Xiaomi Mi A3 vs Samsung Galaxy S20

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Display

Size

6.1 inches
6.2 inches

Resolution

1560 x 720 pixels, 19.5:9 ratio,
282 PPI
3200 x 1440 pixels, 20:9 ratio,
566 PPI

Technology

Super AMOLED
Dynamic AMOLED

Screen-to-body

82.56 %
88.59 %

Features

Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor
120Hz refresh rate (@1080p), HDR video support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor

Hardware & Performance

System chip

Qualcomm Snapdragon 665
Qualcomm Snapdragon 865 SM8250

Processor

Octa-core, 2000 MHz, Kryo 260, 64-bit, 11 nm
Octa-core, 2840 MHz, Kryo 585, 64-bit, 7 nm

GPU

Adreno 610
Adreno 650

RAM

4GB
12GB

Internal storage

128GB
128GB

Storage expansion

microSDXC up to 256 GB
microSDXC up to 1000 GB

OS

Android (9.0 Pie)
Android (10), Samsung One UI

Battery

Capacity

4030 mAh
4000 mAh

Type

Not user replaceable
Li - Polymer, Not user replaceable

Charging

Qualcomm Quick Charge 3.0
Qualcomm Quick Charge 2.0, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Camera

Rear

Triple camera
Triple camera

Main camera

48 MP
12 MP

Features

PDAF
OIS, PDAF

Second camera

8 MP
64 MP

Features

Ultra-wide
Telephoto, OIS, PDAF

Third camera

2 MP
12 MP

Features

Depth information
Ultra-wide, Autofocus

Video recording

3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features

EIS, Video calling, Video sharing
OIS, HDR, EIS

Front

32 MP
10 MP

Features

 
PDAF, HDR

Design

Dimensions

6.04 x 2.83 x 0.33 inches (153.48 x 71.85 x 8.475 mm)
5.97 x 2.72 x 0.31 inches (151.7 x 69.1 x 7.9 mm)

Weight

6.13 oz (174 g)
the average is 6.3 oz (179 g)
5.78 oz (163 g)
the average is 6.3 oz (179 g)

Materials

Back: Glass (Corning Gorilla Glass 5); Frame: Aluminum
Back: Glass (Corning Gorilla Glass 6); Frame: Aluminum

Resistance

 
Water, Dust; IP 68

Biometrics

2D Face unlock, In-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint

Colors

Gray, Blue, White
Cloud blue, Cosmic grey, Cloud pink, Cosmic white

Cellular

5G

 
n1, n3, n5, n7, n8, n28, n40, n77, n78, SA, NSA, Sub-6

LTE (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), 32(1500 L-band), 66(AWS-3)

LTE (TDD)

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

UMTS

850, 900, 1700/2100, 1900, 2100 MHz
850, 900, 1700/2100, 1900, 2100 MHz

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 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s

Dual SIM

Yes
 

SIM type

Nano SIM
Nano SIM

Multimedia

Headphones

3.5mm jack
No 3.5mm jack

Features

Album art cover, Background playback
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Connectivity & Features

Bluetooth

5.0
5.0

Wi-Fi

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

USB

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

Features

Mass storage device, Charging
Charging, Headphones port, OTG

Sensors

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

Other

Infrared, VoIP, Tethering, Computer sync, OTA sync
NFC, ANT+

Phone features

Notifications

Music ringtones, Vibration
 

Other features

Voice dialing, Voice commands, Voice recording
 

Shopping information

In The Box

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

MSRP

 
$ 1000
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