Samsung Galaxy A20 vs Xiaomi Redmi 9 Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

	5.0
Samsung Galaxy A20	Xiaomi Redmi 9
Released · Apr 10, 2019	Released · Jun 18, 2020
6.4-inch · 1560x720px	6.5-inch · 2340x1080px
Dual camera	Quad camera
3GB · 32GB	3GB · 32GB
4000 mAh	5020 mAh
Check prices	Check prices

Design

Dimensions
6.24 x 2.94 x 0.31 inches 158.4 x 74.7 x 7.8 mm	6.43 x 3.03 x 0.36 inches 163.32 x 77.01 x 9.1 mm
Weight
5.96 oz (169.0 g)	6.98 oz (198.0 g)
Materials
Back: Plastic
Biometrics
2D Face unlock, Fingerprint (touch)	2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black,Deep blue, Red	Carbon gray, Sunset purple, Ocean green

Display

Size
6.4-inch	6.5-inch
Resolution
1560x720px, 19.5:9 ratio, 268 PPI	2340x1080px, 19.5:9 ratio, 395 PPI
Technology
Super AMOLED	IPS LCD
Refresh rate
60Hz
Screen-to-body
84.95 %	83.27 %
Features
Ambient light sensor, Proximity sensor	Oleophobic coating, Scratch-resistant glass (Corning Gorilla Glass 3), Ambient light sensor, Proximity sensor

Hardware

System chip
Samsung Exynos 7884 (14 nm)	MediaTek Helio G80 (12 nm)
Processor
Octa-core 1800 MHz ARM Cortex-A73 and ARM Cortex-A53	Octa-core 2000 MHz Arm Cortex-A75 and Arm Cortex-A55
GPU
Mali-G71 MP2	Mali G52 MC2
RAM
3GB (LPDDR4)	3GB (LPDDR4)
Internal storage
32GB, available to use: 20.3 GB	32GB (eMMC 5.1)
Storage expansion
microSDXC up to 512 GB	microSDXC
OS
Android (11, 10, 9.0 Pie), Samsung One UI	Android

Battery

Capacity
4000 mAh	5020 mAh
Charging
Samsung Adaptive Fast Charging	Qualcomm Quick Charge 3.0
Charge speed
	Wired: 18.0W

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Battery Life Estimate

Untested

Browsing

Untested

Video

9h 15min

Gaming

7h 3min

Camera

Rear
Dual camera	Quad camera
Main camera
13 MP (Autofocus) Aperture size: F1.9 Focal length: 27 mm Sensor size: 1/3.1" Pixel size: 1.12 μm	13 MP (PDAF) Aperture size: F2.2
Second camera
5 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/5" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
	5 MP (Macro) Aperture size: F2.4
Fourth camera
	2 MP (Depth information)
Flash
LED	LED
Video recording
1920x1080 (Full HD) (30 fps)	1920x1080 (Full HD)
Front
8 MP	8 MP (HDR), Video capture: 1920x1080 (Full HD)

Connectivity & Features

Bluetooth
5.0	5.0
WLAN
802.11 a,b,g,n,ac Wi-Fi Direct, Hotspot	802.11 b,g,n Wi-Fi Direct, Hotspot
USB
Type-C, USB 2.0	Type-C, USB 2.0
Location
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers)	Accelerometer, Gyroscope, Compass
Other
	NFC, Infrared

Multimedia

Headphones
3.5mm jack	3.5mm jack
Speakers
Earpiece, Loudspeaker	Earpiece, Loudspeaker
Features
Dolby Atmos
Screen mirroring
Wireless screen share	Wireless screen share
Radio
	FM
Additional microphone(s)
Noise cancellation	Noise cancellation

Cellular

4G (FDD)
Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 13(700 c), 20(800 DD), 28(700 APT), 66(AWS-3)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 20(800 DD), 28(700 APT)
4G (TDD)
	Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 5(850), 8(900)	Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s	LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
	Yes
SIM type
Nano SIM	Nano SIM
HD Voice
	Yes
VoLTE
	Yes

Regulatory Approval

FCC approval
Date approved: Jun 19, 2019 FCC ID value: A3LSMA205U
Measured SAR
Head: 1.09 W/kg Body: 0.60 W/kg Simultaneous Transmission: 1.37 W/kg Wireless Router: 1.00 W/kg Phablet: 3.94 W/kg

Buyers information

MSRP
$ 250
In The Box
	10W Charger, TPU case, USB Type-C cable, SIM eject tool, Warranty card, User guide

Alternative variants

for T-Mobile and Metro


4G (FDD)	Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 66(AWS-3), 71(600)
4G (TDD)	Bands 38(2600), 39(1900+), 40(2300), 41(2600+)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

with 64GB storage


RAM	4GB
Internal storage	64GB

for Verizon, Sprint, Virgin Mobile and Boost Mobile


4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 26(850+), 71(600)
4G (TDD)	Bands 41(2600+)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

for US Cellular


4G (FDD)	Bands 2(1900), 4(AWS-1), 5(850), 12(700 a), 13(700 c), 25(1900+), 66(AWS-3), 71(600)
3G	Bands 5(850), 8(900), 4(1700/2100), 2(1900), 1(2100)

Links

Full specifications
Samsung Galaxy A20 Specs	Xiaomi Redmi 9 Specs
PhoneArena Review
	Xiaomi Redmi 9 Review
User Reviews
Samsung Galaxy A20 User Reviews	Xiaomi Redmi 9 User Reviews