Infinix Smart 3 Plus vs Xiaomi Redmi A4

Key Specs

Battery
3500 mAh	-
Display
6.21 inches (15.77 cm)	-
Front Camera
8 MP	-
Processor
MediaTek Helio A22	-
RAM
2 GB	-
Rear Camera
13 MP + 2 MP	-

Audio

Audio Jack
-	3.5 mm
Loudspeaker
-	Yes

Battery

Capacity
3500 mAh	5160 mAh
Quick Charging
-	Yes, Fast, 18W
Removable
No	No
Standby Time
Up to 296 Hours(2G)	-
Standby time
Up to 296 Hours(2G)	-
Type
Li-ion	Li-Polymer
USB Type-C
No	Yes

Camera

Autofocus
-	Yes
Flash
-	Yes, LED Flash
Front Camera
-	5 MP
Image Resolution
-	8150 x 6150 Pixels
Rear Camera
-	50 MP
Shooting Modes
-	Continuous Shooting High Dynamic Range mode (HDR) Film Camera
Video Recording
-	Full HD @ 30 FPS

Design

Build Material
Back: Plastic	Back: Mineral Glass
Colours
Sapphire Cyan, Midnight Black	Sparkle Purple, Starry Black
Height
157 mm	-
Ruggedness
-	Dust proof
Thickness
7.8 mm	-
Weight
148 grams	212.3 grams
Width
76 mm	-

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Dimensions

Height
-	171.88 mm
Thickness
-	8.22 mm
Width
-	77.80 mm

Display

Aspect Ratio
19.5:9	20:9
Bezel-less display
Yes with waterdrop notch	Yes with waterdrop notch
Display Type
IPS LCD	IPS LCD
Pixel Density
271 ppi	260 ppi
Refresh Rate
-	120 Hz
Resolution
720x1520 px (HD+)	50 MP f/1.8, Wide Angle, Primary Camera
Screen Size
6.21 inches (15.77 cm)	6.88 inches (17.48 cm)
Screen to Body Ratio (calculated)
80.27 %	-
Screen to Body Ratio (claimed by the brand)
88 %	90 %
Touch Screen
Yes, Capacitive Touchscreen	-

Front Camera

Camera Setup
Single	-
Flash
Yes, Screen flash	-
Resolution
8 MP f/2.0, Primary Camera	-

General

Brand
Infinix	Xiaomi
Custom UI
-	HyperOS
Launch Date
April 30, 2019	November 27, 2024
Operating System
Android v9.0 (Pie)	Android v14

Main Camera

Autofocus
Yes, Phase Detection autofocus	-
Camera Features
Digital Zoom Auto Flash Face detection Touch to focus	-
Camera Setup
Triple	-
Flash
Yes, Dual LED Flash	-
Image Resolution
4128 x 3096 Pixels	-
Resolution
13 MP f/1.8, Primary Camera 2 MP, Depth Camera	-
Settings
Exposure compensation, ISO control	-
Shooting Modes
Continuous Shooting High Dynamic Range mode (HDR)	-

Multimedia

Audio Jack
3.5 mm	-
Loudspeaker
Yes	-

Network & Connectivity

Bluetooth
Yes, v5.0	Yes, v5.3
GPS
Yes with A-GPS	Yes with A-GPS
Network Support
5G Not Supported in India, 4G Supported in India, 3G, 2G	5G, 4G, 3G, 2G
SIM 1
4G Bands: TD-LTE 2600(band 38) / 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	5G Bands: FDD N1 / N3 / N5 / N8 / N28 TDD N40 / N78 4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 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 2600(band 38) / 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	5G Bands: FDD N1 / N3 / N5 / N8 / N28 TDD N40 / N78 4G Bands: TD-LTE 2300(band 40) FD-LTE 1800(band 3) 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 VoLTE	Dual SIM, GSM+GSM
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 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot	-

Performance

Architecture
64 bit	-
CPU
Quad core, 2 GHz, Cortex A53	-
Chipset
MediaTek Helio A22	-
Graphics
PowerVR GE8300	Adreno 611
Processor
-	Qualcomm Snapdragon 4s Gen 2
RAM
2 GB	4 GB
RAM Type
LPDDR3	LPDDR4X
RAM type
LPDDR3	-

Sensors

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

Storage

Expandable Memory
Yes, Up to 256 GB	Yes, Up to 1 TB
Internal Memory
32 GB	64 GB
Storage Type
eMMC 5.1	UFS 2.2
User Available Storage
Up to 24.1 GB	-