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Xiaomi Redmi S2 vs Samsung Galaxy A20 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.

Comparison mode:
Specs Size
Differences only
Xiaomi Redmi S2
Samsung Galaxy A20
Xiaomi Redmi S2 Samsung Galaxy A20
Released · Jun 18, 2018
Released · Apr 10, 2019
6.0-inch · 1440x720px
6.4-inch · 1560x720px
Dual camera
Dual camera
3GB · 32GB
3GB · 32GB
3080 mAh
4000 mAh
Check prices

Availability

Prices (MSRP)
$250

Design

Dimensions
6.33 x 3.04 x 0.32 inches
160.73 x 77.26 x 8.1 mm 		6.24 x 2.94 x 0.31 inches
158.4 x 74.7 x 7.8 mm
Weight
6.00 oz / 170.0 g 5.96 oz / 169.0 g
Materials
Back: Plastic Back: Plastic
Biometrics
Fingerprint (touch) 2D Face unlock, Fingerprint (touch)
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Gold, Silver, Pink Black,Deep blue, Red

Display

Size
6.0-inch, 74.58% screen-to-body 6.4-inch, 84.95% screen-to-body
Type
LCD Super AMOLED, 60Hz
Resolution
1440x720px, 18:9 ratio, 269 PPI 1560x720px, 19.5:9 ratio, 268 PPI

Hardware

System chip
Snapdragon 625 MSM8953 (14 nm) Samsung Exynos 7884 (14 nm)
Processor
Octa-core
2000 MHz
ARM Cortex-A53 		Octa-core
1800 MHz
ARM Cortex-A73 and ARM Cortex-A53
GPU
Adreno 506 Mali-G71 MP2
Memory
3GB (LPDDR3)/32GB 3GB (LPDDR4)/32GB
Storage expansion
microSDXC up to 256 GB microSDXC up to 512 GB
OS
Android (9.0 Pie, 8.1 Oreo) Android (11, 10, 9.0 Pie)

Battery

Type
3080 mAh 4000 mAh
Charging
Samsung Adaptive Fast Charging

Camera

Rear
Dual camera Dual camera
Main camera
12 MP (PDAF)
Aperture size: F2.2
Pixel size: 1.25 μm 		13 MP (Autofocus)
Aperture size: F1.9
Focal length: 27 mm
Sensor size: 1/3.1"
Pixel size: 1.12 μm
Second camera
5 MP (Depth information) 5 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/5"
Pixel size: 1.12 μm
Flash
LED LED
Video recording
1080p (30 fps), 720p (30 fps)
EIS, Video calling, Video sharing 		1080p (30 fps)
Front
16 MP (Flash, HDR)
Video capture: 1080p 		8 MP

Connectivity & Features

Bluetooth
4.2 5.0
WLAN
b,g,n
Hotspot, Wi-Fi Direct
802.11 b, g, n 		a,b,g,n,ac
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
microUSB, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, BeiDou GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
Other
Infrared, VoIP, Tethering, Computer sync, OTA sync

Multimedia

Headphones
3.5mm jack 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Loudspeaker
Features
Album art cover, Background playback Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Additional microphone(s)
Noise cancellation Noise cancellation

Cellular

4G (FDD) Bands
1, 3, 4, 5, 7, 8, 20 2, 3, 4, 5, 7, 13, 20, 28, 66
4G (TDD) Bands
38, 40
3G Bands
5, 8, 2, 1 1, 2, 5, 8
Data Speed
LTE, HSPA, HSUPA LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Nano SIM

Phone Features

Notifications
Haptic feedback, Music ringtones, Vibration, Flight mode, Silent mode, Speakerphone
Other features
Voice dialing, Voice commands, Voice recording

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

Alternative variants

for T-Mobile and Metro
4G (FDD) Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 66, 71
4G (TDD) Bands 38, 39, 40, 41
3G Bands 5, 8, 4, 2, 1
for Verizon, Sprint, Virgin Mobile and Boost Mobile
4G (FDD) Bands 2, 4, 5, 12, 13, 25, 26, 71
4G (TDD) Bands 41
3G Bands 5, 8, 4, 2, 1
for US Cellular
4G (FDD) Bands 2, 4, 5, 12, 13, 25, 66, 71
3G Bands 5, 8, 4, 2, 1
FCC OKs Cingular\'s purchase of AT&T Wireless