated software experience compared to the Blade X's Android 7.1.1 Nougat.
- Build-wise, the Z81 is lighter at 141g and has a slimmer profile than the 156g Blade X.
Side-by-side Specification Comparison
Lava Z81
ZTE Blade X
General
Release Date
2018
2017
Announced
2018
2017
Description
For India
For Cricket
Display
Size
5.7"
5.5"
Type
IPS LCD
IPS LCD
Resolution
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
720 x 1280 pixels, 16:9 ratio (~267 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
Asahi Dragontrail Glass
Performance
Chipset
Mediatek MT6761 Helio A22 (12 nm)
Qualcomm MSM8917 Snapdragon 425 (28 nm)
CPU
Quad-core 2.0 GHz Cortex-A53
Quad-core 1.4 GHz Cortex-A53
GPU
PowerVR GE8320
Adreno 308
Memory
16GB 2GB RAM, 32GB 3GB RAM
16GB 2GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
13 MP, f/2.2
13 MP, AF
Main Camera Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
13 MP, f/2.0
5 MP
Front Camera Features
LED flash
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
720p
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
3000 mAh
3000 mAh
Battery Details
Li-Po 3000 mAh, non-removable
Li-Ion 3000 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)
156 x 77.5 x 8.9 mm (6.14 x 3.05 x 0.35 in)
Weight
141 g
156 g
Materials
N/A
N/A
Colors
Black/Blue, Gold/Black
Black
Foldable
✗
✗
SAR
N/A
0.72 W/kg (head)
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-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 Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Bluetooth
4.2, A2DP, LE
4.2, A2DP, LE
NFC
✗
✗
USB
microUSB 2.0
USB Type-C
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 7.1.1 (Nougat)
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Fingerprint (rear-mounted), accelerometer, proximity