Samsung Galaxy M31s vs Galaxy M31 – What’s the Difference?

Samsung Galaxy M31s, an upgrade to the Galaxy M31 that was unveiled in February, was launched in India today. Both the smartphones have a similar design on the back but there’s a striking difference on the front. Further, the Galaxy M31s comes with a few features that we usually see in top-end offerings by the South Korean tech giant. Here in this article, we will list the differences in features, specifications and price between the Galaxy M31s and its predecessor, the Galaxy M31.

Galaxy M31s vs Galaxy M31: Price

The Samsung Galaxy M31s was launched with a starting price of Rs. 19,499 for the 6GB RAM variant. The 8GB RAM option is priced at Rs. 21,499, and both the variants have 128GB of storage. It is offered in Mirage Black and Mirage Blue colours. The phone will go on sale starting August 6, and customers can purchase the phone from the Samsung Shop as well as Amazon India.

The Galaxy M31 was launched at a price of Rs. 15,999 for the base 64GB storage option, and Rs. 16,999 for the 128GB storage model. After a revision of prices, the base 6GB RAM + 64GB storage variant can be purchased for Rs. 17,499, the 6GB RAM + 128GB storage model is priced at Rs. 18,499 and the top 8GB RAM + 64GB storage variant has a price tag of Rs. 20,499.

Galaxy M31s vs Galaxy M31: Specifications, features

Both the smartphones have dual-SIM (Nano) support and run Android 10 with One UI 2.0 on top. The Galaxy M31s sports a 6.5-inch full-HD+ Super AMOLED Infinity-O Display with the hole-punch in the top centre of the screen. The Galaxy M31, on the other hand, has a 6.4-inch full-HD+ Super AMOLED Infinity-U Display, which is commonly known as a display with waterdrop notch. Under the hood, both the smartphones have an octa-core Exynos 9611 mobile platform, coupled with up to 8GB of RAM and 128GB of storage.

Both the handsets have quad rear cameras for photography. The Galaxy M31s features a 64-megapixel primary Sony IMX682 sensor with an f/1.8 lens. It is coupled with a 12-megapixel sensor with a 123-degree ultra-wide-angle lens, and two 5-megapixel depth and macro cameras. The Galaxy M31s also has a pre-installed Intelli-Cam feature to deliver an enhanced camera experience. There is a 32-megapixel selfie camera in the hole-punch, and the sensor supports 4K video recording.

On the contrary, the Galaxy M31 has a 64-megapixel primary Samsung ISOCELL Bright GW1 sensor with an f/1.8 lens. It is paired with an 8-megapixel sensor with an f/2.2a 123-degree ultra-wide-angle lens, and two 5-megapixel macro and depth cameras. The rear camera supports Live Focus for bokeh effect, a dedicated night mode, super steady mode, and super slo-mo. Just like the Galaxy M31s, the Galaxy M31 also has a 32-megapixel front camera with 4K and slo-mo video recording.


The Galaxy M31s packs a 6,000mAh battery, supports reverse charging, and comes bundled with a 25W charger with a USB Type-C to USB Type-C cable. It has a 3.5mm headphone jack and a side-mounted fingerprint sensor. In contrast, the Galaxy M31 has a 6,000mAh battery with a 15W charger in the box. The fingerprint sensor is on the back, and the phone is equipped with a 3.5mm headphone jack.

Samsung Galaxy M31s vs Samsung Galaxy M31 comparison

  Samsung Galaxy M31
Overall NDTV Rating
Design Rating
Display Rating
Software Rating
Performance Rating
Battery Life Rating
Camera Rating
Value for Money Rating
Brand Samsung Samsung
Model Galaxy M31s Galaxy M31
Release date 30th July 2020 26th February 2020
Launched in India Yes Yes
Thickness 9.3
Battery capacity (mAh) 6000 6000
Removable battery No No
Fast charging Proprietary
Wireless charging No No
Colours Mirage Black, Mirage Blue Blue, Black
Body type Plastic
Dimensions (mm) 159.20 x 75.10 x 8.90
Weight (g) 191.00
Screen size (inches) 6.50 6.40
Resolution 1080×2400 pixels 1080×2340 pixels
Aspect ratio 20:9 19.5:9
Processor octa-core 2.3GHz octa-core (4×2.3GHz + 4×1.7GHz)
Processor make Samsung Exynos 9611 Samsung Exynos 9611
Internal storage 128GB 128GB
Expandable storage Yes
Expandable storage type microSD
Expandable storage up to (GB) 512
Dedicated microSD slot Yes
Rear camera 64-megapixel (f/1.8) + 12-megapixel (f/2.2) + 5-megapixel (f/2.4) + 5-megapixel (f/2.4) 64-megapixel (f/1.8) + 8-megapixel (f/2.2) + 5-megapixel (f/2.2) + 5-megapixel (f/2.4)
Rear autofocus Yes Yes
Rear flash Yes Yes
Front camera 32-megapixel (f/2.2) 32-megapixel (f/2.0)
Operating system Android 10 Android 10
Skin One UI One UI 2.0
Wi-Fi standards supported 802.11 a/b/g/n/ac 802.11 a/b/g/n/ac
Bluetooth Yes, v 5.00 Yes, v 5.00
Number of SIMs 2 2
USB Type-C Yes
Active 4G on both SIM cards Yes
SIM Type Nano-SIM Nano-SIM
4G/ LTE Yes Yes
SIM Type Nano-SIM Nano-SIM
4G/ LTE Yes Yes
Face unlock Yes Yes
Fingerprint sensor Yes Yes
Proximity sensor Yes Yes
Accelerometer Yes Yes
Ambient light sensor Yes Yes
Gyroscope Yes Yes
Compass/ Magnetometer Yes

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Sagar Biswas

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