Phone Comparison - Samsung Galaxy S8 vs Samsung Galaxy A40 vs Samsung Galaxy A31

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced March 2017 March 2019 2020, March 24
Status Available - April 2017 Coming Soon - April 2019 Coming Soon - April 2020
Price Rs. 57,900 ($720.00) [Similarly Priced] - -
Colors Black, White, Gold, Silver, Pink Gold Black, White, Blue, Coral Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Form Factor Candybar Candybar Candybar
Dimension 148.9 x 68.1 x 8 mm
(5.86 x 2.68 x 0.31 in)
144.3 x 69.1 x 7.9 mm
(5.68 x 2.72 x 0.31 in)
159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
Weight 155 g (5.47 oz) - 185 g (6.53 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
4G Network LTE LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) LTE (unspecified)
Messaging SMS, MMS, EMail, IM
Build Features - - Fingerprint Sensor
- Fingerprint Sensor (under display, optical)
Notification LED Yes - -

hardware Hardware and OS

OS Android OS, v7.0 (Nougat) Android 9.0 (Pie) Android 10.0
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 (2x1.8 GHz Cortex-A73 & 6x1.6 GHz Cortex-A53), Exynos 7885 Octa (14 nm) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55), Mediatek MT6768 Helio P65 (12nm)
GPU Adreno 540 Mali-G71 Mali-G52 MC2
RAM 4 GB 4 GB 6 GB
Internal Memory 64 GB 64 GB 128 GB
External Memory microSD, up to 256 GB (dedicated slot) microSD, up to 512 GB (dedicated slot) microSDXC

display Display

Type Super AMOLED capacitive touchscreen, Gorilla Glass 5 Super AMOLED Capacitive Touchscreen Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.8 inches 5.9 inches 6.4 inches
Resolution 1440 x 2960 pixels (568 ppi) 1080 x 2280 pixels (428 ppi) 1080 x 2400 pixels (411 ppi)
Screen-to-Body Ratio 84.06% 86.97% 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 12 MP 16 MP + 5 MP 48 MP + 8 MP + 5 MP + 5 MP
Flash Dual-LED (Dual Tone) LED Flash LED flash
Features Phase Detection Autofocus, OIS, f/1.7 aperture, Geo-tagging, Simultaneous 4K Video And 9MP Image Recording, Touch Focus, Face/smile Detection, Auto HDR, Panorama 16 MP, f/2.0, PDAF
5 MP, f/2.2, 12mm, (ultrawide)
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@120fps, HDR, dual-video rec. 2160p@30fps, 1080p@30fps 1080p@30fps
Front Camera 8 MP, AF [Similar] 25 MP, 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, LTE, VoLTE HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps HSPA, LTE-A
Bluetooth v4.2, A2DP, LE, aptX 4.2, 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, WiFi 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 Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser HTML5 Yes Yes

memory User Memory

Internal 64 GB, 4 GB RAM 64 GB, 4 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
Expandable Storage microSD, up to 256 GB (dedicated slot) microSD, up to 512 GB (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 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 supported NFC not supported

battery Battery

Type Non-removable Li-Ion battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 3000 mAh 3100 mAh 5000 mAh
Stand by - - -
Talk Time - - -