Phone Comparison - Xiaomi Redmi Note 5A vs Xiaomi Redmi Note 9S vs Samsung Galaxy A31

general General Info

Manufacturer Xiaomi Xiaomi Samsung
Announced October 2017 March 2020 2020, March 24
Status Available - October 2017 Coming Soon - April 2020 Coming Soon - April 2020
Price Rs. 9,999 ($120.00) [Similarly Priced] - -
Colors Gold, Silver, Gray Aurora Blue, Glacier White, Interstellar Gray Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Form Factor Candybar Candybar Candybar
Dimension 153 x 76.2 x 7.6 mm
(6.02 x 3 x 0.3 in)
165.8 x 76.7 x 8.8 mm
(6.53 x 3.02 x 0.35 in)
159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
Weight 150 g (5.29 oz) 209 g (7.37 oz) 185 g (6.53 oz)
SIM Type Dual SIM Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300) LTE (unspecified)
Messaging SMS, MMS, Push Mail, EMail
Build Features - Fingerprint Sensor - Fingerprint Sensor (side-mounted)
Splash-proof
- Fingerprint Sensor (under display, optical)
Notification LED Yes - -

hardware Hardware and OS

OS Android OS, v7.1.1 (Nougat) Android 10.0 Android 10.0
User Interface MIUI 9 MIUI 11 One UI 2.0
Processor 1.4 GHz Quad-core Cortex-A53, Qualcomm MSM8917 Snapdragon 425 Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm)
GPU Adreno 308 Adreno 618 Mali-G52 MC2
RAM 2 GB 6 GB 6 GB
Internal Memory 16 GB 128 GB 128 GB
External Memory microSD, up to 128 GB microSDXC (dedicated slot) microSDXC

display Display

Type IPS LCD Capacitive Touchscreen, Corning Gorilla Glass FHD+ IPS LCD Capacitive Touchscreen
Corning Gorilla Glass 5
450 nits typ. brightness (advertised)
Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.5 inches 6.67 inches 6.4 inches
Resolution 720 x 1280 pixels (267 ppi) 1080 x 2400 pixels (395 ppi) 1080 x 2400 pixels (411 ppi)
Screen-to-Body Ratio 71.54% 84.28% 85.01%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio FM Radio FM radio, recording -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP 48 MP + 8 MP + 5 MP + 2 MP 48 MP + 8 MP + 5 MP + 5 MP
Flash LED Flash LED flash LED flash
Features Autofocus, f/2.2 aperture, Geo-tagging, Touch Focus, Face Detection, Panorama, HDR 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro), 1.12µm
2 MP, f/2.4, (depth)
HDR, Panorama
48 MP, f/2.0, (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
panorama, HDR
Video 1080p@30fps, 720p@120fps 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS 1080p@30fps
Front Camera 5 MP [Similar] 16 MP Punch-Hole, f/2.5, 26mm (wide), 1/3.1", 1.0µm
HDR
1080p@30fps [Similar]
20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps, VoLTE HSPA 42.2/5.76 Mbps, LTE-A HSPA, LTE-A
Bluetooth v4.2, A2DP, LE 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi Wi-Fi 802.11 b/g/n, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB microUSB v2.0 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 Yes Yes

memory User Memory

Internal 16 GB, 2 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
Expandable Storage microSD, up to 128 GB microSDXC (dedicated slot) microSDXC
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor not present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor present gyroscope sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3080 mAh 5020 mAh 5000 mAh
Stand by - - -
Talk Time - - -