HomeMobilesComparison: Samsung Galaxy M31 VS Samsung Galaxy M30s VS Samsung Galaxy A51

Comparison: Samsung Galaxy M31 VS Samsung Galaxy M30s VS Samsung Galaxy A51

Which among the three smartphones is the best buy?

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Samsung Galaxy M31 has been officially launched in India today. The device is an upgraded variant of Galaxy M30s which was launched last year in the country. The newly launched M31 comes with a 6,000mAh battery and a quad-camera set up with a 32-megapixel camera. The device can be compared with its predecessor M30s and Galaxy A51 in terms of specifications. So let us compare Samsung Galaxy M31 with the other two devices to help you decide which is the best buy for you. 


Samsung Galaxy M31:6.4-inch full-HD+  Infinity-U Display 

Samsung Galaxy M30s: 6.4-inch Super AMOLED Infinity-U Display

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Samsung Galaxy A51: 6.5-inch Super AMOLED full-HD+Infinity-O Display


Samsung Galaxy M31: Exynos 9611 processor

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Samsung Galaxy M30s: Exynos 9611 processor

Samsung Galaxy A51: Exynos 9611 processor

Rear camera(s)

Samsung Galaxy M31: 64MP + 8MP + 5MP + 5MP

Samsung Galaxy M30s: 48MP + 5MP + 3MP

Samsung Galaxy A51:48MP+12MP+5MP+5MP

Selfie camera

Samsung Galaxy M31: 32MP

Samsung Galaxy M30s: 16MP

Samsung Galaxy A51:32MP

RAM and storage

Samsung Galaxy M31: 6GB RAM + 64GB storage and 6GB RAM + 128GB storage

Samsung Galaxy M30s: 4GB RAM + 64GB storage and 6GB RAM + 128GB storage

Samsung Galaxy A516GB RAM + 128GB storage and 8GB RAM + 128GB storage


Samsung Galaxy M31: 6000mAh battery

Samsung Galaxy M30s: 6000mAh battery

Samsung Galaxy A51:4,500mAh battery

Operating system

Samsung Galaxy M31: One UI 2.0 based on top of Android 10

Samsung Galaxy M30s: Samsung One UI, based on Android 9.0 Pie

Samsung Galaxy A51: Android 10 with One UI 2.0 on top


Samsung Galaxy M31: Rs 14,999

Samsung Galaxy M30s: Rs 13,999

Samsung Galaxy A51: Rs 23,999

Our Take

All the phones come with the same processor that is Exynos 9611. Both Galaxy M31 and A51 offer quad cameras but the newly launched Galaxy M31 comes with a better set up with a 64-megapixel primary sensor whereas its predecessor comes with a triple rear camera. Both M31 and A51 equips a 32megapixel selfie camera whereas M30s has a 16-megapixel selfie camera. Other than that Galaxy M31 and M30s delivers a longer battery life as they pack a 6000mAh battery. In the pricing department, the Samsung M series is an affordable option. To conclude In terms of specifications and pricing the newly launched Samsung Galaxy M31 is a better option for you.

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Komila Singh
Komila Singh
Komila is one of the most spirited tech writers at Gadget Bridge. Always up for a new challenge, she is an expert at dissecting technology and getting to its core. She loves to tinker with new mobile phones, tablets and headphones.
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