Phone Comparison - Samsung Galaxy Note 9 vs Samsung Galaxy A71 vs Samsung Galaxy A31

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced August 2018 December 2019 2020, March 24
Status Available - August 2018 Available. Released 2020, January Coming Soon - April 2020
Price Rs. 67,900 ($999.00) [Similarly Priced] Rs. 29,999 ($0.00) [Similarly Priced] -
Colors Metallic copper, Lavender purple, Ocean blue, Midnight black Prism Crush White, Black, Pink, Blue Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Form Factor Candybar Candybar Candybar
Dimension 161.9 x 76.4 x 8.8 mm
(6.37 x 3.01 x 0.35 in)
163.6 x 76.0 x 7.7 mm
(6.44 x 2.99 x 0.3 in)
159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
Weight 201 g (7.09 oz) 179 g (6.31 oz) 185 g (6.53 oz)
SIM Type Single SIM (Nano-SIM), Hybrid Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-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 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100) LTE (unspecified)
Messaging SMS, MMS, Push Mail, EMail, IM
Build Features - Fingerprint Sensor
- Samsung Pay (Visa, MasterCard certified)
- IP68 dust/water proof (up to 1.5m for 30 mins)
- Stylus (Bluetooth integration)
- Fingerprint Sensor(In-display)
- Fingerprint Sensor (under display, optical)
Notification LED Yes - -

hardware Hardware and OS

OS Android 8.1 (Oreo) Android 10.0 Android 10.0
User Interface - One UI 2.0 One UI 2.0
Processor Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) - EMEA
Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA/LATAM, China, Exynos 9810 Octa - EMEA
Qualcomm SDM845 Snapdragon 845 - USA/LATAM, China
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm)
GPU Mali-G72 MP18 - EMEA
Adreno 630 - USA/LATAM, China
Adreno 618 Mali-G52 MC2
RAM 6/8 GB 8 GB 6 GB
Internal Memory 128/512 GB 128 GB 128 GB
External Memory microSD, up to 512 GB (uses SIM 2 slot) - dual SIM model only microSD, up to 512 GB (dedicated slot) microSDXC

display Display

Type Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 6.4 inches 6.7 inches 6.4 inches
Resolution 1440 x 2960 pixels (514 ppi) 1080 x 2400 pixels (393 ppi) 1080 x 2400 pixels (411 ppi)
Screen-to-Body Ratio 84.15% 87.08% 85.01%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes yes
Radio No FM radio -
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera Dual 12 MP + 12 MP 64 MP + 12 MP + 5 MP + 5 MP 48 MP + 8 MP + 5 MP + 5 MP
Flash LED flash LED Flash LED flash
Features 12 MP, f/1.5-2.4, 26mm, 1/2.55", 1.4µm, dual pixel PDAF, OIS
12 MP, f/2.4, 52mm, 1/3.6", 1µm, AF, OIS, 2x optical zoom
Dual Video Call, Auto-HDR
64 MP, f/1.8, (wide), 1/2", 0.8µm, PDAF
12 MP, f/2.2, 13mm (ultrawide)
5 MP, f/2.2, depth sensor
5 MP, f/2.4, macro camera
Panorama, HDR
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 2160p@60fps, 1080p@240fps, 720p@960fps, HDR, Dual-Video Rec 2160p@30fps, 1080p@30/60/240fps, 1080p@960fps; gyro-EIS 1080p@30fps
Front Camera 8 MP, f/1.7, 25mm, 1/3.6", 1.22µm, AF, Dual video call, Auto-HDR, 1440p@30fps [Similar] 32 MP, f/2.0, 25mm (wide)
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-A (5CA) Cat18 1200/200 Mbps HSPA, LTE-A HSPA, LTE-A
Bluetooth 5.0, A2DP, LE, aptX 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 3.1, 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, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS, GALILEO Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 Yes Yes

memory User Memory

Internal 128/512 GB, 6/8 GB RAM 128 GB, 8 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
Expandable Storage microSD, up to 512 GB (uses SIM 2 slot) - dual SIM model only microSD, up to 512 GB (dedicated slot) microSDXC
USB OTG Not 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
Barometer Sensor barometer sensor present barometer sensor not present barometer sensor not present
Heart-rate Sensor heart rate sensor present heart rate sensor not present heart rate sensor not present
NFC NFC supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Ion Battery Non-removable Li-Po Battery
Fast battery charging 25W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 4000 mAh 4000 mAh 5000 mAh
Stand by - - -
Talk Time - - -