Copy link to bookmark or share with others
Lava Z91 vs Ai+ Nova
Comparing the Lava Z91 vs Ai+ Nova across performance, display, camera, battery, storage and user rating to help determine the better smartphone.
Here is the summary of the results:
Performance: Ai+ Nova runs at a higher processing speed of 2.3 GHz, while Lava Z91 runs at 1.3 GHz, making Ai+ Nova the better performer.
Display: Ai+ Nova offers a screen size of 6.7 inches, while Lava Z91 offers 5.7 inches, making Ai+ Nova the larger display of the two. Lava Z91 features a IPS LCD display compared to Ai+ Nova's LCD, making Lava Z91 the better display of the two.
Rear Camera: Ai+ Nova offers a higher rear camera resolution with 50 MP, while Lava Z91 offers 13 MP, making Ai+ Nova better for rear camera photography.
Front Camera: Lava Z91 offers a higher front camera resolution with 8 MP, while Ai+ Nova offers 5 MP, making Lava Z91 better for front camera photography.
Battery: Ai+ Nova offers a higher battery capacity with 5000 mAh, while Lava Z91 offers 3000 mAh, making Ai+ Nova better for longer battery life.
Storage: Lava Z91 offers higher internal storage with 32 GB, while Ai+ Nova offers 128 GB, making Lava Z91 the better option for storage.
User Rating: Ai+ Nova receives a higher user rating of 4.1, while Lava Z91 has a rating of 3.8.
Summary
Spec Score
|
69%
|
74%
|
Release Date
|
12 Apr, 2018
|
13 Jul, 2025
|
Performance
|
|
|
|
MediaTek MT6739
|
Unisoc T8200
|
|
Quad Core (upto 1.3 GHz)
|
Octa Core (upto 2.3 GHz)
|
|
3 GB RAM
|
6 GB RAM
|
Display
|
|
|
|
5.7 inches (14.48 cm)
|
6.7 inches (17.02 cm)
|
|
IPS LCD
|
LCD
|
|
720x1440 px (HD+)
|
720x1600 px (HD+)
|
|
N/A
|
120 Hz Refresh Rate
|
Rear Camera
|
|
|
|
13 MP
Primary Camera
|
50 MP
Primary Camera
|
Front Camera
|
|
|
|
8 MP
|
5 MP
|
Battery
|
|
|
|
3000 mAh
|
5000 mAh
|
|
N/A
|
18W Fast Charging
|
|
No Wireless Charging
|
No Wireless Charging
|
Storage
|
32 GB
|
128 GB
|
|
N/A
|
eMMC 5.1
|
Expert Review
|
N/A
|
7.3/10
|
Pros
|
|
Cons
|
|
User Ratings
|
3.8/5
(518 ratings)
|
4.1/5
(27,274 ratings)
|
User Feedback
General
Launch Date
|
Apr 12, 2018
(Official)
|
Jul 08, 2025
(Official)
|
Operating System
|
Android v7.0 (Nougat)
|
Android v15
|
OS Updates
|
N/A
|
1
|
Security Updates
|
N/A
|
3
|
Custom UI
|
Star OS
|
N/A
|
Performance
Performance Rating
|
Avg
|
Good
|
Chipset
|
MediaTek MT6739
|
Unisoc T8200
|
Processor
|
Quad core, 1.3 GHz, Cortex A53
|
Octa core
2.3 GHz, Dual core, Cortex A76 2.1 GHz, Hexa Core, Cortex A55 |
Architecture (The higher, the better)
|
N/A
|
64 bit
|
Fabrication (The lower, the better)
|
N/A
|
6 nm
|
Graphics (GPU)
|
PowerVR GE8100
|
Mali-G57 MC2
|
RAM
|
3 GB
|
6 GB / 8 GB
|
RAM Type
|
N/A
|
LPDDR4X
|
Display
Display Rating
|
Excellent
|
Very Good
|
Display Type
|
IPS LCD
|
LCD
|
Screen Size
|
5.7 inches (14.48 cm)
|
6.7 inches (17.02 cm)
|
Resolution
