Lava Z91 vs Xiaomi Redmi A1 Plus

Key Specs

Battery
3000 mAh	-
Display
5.7 inches (14.48 cm)	-
Front Camera
8 MP	-
Processor
MediaTek MT6739	-
RAM
3 GB	-
Rear Camera
13 MP	-

Audio

Audio Jack
-	3.5 mm
Loudspeaker
-	Yes

Battery

Capacity
3000 mAh	5000 mAh
Removable
No	No
Standby time
-	Up to 720 Hours(2G)
TalkTime
-	Up to 31.5 Hours(4G)
Type
Li-ion	Li-Polymer
USB Type-C
No	No

Camera

Autofocus
-	Yes
Flash
-	Yes, LED Flash
Front Camera
-	5 MP
Image Resolution
-	4128 x 2448 Pixels
Rear Camera
-	8 MP + 0.08 MP
Video Recording
-	1920x1080 @ 30 fps 1280x720 @ 30 fps

Design

Colours
Blue	Black, Light Blue, Light Green
Height
152 mm	-
Thickness
7.7 mm	-
Weight
147 grams	192 grams
Width
72.9 mm	-

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Dimensions

Height
-	164.9 mm
Thickness
-	9 mm
Width
-	76.7 mm

Display

Aspect Ratio
18:9	20:9
Bezel-less display
Yes	Yes with waterdrop notch
Brightness
-	400 nits
Display Type
IPS LCD	IPS LCD
Pixel Density
282 ppi	269 ppi
Resolution
720x1440 px (HD+)	5 MP f/2.2, Primary Camera
Screen Protection
-	Yes
Screen Size
5.7 inches (14.48 cm)	6.52 inches (16.56 cm)
Screen to Body Ratio (calculated)
75.67 %	-
Screen to Body Ratio (claimed by the brand)
-	88.89 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	-

Front Camera

Resolution
8 MP f/2.2, Primary Camera	-

General

Brand
Lava	Xiaomi
Custom UI
Star OS	Android Go
Launch Date
April 12, 2018 (Official)	October 17, 2022
Operating System
Android v7.0 (Nougat)	Android v12
SAR Value
-	Head: 0.869 W/kg, Body: 0.838 W/kg

Main Camera

Autofocus
Yes	-
Camera Features
Digital Zoom Auto Flash Face detection Touch to focus	-
Camera Setup
Single	-
Flash
Yes, LED Flash	-
Image Resolution
4128 x 3096 Pixels	-
Resolution
13 MP f/2.0, Primary Camera(1.12µm pixel size)	-
Settings
Exposure compensation, ISO control	-
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	-
Video Recording
1920x1080 @ 30 fps	-

Multimedia

Audio Jack
3.5 mm	-
FM Radio
Yes	-
Loudspeaker
Yes	-

Network & Connectivity

Bluetooth
Yes, v4.0	Yes, v5.0
GPS
Yes with A-GPS	Yes with A-GPS, Glonass
NFC
No	No
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SIM 1
4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz 4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4) 3G Speed: HSDPA 42.2 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑ GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz 4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4) 3G Speed: HSDPA 42.2 Mbit/s ↓ GPRS: Available EDGE: Available	4G Bands: TD-LTE 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM1: Nano, SIM2: Nano	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM, Dual VoLTE
USB Connectivity
Mass storage device, USB charging, microUSB 2.0	-
VoLTE
Yes	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 b/g/n)
Wi-Fi Calling
-	Yes
Wi-Fi Features
Mobile Hotspot	-

Performance

CPU
Quad core, 1.3 GHz, Cortex A53	-
Chipset
MediaTek MT6739	-
Graphics
PowerVR GE8100	PowerVR GE8300
Processor
-	MediaTek Helio A22
RAM
3 GB	2 GB
RAM Type
-	LPDDR4X

Sensors

Fingerprint Sensor
Yes	Yes
Fingerprint Sensor Position
Rear	-
Other Sensors
Light sensor, Proximity sensor, Accelerometer	Accelerometer

Storage

Expandable Memory
Yes, Up to 128 GB	Yes, Up to 512 GB
Internal Memory
32 GB	32 GB
Storage Type
-	eMMC 5.1
USB OTG
Yes	-