Samsung Galaxy M31s


Samsung Galaxy M31s
Samsung Galaxy M31s (Galaxy M Series)
Samsung Exynos 9611 8 x 1.7 - 2.3 GHz, Exynos 7 Series
Graphics adapter
6144 MB 
, or 8GB
6.5 inch 20:9, 2400 x 1080 pixel 405 PPI, Capacitive, Super AMOLED, Corning Gorilla Glass 3, glossy: yes
128 GB UFS 2.1 Flash, 128 GB 
Audio Connections: 3.5mm, Card Reader: microSD, 1 Fingerprint Reader, Sensors: Accelerometer, gyro, proximity, compass, USB-C
802.11 a/b/g/n/ac (a/b/g/n = Wi-Fi 4/ac = Wi-Fi 5), Bluetooth 5.0, GSM, UMTS, LTE, Dual SIM, GPS
height x width x depth (in mm): 9.3 x 159.3 x 74.4 ( = 0.37 x 6.27 x 2.93 in)
6000 mAh Lithium-Polymer
Operating System
Android 10
Primary Camera: 64 MPix Triple: 64MP (f/1.8, 26mm, 1/1.72", 0.8µm) + 12MP (f/2.2, 123˚) + 5MP (f/2.4)
Secondary Camera: 32 MPix f/2.2, 26mm, 1/2.8", 0.8µm
Additional features
Keyboard: Virtual
203 g ( = 7.16 oz / 0.45 pounds) ( = 0 oz / 0 pounds)
250 Euro



Average Score: 80.14% - good
Average of 7 scores (from 16 reviews)
price: 70%, performance: 75%, features: - %, display: 85% mobility: 100%, workmanship: 80%, ergonomy: - %, emissions: - %

Reviews for the Samsung Galaxy M31s

Samsung Galaxy M31s hands-on review
Source: GSM Arena English
So even though the Galaxy M31s is not an expensive phone, it is still not great value when compared to everything else that is on the market. Even if this phone came with a more modern and competitive Snapdragon chipset, it would be worth recommending but the combination of the slow and aging Exynos 9611 chipset and an increasingly outdated 60Hz display means the M31s just feels like you're using a phone from a year ago. Which, if you think about it, it is.
Single Review, online available, Very Long, Date: 09/09/2020
Samsung Galaxy M31s Review: Hitting the right spot?
Source: The Mobile Indian English
To conclude, the Samsung Galaxy M31s is a refined smartphone and it comes with useful upgrades as compared to its predecessors. The addition of Infinity-O display, 6000mAh battery and more. The design is similar to the Galaxy M31, but it still looks premium when you hold it. The display is crisp and colourful, while the Exynos 9611 processor can get you through day-to-day activities. The cameras are decent for this price point. However, the long-lasting battery is the major selling point of this device. So, if you are a Samsung enthusiast and want to buy a smartphone under Rs 20,000, then Galaxy M31s is perfectly suited for you.
Single Review, online available, Medium, Date: 09/08/2020
Samsung Galaxy M31s Review — A solid Galaxy phone for around Rs. 20000
Source: Fone Arena English
Overall, the Galaxy M31s, is a worth upgrade to M31 at a slightly higher price compared to the predecessor. It has upgraded cameras, better Infinity-O AMOLED display and 25W fast charging while retaining the huge 6000mAh battery. Glass back, lack of splash-resistant body, Samsung Pay are few things that needs to be compromised.
Single Review, online available, Very Long, Date: 08/29/2020
76% Samsung Galaxy M31s Camera Review
Source: Techniqued English
So summing up, how good is the Galaxy M31s in terms of the camera? The Galaxy M31s definitely has an improved camera compared to M31 with the new Sony sensor in place. It has good colors, good sharpness, and good selfies as well. The areas of improvement are low light and also video recording where the focus hunting issue has been there for quite some time.
Single Review, online available, Medium, Date: 08/27/2020
Rating: Total score: 76%
80% Samsung Galaxy M31s review: Hits the right notes
Source: Gadgets Now English
The Samsung Galaxy M31s is certainly a new high for the series. The company has offered upgrades in the right categories such as improved ultra-wide angle camera and a faster charging support. At a starting price of Rs 19,499, the device covers all bases well enough and has its strengths in battery and display. Even with tough competition in the category, the Samsung Galaxy M31s has a lot going for it to stand out from the crowd.
Single Review, online available, Medium, Date: 08/25/2020
Rating: Total score: 80%
80% Samsung Galaxy M31s review: A great overall package
Source: Neowin English
The Galaxy M31s is not as powerful as the Redmi Note 9 Pro series, but once you look past its average performance, you will realize that it is a surprisingly good device. The Galaxy M31s is definitely not for power users or gamers but for average users for whom better battery life, a quality AMOLED panel, plenty of storage, and decent software experience are more valuable. The Galaxy M31s is the perfect example of a smartphone and the value that it delivers as an overall package and that it cannot be judged based on the chipset that it uses.
Single Review, online available, Very Long, Date: 08/23/2020
Rating: Total score: 80%
Samsung Galaxy M31s review: Impressive in every respect except performance
Source: Business Standard English
Priced Rs 19,499 onwards, the Samsung Galaxy M31s is a capable smartphone that would have been an all-round package if it had a better processor. It’s time Samsung retired the Exynos 9611 SoC and used a better processor, especially in its midrange smartphones. Except for performance, there is hardly anything that you would not like about this smartphone. Consider the Galaxy M31s for its vivid display, capable optics and stellar on-battery time. Look elsewhere if performance and gaming capabilities are your primary deciding factors.
Single Review, online available, Long, Date: 08/18/2020
80% Samsung Galaxy M31S Review: Two Steps Ahead, One Step Behind
Source: English
Unless you’d prefer to avoid a Chinese product, you really cannot ignore the better build quality of the Xiaomi Redmi Note 9 Pro Max (Rs 16,999) and the Poco X2 (Rs 17,499), both of which feel snappier in daily usage, offer better cameras with more detail and get you great gaming performance as well.
Single Review, online available, Long, Date: 08/17/2020
Rating: Total score: 80% performance: 70% display: 90% mobility: 100% workmanship: 80%
75% Samsung Galaxy M31s review: Buy it for the display and battery life
Source: India Today English
The Samsung Galaxy M31s has a lot going for it. The phone brings a big display, which both looks and performs quite well. There's also a big 6000mAh battery and 25W fast charging to complete the package. And if you were still left unsure, the phone also impresses with its 64-megapixel lens-based quad cameras that are equipped to get the job done under all scenarios.
Single Review, online available, Medium, Date: 08/14/2020
Rating: Total score: 75%
80% Samsung Galaxy M31s Review
Source: NDTV Gadgets English
Samsung's Galaxy M series is consistently popular, and the company has been launching new models into the market quite rapidly. The Galaxy M31s is the successor to the Galaxy M31 (Review) and gets a fresh look, the new Infinity-O AMOLED display, and faster charging with a higher capacity bundled charger. It retains the same 6,000mAh battery and aging processor though, which could stop buyers from putting their money down.
Single Review, online available, Long, Date: 08/14/2020
Rating: Total score: 80% price: 70% performance: 80% display: 80% mobility: 100% workmanship: 80%
Samsung Galaxy M31s review: Undercutting the Galaxy A51, and how
Source: Sam Mobile English
The Galaxy M31 was already a fantastic value-for-money proposition, and the M31s makes things even better by offering support for 25W super fast charging to go along with the big battery, a versatile camera setup with the neat Single Take mode, and a side-mounted fingerprint scanner. The Infinity-O Super AMOLED display is also excellent, and while the camera quality tends to be not-so-great at night, you can now get around that by using the full-fledged Pro mode.
Single Review, online available, Long, Date: 08/12/2020
Samsung Galaxy M31s First Impressions: Can it take Samsung to new heights?
Source: The Mobile Indian English
The Samsung Galaxy M31s looks promising as it brings some much-needed upgrades to the Galaxy M-series. The phone looks much stylish as compared to the other smartphones in the Galaxy M-series and it sure give you a premium feel when you hold in your hand. The display looks crisp, though adding a better processor in this phone could have added more value to it. The cameras look promising and the Single Take feature is quite interesting to use. The battery backup has always been the strongest point of the Samsung Galaxy M-series and the Galaxy M31s takes this legacy further with a massive 6000mAh battery with 25W fast charging support. As for the competition, it will be put against Poco X2, Realme X2 and more.
Single Review, online available, Medium, Date: 08/11/2020
90% Samsung Galaxy M31s review: A stellar performer
Source: The Indian Express English
The Galaxy M31s has a nice and colourful 6.5-inch AMOLED screen, a great camera, excellent battery life, capable processor, a headphone jack and great build quality. Starting at Rs 19,499, the Galaxy M31s gives a premium impression, good enough to give tough competition to the OnePlus Nord, which starts at Rs 24,999. If you are planning to replace your old device and you are considering switching to the Galaxy M-series, I think the Galaxy M31s is worth checking out. I would happily recommend the Galaxy M31s over other expensive Android smartphones.
Single Review, online available, Long, Date: 08/09/2020
Rating: Total score: 90%

