Samsung Galaxy A3 (2017) vs Xiaomi Mi A2 Specs Comparison

Availability

Officially announced
Jan 02, 2017	Jul 24, 2018

Design

Dimensions
5.33 x 2.61 x 0.31 inches 135.4 x 66.2 x 7.9 mm	6.25 x 2.97 x 0.29 inches 158.7 x 75.4 x 7.3 mm
Weight
4.87 oz / 138.0 g	5.93 oz / 168.0 g
Materials
Back: Glass Frame: Aluminum	Back: Aluminum
Resistance
Water, Dust; IP68
Biometrics
Fingerprint (touch)	Fingerprint (touch)
Features
Touch sensitive control keys
Keys
Left: Volume control; Right: Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black sky, Gold sand, Peach cloud, Blue mist	Black, Gold, Pink, Blue, Red

Display

Size
4.7-inch, 67.85% screen-to-body	6.0-inch, 77.32% screen-to-body
Type
Super AMOLED	IPS LCD
Resolution
1280x720px, 312 PPI	2160x1080px, 18:9 ratio, 403 PPI
Protection
	Corning Gorilla Glass 5

PhoneArena Display Test

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

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Samsung Exynos 7 Octa 7870 (14 nm)	Snapdragon 660 SDM660 (14 nm)
Processor
Octa-core 1600 MHz ARM Cortex-A53	Octa-core Kryo 260
GPU
Mali-T830 MP2	Adreno 512
Memory
2GB (LPDDR3)/16GB	6GB (LPDDR4)/128GB 4GB/32GB 4GB/64GB
Storage expansion
microSDXC up to 256 GB
OS
Android (7.0 Nougat, 6.0 Marshmallow)	Android (10, 8.1 Oreo)

Battery

Type
2350 mAh	3010 mAh, Li - Polymer
Charging
	Qualcomm Quick Charge 3.0

Camera

Rear
Single camera	Dual camera
Main camera
13 MP (Autofocus, CMOS image sensor) Aperture size: F1.9	12 MP (PDAF) Aperture size: F1.8 Sensor size: 1/2.9" Pixel size: 1.25 μm
Second camera
	20 MP Aperture size: F1.8 Sensor size: 1/2.8" Pixel size: 1 μm
Flash
LED	LED
Video recording
1080p (30 fps) Video calling, Video sharing	4K UHD (30 fps), 1080p (30 fps), 720p (120 fps) Video calling, Video sharing
Front
8 MP	20 MP (Flash, HDR) Video capture: 1080p

Connectivity & Features

Bluetooth
4.2	5.0
WLAN
a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac	a,b,g,n,ac,dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac
USB
Type-C	Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass	GPS, A-GPS, Glonass, BeiDou
Other
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync	Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Album art cover, Background playback	Album art cover, Background playback
Screen mirroring
Wireless screen share
Radio
FM

Cellular

4G (FDD) Bands
1, 2, 3, 5, 7, 8, 20	1, 2, 3, 4, 5, 7, 8, 20
4G (TDD) Bands
40	38, 40
3G Bands
5, 8, 2, 1	2, 3, 5, 8
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSPA	LTE-A, HSPA, HSUPA
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM

Regulatory Approval

FCC approval
Date approved: Dec 21, 2016 FCC ID value: A3LSMA320F
Measured SAR
Head: 0.45 W/kg Body: 0.74 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 0.94 W/kg

Alternative variants

Dual SIM	Yes

with 32 GB of storage

Memory	4GB/32GB

with 64 GB of storage

Memory	4GB/64GB

Links

Full specifications
Samsung Galaxy A3 (2017) Specs	Xiaomi Mi A2 Specs
PhoneArena Review
Samsung Galaxy A3 (2017) Review	Xiaomi Mi A2 Review
User Reviews
	Xiaomi Mi A2 User Reviews