Hi Tech Air A9 vs Xiaomi Redmi A3

Key Specs

Battery
Battery	3500 mAh	5000 mAh
Display
Display	5.0 inches (12.7 cm)	6.7 inches (17.02 cm)
Front Camera
Front Camera	5 MP	5 MP
Processor
Processor	MediaTek MT6735M	MediaTek Helio G36
RAM
RAM	2 GB	3 GB
Rear Camera
Rear Camera	13 MP	8 MP + 0.08 MP

Battery

Capacity
Capacity	3500 mAh	5000 mAh
Removable
Removable	-	No
Type
Type	Li-ion	Li-Polymer
USB Type-C
USB Type-C	No	Yes

Design

Build Material
Build Material	-	Back: Mineral Glass
Colours
Colours	Black, White	Olive Green, Midnight Black, Lake Blue
Height
Height	147.2 mm	168.3 mm
Thickness
Thickness	8.8 mm	8.3 mm
Weight
Weight	125 grams	193 grams Below
Width
Width	73.2 mm	76.3 mm

Display

Aspect Ratio
Aspect Ratio	-	20:9
Bezel-less display
Bezel-less display	-	Yes with waterdrop notch
Brightness
Brightness	-	500 nits
Display Type
Display Type	IPS LCD	IPS LCD
Pixel Density
Pixel Density	294 ppi	269 ppi
Refresh Rate
Refresh Rate	-	90 Hz
Resolution
Resolution	720x1280 px (HD)	720x1650 px (HD+)
Screen Protection
Screen Protection	-	Corning Gorilla Glass v3
Screen Size
Screen Size	5.0 inches (12.7 cm)	6.7 inches (17.02 cm)
Screen to Body Ratio (calculated)
Screen to Body Ratio (calculated)	63.81 %	83.14 %
Touch Screen
Touch Screen	Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

Front Camera

Camera Features
Camera Features	Fixed Focus	-
Camera Setup
Camera Setup	-	Single
Flash
Flash	-	Yes, Screen flash
Resolution
Resolution	5 MP, Primary Camera	5 MP, Primary Camera

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General

Brand
Brand	Hi-Tech	Xiaomi
Custom UI
Custom UI	-	Android Go
Launch Date
Launch Date	May 27, 2016 (Official)	February 23, 2024 (Official)
Operating System
Operating System	Android v5.2	Android v13

Main Camera

Autofocus
Autofocus	Yes	-
Camera Features
Camera Features	Auto Flash	Digital Zoom Custom Watermark Filters Voice Shutter
Camera Setup
Camera Setup	Single	Dual
Flash
Flash	Yes, LED Flash	Yes, LED Flash
Image Resolution
Image Resolution	4128 x 3096 Pixels	3264 x 2448 Pixels
Resolution
Resolution	13 MP, Primary Camera	8 MP f/2.0, Wide Angle, Primary Camera 0.08 MP
Shooting Modes
Shooting Modes	-	High Dynamic Range mode (HDR) Burst mode
Video Recording
Video Recording	-	1920x1080 @ 30 fps 1280x720 @ 30 fps

Multimedia

Audio Jack
Audio Jack	3.5 mm	3.5 mm
FM Radio
FM Radio	-	Yes, Recording option
Loudspeaker
Loudspeaker	Yes	Yes

Network & Connectivity

Bluetooth
Bluetooth	Yes	Yes, v5.3
GPS
GPS	-	Yes with A-GPS, Glonass
NFC
NFC	No	No
Network Support
Network Support	5G Not Supported in India, 4G Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
SAR Value	-	Head: 0.839 W/kg, Body: 0.773 W/kg
SIM 1
SIM 1	4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 3G Bands: UMTS 2100 / 900 MHz 2G Bands: GSM 1800 / 900 MHz GPRS: Available EDGE: Available	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM 2
SIM 2	2G Bands: GSM 1800 / 900 MHz	4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 850(band 5) / 800(band 20) 3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz GPRS: Available EDGE: Available
SIM Size
SIM Size	SIM1: Micro, SIM2: Micro	SIM1: Nano, SIM2: Nano
SIM Slot(s)
SIM Slot(s)	Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB Connectivity	Mass storage device, microUSB 2.0	Mass storage device, USB charging
VoLTE
VoLTE	Yes	Yes
Wi-Fi
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
Wi-Fi Features	Mobile Hotspot	Mobile Hotspot

Performance

Architecture
Architecture	32 bit	64 bit
CPU
CPU	Quad core, 1 GHz, Cortex A53	Octa core (2.2 GHz, Quad core, Cortex A53 + 1.8 GHz, Quad core, Cortex A53)
Chipset
Chipset	MediaTek MT6735M	MediaTek Helio G36
Fabrication
Fabrication	-	12 nm
Graphics
Graphics	Mali-T720 MP2	PowerVR GE8320
RAM type
RAM Type	-	LPDDR4X

Sensors

Fingerprint Sensor
Fingerprint Sensor	No	Yes
Fingerprint Sensor Position
Fingerprint Sensor Position	-	Side
Other Sensors
Other Sensors	Accelerometer	Light sensor, Proximity sensor, Accelerometer

Storage

Expandable Memory
Expandable Memory	Yes, Up to 64 GB	Yes, Up to 1 TB
Internal Memory
Internal Memory	16 GB	64 GB
Storage Type
Storage Type	-	eMMC 5.1
USB OTG
USB OTG	-	Yes
User Available Storage
User Available Storage	-	Up to 51 GB