Xiaomi Mi A3 vs Samsung Galaxy S8 Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.1 inches
5.8 inches

Resolution:

1560 x 720 pixels, 19.5:9 ratio, 282 PPI
2960 x 1440 pixels, 18.5:9 ratio, 570 PPI

Technology:

Super AMOLED
Super AMOLED

Screen-to-body:

82.56 %
84.26 %

Features:

Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 665 (11 nm)
Qualcomm Snapdragon 835 MSM8998 (10 nm)

Processor:

Octa-core, 2000 MHz, Kryo 260, 64-bit
Octa-core, 2350 MHz, Kryo 280, 64-bit

GPU:

Adreno 610
Adreno 540

RAM:

4GB LPDDR4
4GB LPDDR4

Internal storage:

128GB
64GB

Storage expansion:

microSDXC up to 256 GB
microSDXC up to 256 GB

Device type:

Smartphone
Smartphone

OS:

Android (11, 10, 9.0 Pie)
Android (9.0 Pie, 8.0 Oreo, 7.0 Nougat), Samsung One UI

Battery

Capacity:

4030 mAh
3000 mAh

Type:

Not user replaceable
Li - Ion, Not user replaceable

Charging:

Qualcomm Quick Charge 3.0
Qualcomm Quick Charge 2.0, Qi and Powermat wireless charging

Camera

Rear:

Triple camera
Single camera

Main camera:

48 MP (PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F1.8; Sensor size: 1/2.3"; Pixel size: 0.8 μm
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Second camera:

8 MP (Ultra-wide)

Specifications:

Aperture size: F2.2; Pixel size: 1.12 μm

Third camera:

2 MP (Depth information)

Specifications:

Aperture size: F2.4

Flash:

LED
LED

Video recording:

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
3840x2160 (4K UHD) (30 fps), 2560x1440 (QHD), 1920x1080 (Full HD) (60 fps), 1280x720 (HD) (240 fps)

Features:

EIS, Video calling, Video sharing
HDR, Time-lapse video, Hyperlapse, Continuous autofocus, Object tracking, Picture-taking during video recording, Video light, EIS, Video calling, Video sharing

Front:

32 MP
8 MP (Wide Angle, Autofocus, HDR)

Video capture:

1920x1080 (Full HD)
2560x1440 (QHD)

Design

Dimensions:

6.04 x 2.83 x 0.33 inches (153.48 x 71.85 x 8.475 mm)
5.86 x 2.68 x 0.31 inches (148.9 x 68.1 x 8.0 mm)

Weight:

6.13 oz (173.8 g)
5.47 oz (155.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 5); Frame: Plastic
Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, In-screen fingerprint
Iris scanner, 2D Face unlock, Fingerprint (touch)

Keys:

Back: Volume control, Lock/Unlock key
Left: Volume control, Other; Right: Lock/Unlock key

Colors:

Gray, Blue, White
Midnight black, Orchid gray, Arctic silver, Coral blue, Maple gold, Rose pink, Burgundy red

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)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 29(700 d), 30(2300 WCS), 66(AWS-3)

4G (TDD):

Bands 38(2600), 40(2300)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

3G:

Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)
Bands 1(2100), 2(1900), 5(850), 8(900)

Data Speed:

LTE-A Cat 9 (450/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Shared with microSD

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Loudspeaker

Features:

Album art cover, Background playback
32-Bit DAC, aptX-HD

Screen mirroring:

Wireless screen share
DLNA, Wireless screen share, MHL

Radio:

FM

Additional microphone(s):

for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

5.0
5.0, EDR

Wi-Fi:

802.11 a, b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

Type-C (reversible)
Type-C (reversible), USB 3.1

Features:

Charging, Mass storage device
Charging, Video out, Mass storage device

Location:

GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other:

Infrared, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+, UMA (Wi-Fi Calling), Tethering, Computer sync, OTA sync

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Apr 06, 2017

FCC ID value:

A3LSMG950U

Measured SAR:

Head:

0.49 W/kg

Body:

0.48 W/kg

Simultaneous Transmission:

1.53 W/kg

Wireless Router:

0.46 W/kg

Buyers information

In The Box:

10W charger, USB Type-C cable, SIM eject tool, User guide, Soft case, Warranty card

Availability

Officially announced:

Jul 17, 2019
Mar 29, 2017
FCC OKs Cingular\'s purchase of AT&T Wireless