Xiaomi Redmi 4X vs Xiaomi Redmi 9A Specs Comparison

Design

Dimensions
5.48 x 2.75 x 0.34 inches 139.24 x 69.96 x 8.65 mm	6.49 x 3.03 x 0.35 inches 164.9 x 77.07 x 9 mm
Weight
5.15 oz (146.0 g)	6.91 oz (196.0 g)
Materials
Back: Aluminum	Back: Plastic
Materials & Colors
	Carbon grey, Sky blue, Ocean green
Biometrics
Fingerprint (touch)	2D Face unlock
Features
Touch sensitive control keys
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold

Display

Size
5.0-inch	6.5-inch
Resolution
1280x720px, 294 PPI	1600x720px, 20:9 ratio, 269 PPI
Technology
IPS LCD	IPS LCD
Screen-to-body
70.89 %	81.15 %
Colors
16 777 216
Peak brightness
450 cd/m2 (nit)
Features
Scratch-resistant glass (Corning Gorilla Glass), Ambient light sensor, Proximity sensor	Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 435 8940 (28 nm)	MediaTek Helio G25 (12 nm)
Processor
Octa-core 1400 MHz ARM Cortex-A53	Octa-core 2000 MHz Arm Cortex-A53
GPU
Adreno 505	PowerVR GE8320
RAM
3GB (LPDDR3)	2GB (LPDDR4)
Internal storage
32GB	32GB (eMMC 5.1)
Storage expansion
microSDXC up to 128 GB	microSDXC
OS
Android (6.0 Marshmallow)	Android (10)

Battery

Capacity
4100 mAh	5000 mAh
Type
	Li - Polymer
Charge speed
	Wired: 10.0W

Camera

Rear
Single camera	Single camera
Main camera
13 MP (PDAF) Aperture size: F2.0	13 MP (PDAF)
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps) Video calling, Video sharing	1920x1080 (Full HD) (60 fps)
Front
5 MP, Video capture: 1280x720 (HD) (30 fps)	5 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
802.11 b,g,n,dual-band Hotspot, Wi-Fi Direct	802.11 b,g,n Wi-Fi Direct, Hotspot
USB
microUSB, USB 2.0	microUSB, USB 2.0
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope	Accelerometer
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM

Cellular

4G (FDD)
	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
	Bands 38(2600), 40(2300), 41(2600+)
3G
	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Data Speed
LTE-A Cat 7 (300/100 Mbit/s), HSPA	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM, Micro SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Phone Features

Notifications
Haptic feedback
Other features
Voice dialing, Voice commands, Voice recording

Buyers information

In The Box
power adapter, USB cable, warranty card, user guide, SIM insertion tool	Power adapter, 5V2A Charger, Micro-USB cable, SIM eject tool, Warranty card, User guide

Availability

Officially announced
Feb 28, 2017

Links

Full specifications
Xiaomi Redmi 4X Specs	Xiaomi Redmi 9A Specs
User Reviews
Xiaomi Redmi 4X User Reviews	Xiaomi Redmi 9A User Reviews