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Comparison: Samsung Galaxy A31 Vs Samsung Galaxy M31 Vs Redmi Note 9 Pro

Which among the three smartphones is the best buy?

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Today the South Korean smartphone company launched its latest smartphone Samsung Galaxy A31 in India. The device comes with a 5,000mAh battery with 15W fast charging support. The smartphone is available in India via all the leading online platforms in India at Rs 21,999 for the 6GB RAM and 128GB storage. The mobile phone comes with similar specifications as the Samsung Galaxy M31 and Redmi Note 9 Pro. Read our comparison to know how Samsung’s new handset stands against both of them.

Table of Contents

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Samsung Galaxy A31: 6.4-inch Full HD+ Super AMOLED display

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

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Redmi Note 9 Pro: 6.67-inch full-HD+ IPS display with a 20:9 aspect ratio


Samsung Galaxy A31: MediaTek Helio P65 processor

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Samsung Galaxy M31: Exynos 9611 processor

Redmi Note 9 Pro: Qualcomm Snapdragon 720G processor 

Rear camera(s)

Samsung Galaxy A31: 48MP + 8MP + 5MP + 5MP

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

Redmi Note 9 Pro: 48MP+8MP+5MP+2MP

Selfie camera

Samsung Galaxy A31: 20MP

Samsung Galaxy M31: 32MP

Redmi Note 9 Pro: 16MP

RAM and storage

Samsung Galaxy A31: 6GB RAM + 128GB storage

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

Redmi Note 9 Pro: 4GB + 64GB model and 6GB + 128GB storage


Samsung Galaxy A31: 5,000mAh battery

Samsung Galaxy M31: 6,000mAh battery

Redmi Note 9 Pro: 5,020mAh battery

Operating system

Samsung Galaxy A31: One UI 2.0 skinned on top of Android 10

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

Redmi Note 9 Pro: MIUI 11 based on top of Android 10


Samsung Galaxy A31: Rs 21,999

Samsung Galaxy M31: Rs 14,999

Redmi Note 9 Pro: Rs 12,999

Our Take

All smartphones share similar specifications. However, there is a huge difference between all the smartphones in terms of pricing. The Samsung Galaxy M31 definitely beats both Galaxy A31 as well as Redmi Note 9 Pro both in the specifications as well as the pricing department. Being affordable it caters to the needs of today’s consumer.

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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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