Xiaomi Redmi Note 4 vs Xiaomi Mi A3 Specs Comparison

Availability

Officially announced
Jan 19, 2017	Jul 17, 2019
Prices (MSRP)
$190

Design

Dimensions
5.94 x 2.99 x 0.33 inches 151 x 76 x 8.45 mm	6.04 x 2.83 x 0.33 inches 153.48 x 71.85 x 8.475 mm
Weight
5.82 oz / 165.0 g	6.13 oz / 173.8 g
Materials
Back: Aluminum	Back: Glass (Corning Gorilla Glass 5) Frame: Plastic
Biometrics
Fingerprint (touch)	2D Face unlock, Optical in-screen fingerprint
Features
Touch sensitive control keys, Soft keys
Keys
Right: Volume control, Lock/Unlock key	Back: Volume control, Lock/Unlock key
Colors
Black, Gold, Gray, Blue, White	Gray, Blue, White

Display

Size
5.5-inch, 72.78% screen-to-body	6.1-inch, 82.56% screen-to-body
Type
IPS LCD, 450 nits	Super AMOLED
Resolution
1920x1080px, 401 PPI	1560x720px, 19.5:9 ratio, 282 PPI
Colors
16 777 216
Protection
	Corning Gorilla Glass 5

Hardware

System chip
Snapdragon 625 8953	Snapdragon 665 (11 nm)
Processor
Octa-core 2000 MHz ARM Cortex-A53	Octa-core 2000 MHz Kryo 260
GPU
Adreno 506	Adreno 610
Memory
4GB (LPDDR3)/64GB 2GB/32GB 3GB/32GB	4GB (LPDDR4)/128GB 4GB/64GB
Storage expansion
microSDXC up to 128 GB	microSDXC up to 256 GB
OS
Android (7.0 Nougat, 6.0 Marshmallow)	Android (11, 10, 9.0 Pie)

Battery

Type
4100 mAh, Li - Polymer	4030 mAh
Charging
	Qualcomm Quick Charge 3.0

Camera

Rear
Single camera	Triple camera
Main camera
13 MP (CMOS image sensor, BSI sensor, PDAF) Aperture size: F2.0 Pixel size: 1.12 μm	48 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.3" Pixel size: 0.8 μm
Second camera
	8 MP (Ultra-wide) Aperture size: F2.2 Pixel size: 1.12 μm
Third camera
	2 MP (Depth information) Aperture size: F2.4
Flash
Dual LED	LED
Video recording
1080p (30 fps), 720p (120 fps) Video calling, Video sharing	4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) EIS, Video calling, Video sharing
Front
5 MP Video capture: 1080p	32 MP Video capture: 1080p

Connectivity & Features

Bluetooth
4.1	5.0
WLAN
a,b,g,n,dual-band Hotspot, Wi-Fi Direct 802.11 a, b, g, n	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
microUSB, USB 2.0	Type-C
Sensors
Accelerometer, Gyroscope, Hall (for flip covers), Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Other
Infrared, Tethering, Computer sync, OTA sync	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	Album art cover, Background playback
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD) Bands
3, 5	1, 2, 3, 4, 5, 7, 8, 20, 28
4G (TDD) Bands
40	38, 40
3G Bands
5, 8, 2, 1	5, 8, 4, 2, 1
Data Speed
LTE-A, HSPA	LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes	Yes
SIM type
Nano SIM, Micro SIM	Nano SIM
VoLTE
Yes

Phone Features

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

Alternative variants

Memory	2GB/32GB
Prices (MSRP)	$146

with 64 GB storage

Memory	64GB

Memory	3GB/32GB
Prices (MSRP)	$161

Links

Full specifications
Xiaomi Redmi Note 4 Specs	Xiaomi Mi A3 Specs
User Reviews
Xiaomi Redmi Note 4 User Reviews