Lava Z81
#4728
Microsoft Lumia 640 XL
#5933Category Breakdown
Lava Z81
Microsoft Lumia 640 XL
Performance
56.043.6
Camera
27.919.1
Display
56.556.5
Battery
24.224.2
Build
0.20.2
Connectivity
45.643.8
Audio
8.98.9
Overall
31.525.9
Summary
- The Lava Z81 and Microsoft Lumia 640 XL both feature a 5.7-inch IPS LCD display, but the Z81 has a higher resolution of 720 x 1440 pixels compared to the Lumia's 720 x 1280 pixels.
- In terms of performance, the Z81 is powered by a more modern Mediatek MT6761 Helio A22 chipset with a faster CPU, while the Lumia uses an older Qualcomm Snapdragon 400.
- Both devices have a 13 MP rear camera, but the Lumia offers a wider aperture of f/2.0, potentially enhancing low-light performance.
- Battery capacity is identical at 3000 mAh, but both lack fast charging and wireless capabilities.
- The Z81 runs on Android 8.1, whereas the Lumia operates on Windows Phone 8.1, upgradable to Windows 10, which may affect software experience and app availability.
- In terms of build quality, the Z81 is lighter at 141g, while the Lumia is bulkier at 171g.
Side-by-side Specification Comparison
Lava Z81
Microsoft Lumia 640 XL
General
Release Date
2018
2015
Announced
2018
2015
Description
For India
N/A
Display
Size
5.7"
5.7"
Type
IPS LCD
IPS LCD
Resolution
720 x 1440 pixels, 18:9 ratio (~282 ppi density)
720 x 1280 pixels, 16:9 ratio (~259 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 3
Performance
Chipset
Mediatek MT6761 Helio A22 (12 nm)
Qualcomm MSM8226 Snapdragon 400 (28 nm)
CPU
Quad-core 2.0 GHz Cortex-A53
Quad-core 1.2 GHz Cortex-A7
GPU
PowerVR GE8320
Adreno 305
Memory
16GB 2GB RAM, 32GB 3GB RAM
8GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
13 MP, f/2.2
13 MP, f/2.0, 28mm (wide), 1/3.0", AF
Main Camera Features
LED flash, HDR, panorama
Zeiss optics, LED flash
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
1080p@30fps
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, 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)
157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in)
Weight
141 g
171 g
Materials
N/A
N/A
Colors
Black/Blue, Gold/Black
Matte cyan, Orange, Black, Matte white, Glossy white
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Micro-SIM
Network
GSM / HSPA / LTE
GSM / HSPA
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA 42.2/5.76 Mbps
5G
✗
✗
4G
✓
✗
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
Wi-Fi 802.11 b/g/n, 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, GLONASS, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 8.1 (Oreo)
Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Fingerprint
✓
✗
Face Unlock
✗
✗
Sensors
Fingerprint (rear-mounted), accelerometer, proximity
Accelerometer, proximity, compass, sensor core