Samsung Galaxy S20 vs Xiaomi Mi A2

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800, 1900 & TD-SCDMA

GSM 850, 900, 1800, 1900; CDMA 800 & TD-SCDMA
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO

HSDPA 850, 900, 1900, 2100
4G network

LTE frequency band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100)

LTE frequency band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) - China
HSDPA speed

42.2 Mbps

-
HSUPA speed

5.76 Mbps

-
HSPA speed

-

HSPA
LTE speed

LTE-A (7CA), Cat20, 2000 Mbps download, 200 Mbps upload

LTE
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Front glass(Gorilla Glass 6), back glass(Gorilla Glass 6), aluminium frame

Front glass, aluminum body
SIM

Single SIM (Nano-SIM and/or eSIM) or Hybrid Dual SIM (Nano-SIM, dual stand-by)

Hybrid Dual SIM (Nano-SIM, dual stand-by)
Height

151.7 mm

158.7 mm
Width

69.1 mm

75.4 mm
Thickness

7.9 mm

7.3 mm
Weight

163 g

168 g
Payment

Samsung Pay

-
Waterproof

IP68, 1.5m for 30 mins

-
Dust proof

IP68

-
Colors

Blue, Grey, Pink

Black, Cherry Pink, Flame Red, Glacier Blue, Sand Gold

Display
Display type

Dynamic AMOLED 2X capacitive touchscreen

LTPS IPS LCD capacitive touchscreen
Physical size

6.2 inches

5.99 inches
Resolution

1440 x 3200 pixels

1080 x 2160 pixels
Pixel density

563 ppi

403 ppi
Display colors

16777216

16777216
Protection

Scratch resistant, Corning Gorilla Glass 6

Corning Gorilla Glass 3
Multitouch

Yes

Yes
Display features

Always-on display, HDR10+

-

Hardware
CPU

Octa-core

Octa-core
CPU

Dual-core / Single-core 2.73 / 2.84 GHz Mongoose M5 / Kryo 585

Quad-core 2.2 GHz Kryo 260
CPU(second)

Dual-core / Triple-core 2.50 / 2.42 GHz Cortex-A76 / Kryo 585

quad-core 1.8 GHz Kryo 260
CPU(third)

Quad-core / Quad-core 2.0 / 1.8 GHz Cortex-A55 / Kryo 585
Chipset

Exynos 990 - global / Qualcomm SM8250 Snapdragon 865 - USA

Qualcomm SDM660 Snapdragon 660
GPU

Mali-G77 MP11 - global / Adreno 650 - USA

Adreno 512
Memory RAM

8 GB

4, 6 GB
Internal storage

128 GB

64, 128 GB
Memory card

microSD, microSDHC, microSDXC

microSD(uses second SIM slot)
Memory card max

1 TB

256 GB
Storage

UFS 3.0

-

Main camera
Camera type

Triple

Dual
Main camera

12 MP, f/1.8 , 26 mm, 1/1.76" , 1.8 µm, 3x hybrid optical zoom

12 MP, f/1.8 , 1/2.9" , 1.25 µm, 2x optical zoom
64 MP, f/2.0 , 1/1.72" , 0.8 µm

20 MP, f/1.8 , 1/2.8" , 1 µm
12 MP, f/2.2 , 13 mm, 1.4 µm
Primary camera resolution

4032 x 3024 pixels

4000 x 3000 pixels
Primary camera video

4320p@24fps, 2160p@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, dual-video rec., stereo sound rec., gyro-EIS & OIS

2160p@30fps, 1080p@30fps, 720p@120fps
Primary camera Autofocus

-

phase detection autofocus
Primary camera flash

LED flash

LED flash
Electronic image stabilization

-

EIS (gyro)
Camera features

Autofocus, continuous shooting, digital zoom, optical zoom, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus, phase detection with Dual Pixel

Geo-tagging, HDR, face detection, panorama, touch focus

Selfie camera
Selfie camera

10 MP, f/2.2 , 26 mm, 1/3.2" , 1.22 µm

20 MP, f/1.8 , 1/2.8" , 1.0 µm
Selfie camera resolution

3840 x 2160 pixels

5384 x 3752 pixels
Secondary camera HDR

-

Auto HDR
Selfie camera video

2160p@30/60fps, 1080p@30fps

1080p@30fps

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac, 802.11ax

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 1.0 reversible connector

Type-C 1.0 reversible connector
USB On-The-Go

Yes

-
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Infrared

-

Yes
NFC

Yes

-
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

Yes

-
BDS

-

Yes

Features
Messaging SMS

-

SMS(threaded view)
Messaging MMS

-

MMS
Messaging Email

-

Email
Messaging IM

-

IM
Messaging Push Email

-

Push Email
Sensors

Accelerometer, barometer, compass, fingerprint, gyroscope, proximity

Fingerprint (rear-mounted), accelerometer, compass, gyro, proximity
Power bank function

Yes

-