Phone Comparison - Xiaomi Redmi Note 9S vs Samsung Galaxy A31 vs Xiaomi Redmi Note 9 Pro (Global Version)

general General Info

Manufacturer Xiaomi Samsung Xiaomi
Announced March 2020 2020, March 24 April 2020
Status Coming Soon - April 2020 Coming Soon - April 2020 Coming Soon - May 2020
Colors Aurora Blue, Glacier White, Interstellar Gray Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Tropical Green, Glacier White, Interstellar Gray
Form Factor Candybar Candybar Candybar
Dimension 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)
165.8 x 76.7 x 8.8 mm
(6.53 x 3.02 x 0.35 in)
Weight 209 g (7.37 oz) 185 g (6.53 oz) 209 g (7.37 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) 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 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network 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) 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
Messaging
Build Features - Fingerprint Sensor (side-mounted)
Splash-proof
- Fingerprint Sensor (under display, optical)
- Fingerprint Sensor (side-mounted)

hardware Hardware and OS

OS Android 10.0 Android 10.0 Android 10
User Interface MIUI 11 One UI 2.0 MIUI 11
Processor 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) Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm)
GPU Adreno 618 Mali-G52 MC2 Adreno 618
RAM 6 GB 6 GB 6 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSDXC (dedicated slot) microSDXC microSDXC (dedicated slot)

display Display

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

multimedia Multimedia

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

camera Camera

Rear Camera 48 MP + 8 MP + 5 MP + 2 MP 48 MP + 8 MP + 5 MP + 5 MP 64 MP + 8 MP + 5 MP + 2 MP
Flash LED flash LED flash LED flash
Features 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
64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 119° (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro), 1/5.0", 1.12µm, AF
2 MP, f/2.4, (depth)
HDR, panorama
Video 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS 1080p@30fps 2160p@30fps, 1080p@30/60/120fps, 720p@960fps
Front Camera 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]
16 MP, f/2.0, 26mm (wide), 1/3.1", 1.0µm
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-A HSPA, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE 5.0, A2DP, LE
Wi-Fi 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 Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 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) 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
Expandable Storage microSDXC (dedicated slot) microSDXC microSDXC (dedicated slot)
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 present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor present gyroscope sensor present gyroscope sensor present
NFC NFC not supported NFC not supported NFC supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 18W
Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 30W
Capacity 5020 mAh 5000 mAh 5020 mAh
Stand by - - -
Talk Time - - -