|
720x1440 px (HD+)
|
720x1600 px (HD+)
|
Brightness
|
N/A
|
450 nits
|
Refresh Rate
|
N/A
|
120 Hz
|
Aspect Ratio
|
18:9
|
20:9
|
Pixel Density
|
282 ppi
|
262 ppi
|
Screen to Body Ratio (calculated)
|
75.67 %
|
83.01 %
|
Screen Protection
|
N/A
|
No
|
Bezel-less Display
|
Yes
|
Yes with waterdrop notch
|
Design
Height
|
152 mm
|
168.04 mm
|
Width
|
72.9 mm
|
77.7 mm
|
Thickness
|
7.7 mm
|
8.2 mm
|
Weight
|
147 grams
|
196 grams
|
Rear Camera
Rear Camera Rating
|
Good
|
Good
|
Resolution
|
13 MP
Primary Cameraf/2.01.12µm pixel size |
50 MP
Primary Camera |
Autofocus
|
Yes
|
Yes
|
OIS
|
N/A
|
No
|
Flash
|
Yes LED Flash
|
Yes LED Flash
|
Image Resolution
|
4128 x 3096 Pixels
|
8150 x 6150 Pixels
|
Settings
|
Exposure compensation ISO control
|
N/A
|
Shooting Modes
|
Continuous Shooting
High Dynamic Range mode (HDR) |
High Dynamic Range mode (HDR)
|
Camera Features
|
Digital Zoom
Auto Flash Face detection Touch to focus |
Digital Zoom
|
Video Recording
|
Full HD @30 fps
|
4k @30 fps
Full HD @30 fps |
Front Camera
Front Camera Rating
|
Good
|
Very Good
|
Resolution
|
8 MP
f/2.2 Primary Camera |
5 MP
Primary Camera |
Autofocus
|
N/A
|
No
|
Flash
|
Yes LED Flash
|
Yes Screen flash
|
Camera Features
|
N/A
|
Fixed Focus
|
Video Recording
|
Full HD @30 fps
|
Full HD @30 fps
|
Battery
Battery Rating
|
Very Good
|
Very Good
|
Capacity
|
3000 mAh
|
5000 mAh
|
Battery Type
|
Li-ion
|
Li-Polymer
|
Quick Charging
|
N/A
|
Yes 18W Fast Charging
|
Storage
Internal Storage
|
32 GB
|
128 GB
|
Storage Type
|
N/A
|
eMMC 5.1
|
Expandable Storage
|
Yes Up to 128 GB
|
Yes Up to 1 TB
|
Network & Connectivity
SIM Slot(s)
|
Dual SIM
|
Dual SIM
|
SIM Type
|
SIM1: Nano SIM2: Nano
|
SIM1: Nano SIM2: Nano
|
Network Support
|
5G Not Supported 4G
|
5G 4G
|
VoLTE
|
Yes
|
Yes
|
SIM 1
|
4G Bands: TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) |
5G Bands: FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N77 / N78 |
|
4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
|
4G Bands: TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5) |
SIM 2
|
4G Bands: TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) |
5G Bands: FDD N1 / N3 / N5 / N8 / N28
TDD N40 / N77 / N78 |
|
4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
|
4G Bands: TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5) |
SAR Value
|
N/A
|
Head: 1.114 W/kg Body: 1.539 W/kg
|
Wi-Fi
|
Yes Wi-Fi 4 (802.11 b/g/n)
|
Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
|
Wi-Fi Features
|
Mobile Hotspot
|
Mobile Hotspot
|
Bluetooth
|
Yes v4.0
|
Yes v5.0
|
GPS
|
Yes with A-GPS
|
Yes with A-GPS Glonass
|
NFC
|
No
|
No
|
Multimedia
Audio Jack
|
3.5 mm
|
3.5 mm
|
Sensors
Fingerprint Sensor
|
Yes
|
Yes
|
Fingerprint Sensor Position
|
Rear
|
Side
|
Other Sensors
|
Light sensor Proximity sensor Accelerometer
|
Light sensor Proximity sensor Accelerometer
|