Full Comparison of Xiaomi Redmi Note 9S 4GB vs Samsung Galaxy A31 -Tecinfoz
Xiaomi Redmi Note 9S 4GB

Rs. 36,999

Display 6.67 Inches
Resolution 1080 x 2400 Pixels (~395 PPI)
Built in 64GB Built-in, 4GB RAM
Front Camera 16 MP, f/2.5, (wide), HDR, Panorama, Video ([email protected])
Back Camera Quad Camera: 48 MP, f/1.8, 26mm (wide), 1/2.0", PDAF + 8 MP, f/2.2, 13mm (ultrawide), 1/4.0" + 5 MP, f/2.4, (macro) + 2 MP, f/2.4, (depth), LED Flash
Battery (Li-Po Non removable), 5020 mAh
CPU Octa-core (2 x 2.3 GHz Kryo 465 Gold + 6 x 1.8 GHz Kryo 465 Silver)
OS
Weight 209 g
VS
Samsung Galaxy A31

Rs. 36,999

Display 6.4 Inches
Resolution 1080 x 2400 Pixels (~411 PPI)
Built in 128GB Built-in, 4GB RAM
Front Camera Geo-tagging, touch focus, face detection, panorama, HDR, Video (2160p@30fps, 1080p@30fps)
Back Camera Quad Camera: 48 MP, f/2.0, (wide), 1/2.0", PDAF + 8 MP, f/2.2, 13mm (ultrawide), 1/4.0" + 5 MP, f/2.4, (macro) + 5 MP, f/2.4, (depth), LED Flash
Battery (Li-Po Non removable), 5000 mAh
CPU 2Ghz Octa Core
OS Android 10.0 OS
Weight 185 g
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Network
Band2G SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900
Band 3G HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
Band 4G LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 40(2300), 41(2500) LTE band 1(2100), 2(1900), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
Band 5G - -
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Body
OS Android 10.0 OS Android 10.0 OS
Ui MIUI 11 OneUI 2.0
Dimension 165.8 x 76.7 x 8.8 mm 159.3 x 73.1 x 8.6 mm
Weight 209 g 185 g
Sim Dual Sim, Dual Standby (Nano-SIM) Dual Sim, Dual Standby (Nano-SIM)
Color Aurora Blue, Glacier White, Interstellar Gray Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
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Display
Technology IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch Super AMOLED Capacitive Touchscreen, 16M Colors, Multitouch
Size 6.67 Inches 6.4 Inches
Resolution 1080 x 2400 Pixels (~395 PPI) 1080 x 2400 Pixels (~411 PPI)
Extra Features 450 nits typ. brightness (advertised) -
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Processor
CPU Octa-core (2 x 2.3 GHz Kryo 465 Gold + 6 x 1.8 GHz Kryo 465 Silver) 2Ghz Octa Core
Chipset Qualcomm SM7125 Snapdragon 720G (8 nm) Helio P65 SoC
GPU Adreno 618 -
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Memory
Built-in 64GB Built-in, 4GB RAM 128GB Built-in, 4GB RAM
Card microSD Card, (supports up to 512GB) microSD Card, (supports up to 512GB)
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Camera
Main Back Camera:Quad Camera: 48 MP, f/1.8, 26mm (wide), 1/2.0", PDAF + 8 MP, f/2.2, 13mm (ultrawide), 1/4.0" + 5 MP, f/2.4, (macro) + 2 MP, f/2.4, (depth), LED Flash Back Camera:Quad Camera: 48 MP, f/2.0, (wide), 1/2.0", PDAF + 8 MP, f/2.2, 13mm (ultrawide), 1/4.0" + 5 MP, f/2.4, (macro) + 5 MP, f/2.4, (depth), LED Flash
Features Geo-tagging, Phase detection, touch focus, HDR, Panorama, Video ([email protected], [email protected]/60/120fps, [email protected], gyro-EIS) Geo-tagging, touch focus, face detection, panorama, HDR, Video (2160p@30fps, 1080p@30fps)
Front Front Camera:16 MP, f/2.5, (wide), HDR, Panorama, Video ([email protected]) Front Camera:Geo-tagging, touch focus, face detection, panorama, HDR, Video (2160p@30fps, 1080p@30fps)
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Features
Sensors Accelerometer, Compass, Fingerprint (side mounted), Gyro, Proximity Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity
Audio 3.5mm Audio Jack, XviD/MP4/H.264 player, MP3/WAV/eAAC+/FLAC player, Speaker Phone 3.5mm Audio Jack, MP3/WAV/WMA/eAAC+/FLAC player, MP4/WMV/H.265 player, Speaker Phone
Browser HTML5 HTML5
Messaging SMS(threaded view), MMS, Email, Push Mail, IM SMS(threaded view), MMS, Email, Push Mail, IM
Games Built-in + Downloadable Built-in + Downloadable
Torch Yes Yes
Extra Glass front + Gorilla Glass 5), glass back + Gorilla Glass 5), Plastic frame, Water-repellent coating, Active noise cancellation with dedicated mic, Photo/video editor, Document viewer Active noise cancellation with dedicated mic, Photo/video editor, Document viewer
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Connectivity
WLAN 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, WiFi Direct, hotspot
Bluetooth v5.0 with A2DP, LE v5.0 with A2DP, LE
GPS Yes + A-GPS support & Glonass, BDS, GALILEO, BDS Yes + A-GPS support & Glonass, BDS, GALILEO
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go
NFC No Yes
Data GPRS, Edge, 3G (HSPA 42.2/5.76 Mbps), 4G LTE-A GPRS, EDGE, 3G (HSPA 42.2/5.76 Mbps), 4G LTE
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Battery
Capacity (Li-Po Non removable), 5020 mAh (Li-Po Non removable), 5000 mAh
Charging - Fast battery charging 18W - Fast battery charging 15W

We are not guarantee that all the specifications regarding this mobile is 100% correct.