Asus Zenfone 4 A450cg vs Xiaomi Redmi 9a

Key Specs

Battery
1750 mAh	5000 mAh
Display
4.5 inches (11.43 cm)	6.53 inches (16.59 cm)
Front Camera
0.3 MP	5 MP
Processor
Intel Atom Z2520	MediaTek Helio G25
RAM
-	2 GB
Rear Camera
8 MP	13 MP

Battery

Capacity
1750 mAh	5000 mAh
Removable
No	No
Standby time
Up to 255 Hours(3G) / Up to 289 Hours(2G)	-
TalkTime
Up to 13.8 Hours(3G) / Up to 27.4 Hours(2G)	-
Type
Li-Polymer	Li-Polymer
USB Type-C
No	No

Camera

Autofocus
Yes	-
Camera Features
Digital Zoom	-
Camera Setup
Single	-
Image Resolution
3264 x 2448 Pixels	-
Resolution
0.3 MP, Primary Camera	-
Video Recording
1920x1080 @ 30 fps	-

Design

Build Material
-	Back: Plastic
Colours
Black, Blue, Red, White	Midnight Black, Sea Blue, Nature Green
Height
136.8 mm	164.9 mm
Thickness
11.3 mm Below	9 mm
Waterproof
-	Yes, Splash proof
Weight
133 grams	194 grams Below
Width
67.9 mm	77 mm

Display

Aspect Ratio
-	20:9
Bezel-less display
-	Yes with waterdrop notch
Brightness
-	400 nits
Display Type
IPS LCD	IPS LCD
Pixel Density
218 ppi	269 ppi
Resolution
-	720x1600 px (HD+)
Screen Protection
Corning Gorilla Glass v3	-
Screen Size
4.5 inches (11.43 cm)	6.53 inches (16.59 cm)
Screen to Body Ratio (calculated)
59.96 %	81.08 %
Touch Screen
Yes, Capacitive Touchscreen, Multi-touch	Yes, Capacitive Touchscreen, Multi-touch

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Front Camera

Resolution
-	5 MP f/2.2, Wide Angle, Primary Camera(1.12µm pixel size)

General

Brand
Asus	Xiaomi
Custom UI
-	MIUI
Launch Date
August 24, 2014 (Official)	September 4, 2020 (Official)
Operating System
Android v4.4.2 (Kitkat)	Android v10 (Q)

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/2.2, Wide Angle, Primary Camera(28 mm focal length, 1µm 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	3.5 mm
FM Radio
Yes	-
Fm Radio
Yes	-
Loudspeaker
Yes	Yes

Network & Connectivity

Bluetooth
Yes, v4.0	Yes, v5.0
GPS
Yes with A-GPS, Glonass	Yes with A-GPS, Glonass
NFC
-	No
Network Support
5G Not Supported in India, 3G, 2G	5G Not Supported in India, 4G Supported in India, 3G, 2G
SAR Value
-	Head: 0.528 W/kg, Body: 0.791 W/kg
SIM 1
3G Bands: UMTS 1900 / 2100 / 850 / 900 MHz 2G Bands: GSM 1800 / 1900 / 850 / 900 MHz 3G Speed: HSDPA 42 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
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz	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: Micro	SIM1: Nano, SIM2: Nano
SIM Slot(s)
Dual SIM, GSM+GSM	Dual SIM, GSM+GSM
USB Connectivity
USB 2.0, microUSB 2.0	Mass storage device, USB charging, microUSB 2.0
VoLTE
-	Yes
Wi-Fi
Yes, Wi-Fi 4 (802.11 b/g/n)	Yes, Wi-Fi 4 (802.11 a/b/g/n)
Wi-Fi Calling
-	Yes
Wi-Fi Features
Wi-Fi Direct, Mobile Hotspot	Mobile Hotspot

Performance

Architecture
-	64 bit
CPU
Dual core, 1.2 GHz	Octa core (2 GHz, Quad core, Cortex A53 + 1.5 GHz, Quad core, Cortex A53)
Chipset
Intel Atom Z2520	MediaTek Helio G25
Fabrication
-	12 nm
Graphics
PowerVR SGX 544MP2	PowerVR GE8320
RAM type
LPDDR2	LPDDR4X
Ram
1 GB	-

Sensors

Fingerprint Sensor
No	No
Other Sensors
Proximity sensor, Accelerometer, Compass	Light sensor, Proximity sensor, Accelerometer, Compass

Storage

Expandable Memory
Yes, Up to 64 GB	Yes, Up to 512 GB
Internal Memory
8 GB	32 GB
Storage Type
-	eMMC 5.1
USB OTG
Yes	Yes