Phone Comparison - Samsung Galaxy S6 Edge vs Samsung Galaxy A51 vs Samsung Galaxy M31

Price Comparison (India)

general General Info

Manufacturer Samsung Samsung Samsung
Announced March 2015 December 2019 2020, February 25
Status Available - April 2015 Coming Soon - December 12, 2019 Available. Released 2020, March 5
Price Rs. 34,900 ($513.24) [Similarly Priced] Rs. 23,999 ($0.00) [Similarly Priced] Rs. 14,999 ($0.00) [Similarly Priced]
Colors White Pearl, Black Sapphire, Gold Platinum, Green Emerald Prism Crush White, Black, Pink, Blue Ocean Blue, Space Black, Red
Form Factor Candybar Candybar Candybar
Dimension 142.1 x 70.1 x 7 mm
(5.59 x 2.76 x 0.28 in)
158.4 x 73.7 x 7.9 mm
(6.24 x 2.9 x 0.31 in)
159.2 x 75.1 x 8.9 mm
(6.27 x 2.96 x 0.35 in)
Weight 132 g (4.66 oz) 172 g (6.07 oz) 191 g (6.74 oz)
SIM Type - 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 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 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 1900 / 2100
4G Network LTE LTE (unspecified) LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)
SAR US 1.58 W/kg (head)
1.34 W/kg (body)
- W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
SAR EU 0.33 W/kg (head)
0.59 W/kg (body)
- W/kg (head)
- W/kg (body)
- W/kg (head)
- W/kg (body)
Messaging SMS, MMS, EMail, IM
Build Features - Corning Gorilla Glass 4 back panel
- Fingerprint sensor (PayPal certified)
- Samsung Pay (Visa, MasterCard certified)
- Fingerprint Sensor(In-display)
- Fingerprint Sensor

hardware Hardware and OS

OS Android OS, v5.0.2 (Lollipop) Android 9.0 (Pie) Android 10.0
User Interface - One UI One UI 2.0
Processor Quad-core 1.5 GHz Cortex-A53 & Quad-core 2.1 GHz Cortex-A57, Exynos 7420 Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm)
GPU Mali-T760 Mali-G72 MP3 Mali-G72 MP3
RAM 3 GB 8 GB 6 GB
Internal Memory 32/64/128 GB 128 GB 128 GB
External Memory No microSD, up to 512 GB (dedicated slot) microSD, up to 512 GB

display Display

Type Super AMOLED Capacitive Touchscreen, Corning Gorilla Glass 4, Curved Edge Screen Full HD+ Infinity-O Super AMOLED Capacitive Touchscreen Full HD+ Infinity-U Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 5.1 inches 6.5 inches 6.4 inches
Resolution 1440 x 2560 pixels (576 ppi) 1080 x 2340 pixels (396 ppi) 1080 x 2340 pixels (403 ppi)
Screen-to-Body Ratio 71.96% 89.06% 83.97%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 16 MP, 3456 x 4608 pixels, OIS 48 MP + 12 MP + 5 MP + 5 MP 64 MP + 8 MP + 5 MP + 5 MP
Flash LED Flash LED Flash LED Flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Auto HDR, Panorama 48 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
64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.2, 25mm (macro), 1/5.0", 1.12µm
5 MP, f/2.2, (depth)
HDR, Panorama
Video 2160p@30fps, 1080p@60fps, 720p@120fps, HDR, dual-video rec. 2160p@30fps, 1080p@30fps 2160p@30fps, 1080p@30fps, gyro-EIS
Front Camera 5 MP, 1080p@30fps, dual video call, HDR [Similar] 32 MP, f/2.0, 25mm (wide)
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 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps HSPA, LTE-A HSPA, LTE-A
Bluetooth v4.1, A2DP, LE, apt-X 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 microUSB v2.0 (MHL 3 TV-out), USB Host 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, Beidou Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS
Browser HTML5 Yes Yes

memory User Memory

Internal 32/64/128 GB, 3 GB RAM 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM
Expandable Storage No microSD, up to 512 GB (dedicated slot) microSD, up to 512 GB
USB OTG Supported Supported Yes

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
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 2600 mAh 4000 mAh 6000 mAh
Stand by - - -
Talk Time - - -