Xiaomi Mi A2 vs Xiaomi Redmi S2 Specs Comparison

Availability

Officially announced
Jul 24, 2018

Design

Dimensions
6.25 x 2.97 x 0.29 inches 158.7 x 75.4 x 7.3 mm	6.33 x 3.04 x 0.32 inches 160.73 x 77.26 x 8.1 mm
Weight
5.93 oz / 168.0 g	6.00 oz / 170.0 g
Materials
Back: Aluminum	Back: Plastic
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gold, Pink, Blue, Red	Gold, Silver, Pink

Display

Size
6.0-inch, 77.32% screen-to-body	6.0-inch, 74.58% screen-to-body
Type
IPS LCD	LCD
Resolution
2160x1080px, 18:9 ratio, 403 PPI	1440x720px, 18:9 ratio, 269 PPI
Protection
Corning Gorilla Glass 5

PhoneArena Display Test

Bright Max (20% APL)
Untested	Untested
Bright Min
1 (Excellent)	Untested

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 660 SDM660 (14 nm)	Snapdragon 625 MSM8953 (14 nm)
Processor
Octa-core Kryo 260	Octa-core 2000 MHz ARM Cortex-A53
GPU
Adreno 512	Adreno 506
Memory
6GB (LPDDR4)/128GB 4GB/32GB 4GB/64GB	3GB (LPDDR3)/32GB
Storage expansion
	microSDXC up to 256 GB
OS
Android (10, 8.1 Oreo)	Android (9.0 Pie, 8.1 Oreo)

Battery

Type
3010 mAh, Li - Polymer	3080 mAh
Charging
Qualcomm Quick Charge 3.0

Camera

Rear
Dual camera	Dual camera
Main camera
12 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.9" Pixel size: 1.25 μm	12 MP (PDAF) Aperture size: F2.2 Pixel size: 1.25 μm
Second camera
20 MP Aperture size: F1.8 Sensor size: 1/2.8" Pixel size: 1 μm	5 MP (Depth information)
Flash
LED	LED
Video recording
4K UHD (30 fps), 1080p (30 fps), 720p (120 fps) Video calling, Video sharing	1080p (30 fps), 720p (30 fps) EIS, Video calling, Video sharing
Front
20 MP (Flash, HDR) Video capture: 1080p	16 MP (Flash, HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
5.0	4.2
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	b,g,n Hotspot, Wi-Fi Direct 802.11 b, g, n
USB
Type-C, USB 2.0	microUSB, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, 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
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync	Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
No 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
Additional microphone(s)
	Noise cancellation

Cellular

4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 20	1, 3, 4, 5, 7, 8, 20
4G (TDD) Bands
38, 40	38, 40
3G Bands
2, 3, 5, 8	5, 8, 2, 1
Data Speed
LTE-A, HSPA, HSUPA	LTE, HSPA, HSUPA
Dual SIM
Yes	Yes
SIM type
Nano SIM	Nano SIM

Phone Features

Notifications
	Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
	Voice dialing, Voice commands, Voice recording

Alternative variants

with 32 GB of storage

Memory	4GB/32GB

with 64 GB of storage

Memory	4GB/64GB

Discover more

Full Specs Xiaomi Mi A2 Specs PA Review Xiaomi Mi A2 Review

Full Specs Xiaomi Redmi S2 Specs