Phone Comparison - Samsung Galaxy S8+ vs Samsung Galaxy A31 vs Samsung Galaxy A51 5G

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced March 2017 2020, March 24 April 2020
Status Available - April 2017 Coming Soon - April 2020 Coming Soon - April 2020
Price Rs. 64,900 ($845.00) [Similarly Priced] - -
Colors Black, White, Gold, Silver, Pink Gold Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Prism Cube Black, Prism Cube White, Prism Cube Pink
Form Factor Candybar Candybar Candybar
Dimension 159.5 x 73.4 x 8.1 mm
(6.28 x 2.89 x 0.32 in)
159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
158.9 x 73.6 x 8.7 mm
(6.26 x 2.9 x 0.34 in)
Weight 173 g (6.1 oz) 185 g (6.53 oz) 187 g (6.6 oz)
SIM Type Dual-SIM 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 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE LTE (unspecified) 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), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
5G Network - - 5G SA/NSA
Messaging SMS, MMS, EMail, IM
Build Features IP68 certified - Fingerprint Sensor (under display, optical)
- Fingerprint Sensor (under display, optical)
Notification LED Yes - -

hardware Hardware and OS

OS Android OS, v7.0 (Nougat) Android 10.0 Android 10.0
User Interface - One UI 2.0 One UI 2.0
Processor Octa-core (4x2.35 GHz Kryo & 4x1.9 GHz Kryo) / Octa-core (4x2.3 GHz & 4x1.7 GHz), Qualcomm MSM8998 Snapdragon 835/ Exynos 8895 Octa Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm) Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55), Exynos 980 (8 nm)
GPU Adreno 540 Mali-G52 MC2 Mali-G76 MP5
RAM 4/6 GB 6 GB 8 GB
Internal Memory 64/128 GB 128 GB 128 GB
External Memory microSD, up to 256 GB (dedicated slot) microSDXC microSDXC (dedicated slot)

display Display

Type Super AMOLED capacitive touchscreen, Gorilla Glass 5 Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen
Corning Gorilla Glass 3
Colors 16M colors 16M colors 16M colors
Size 6.2 inches 6.4 inches 6.5 inches
Resolution 1440 x 2960 pixels (531 ppi) 1080 x 2400 pixels (411 ppi) 1080 x 2400 pixels (405 ppi)
Screen-to-Body Ratio 83.31% 85.01% 87.17%
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 12 MP 48 MP + 8 MP + 5 MP + 5 MP 48 MP + 12 MP + 5 MP + 5 MP
Flash Dual-LED (Dual Tone) LED flash LED flash
Features Phase Detection Autofocus, f/1.7 aperture, OIS, Geo-tagging, Simultaneous 4K Video And Image Recording, Touch Focus, Face/smile Detection, Auto 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
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
12 MP, f/2.2, 12mm (ultrawide)
5 MP, f/2.4, 25mm (macro), 1/5.0", 1.12µm
5 MP, f/2.2, (depth)
HDR, panorama
Video 2160p@60fps, 1080p@120fps, HDR, dual-video rec. 1080p@30fps 2160p@30fps, 1080p@30/120fps; gyro-EIS
Front Camera 8 MP, AF [Similar] 20 MP, f/2.2, 0.8µm
HDR
1080p@30fps [Similar]
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA, LTE, VoLTE HSPA, LTE-A HSPA, LTE-A, 5G
Bluetooth v4.2, 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 v3.1, 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 Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 Yes Yes

memory User Memory

Internal 64/128 GB, 4/6 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) 128 GB, 8 GB RAM or 128 GB, 6 GB RAM (UFS 2.0)
Expandable Storage microSD, up to 256 GB (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
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 15W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3500 mAh 5000 mAh 4500 mAh
Stand by - - -
Talk Time - - -