Phone Comparison - Samsung Galaxy M31 vs Samsung Galaxy M51 vs Samsung Galaxy A31

Price Comparison (India) - -

general General Info

Manufacturer Samsung Samsung Samsung
Announced 2020, February 25 2020, August 31 2020, March 24
Status Available. Released 2020, March 5 Coming soon. Exp. release 2020, September 11 Coming Soon - April 2020
Price Rs. 14,999 ($0.00) [Similarly Priced] - -
Colors Ocean Blue, Space Black, Red Blue; other colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
Form Factor Candybar Candybar Candybar
Dimension 159.2 x 75.1 x 8.9 mm
(6.27 x 2.96 x 0.35 in)
162.6 x 77.5 x 8.5 mm
(6.4 x 3.05 x 0.33 in)
159.3 x 73.1 x 8.6 mm
(6.27 x 2.88 x 0.34 in)
Weight 191 g (6.74 oz) - 185 g (6.53 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) 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 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) LTE LTE (unspecified)
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor (side-mounted)
- Fingerprint Sensor (under display, optical)

hardware Hardware and OS

OS Android 10.0 Android 10.0 Android 10.0
User Interface One UI 2.0 One UI 2.0 One UI 2.0
Processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53), Exynos 9611 (10nm) 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 MP3 Adreno 618 Mali-G52 MC2
RAM 6 GB 6 GB 6 GB
Internal Memory 128 GB 128 GB 128 GB
External Memory microSD, up to 512 GB microSDXC microSDXC

display Display

Type Full HD+ Infinity-U Super AMOLED Capacitive Touchscreen FHD+ IPS LCD Capacitive Touchscreen
Corning Gorilla Glass 3
Super AMOLED Capacitive Touchscreen
Colors 16M colors 16M colors 16M colors
Size 6.4 inches 6.5 inches 6.4 inches
Resolution 1080 x 2340 pixels (403 ppi) 1080 x 2340 pixels (396 ppi) 1080 x 2400 pixels (411 ppi)
Screen-to-Body Ratio 83.97% 82.51% 85.01%
Multi-Touch yes yes yes

multimedia Multimedia

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

camera Camera

Rear Camera 64 MP + 8 MP + 5 MP + 5 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 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
64 MP, f/2.0, 26mm (wide), 1/1.72", 0.8µm, PDAF
12 MP, f/2.2, (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth)
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@30fps, 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30fps 1080p@30fps
Front Camera 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
HDR
1080p@30fps [Similar]
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
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, LTE-A HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat6 400/50 Mbps HSPA, LTE-A
Bluetooth 5.0, A2DP, LE 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 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
Browser Yes Yes Yes

memory User Memory

Internal 128 GB, 6 GB RAM or 64 GB, 4 GB RAM 128 GB, 6 GB RAM 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1)
Expandable Storage microSD, up to 512 GB microSDXC microSDXC
USB OTG Yes 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
NFC NFC not supported NFC supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 15W
Non-removable Li-Po Battery
Fast battery charging 25W
Non-removable Li-Po Battery
Fast battery charging 15W
Capacity 6000 mAh 7000 mAh 5000 mAh
Stand by - - -
Talk Time - - -