Foreign Reviews

Galaxy M31s pin 6.000 mAh, sạc nhanh 25W, Single Take ... Samsung chơi lớn?
Source: Nghenhin Vietnam VN→EN
Positive: Impressive battery capacity; quick charging; decent hardware; good price.
Single Review, online available, Short, Date: 08/01/2020
Galaxy M31s ra mắt: Exynos 9611, 4 camera sau 64MP, pin 6000mAh, giá từ 6 triệu đồng
Source: Genk VN→EN
Positive: Powerful processor; nice quad cameras; large battery capacity; attractive price.
Single Review, online available, Short, Date: 07/31/2020
Đây là những cải tiến trên Samsung Galaxy M31s so với Galaxy M31
Source: FPT shop VN→EN
Positive: Modern design; nice cameras; quick charging.
Comparison, online available, Short, Date: 07/30/2020


ARM Mali-G72 MP3: Integrated graphics card from ARM with 3 cores based on the 2nd generation of the Bifrost architecture.

Non demanding games should be playable with these graphics cards.

» Further information can be found in our Comparison of Mobile Graphics Cards and the corresponding Benchmark List.

Exynos 9611: Mid-range SoC that integrates 8 processor cores in two clusters: four ARM Cortex-A73 cores at up to 2.3 GHz and 4 ARM Cortex-A53 cores for power saving at up to 1.7 GHz. » Further information can be found in our Comparison of Mobile Processsors.


Only a few smartphones have larger screens.
Large display-sizes allow higher resolutions. So, details like letters are bigger. On the other hand, the power consumption is lower with small screen diagonals and the devices are smaller, more lightweight and cheaper.

» To find out how fine a display is, see our DPI List.

0.203 kg:

This weight is typical for smartphones.

Samsung: The Samsung Group is composed of numerous international businesses, all united under the Samsung brand in South Korea. The meaning of the Korean word Samsung is "tristar" or "three stars". The Samsung brand is one of the most important brands of South Korea. Samsung is an international notebook manufacturer of medium size according market shares and reviews.

In 2015 and 2016, Samsung had a market share of around 24-25% in the global smartphone market and was undisputed market leader. In the laptop sector, Samsung is on the 8th place in the global manufacturer rankings from 2014-2016 with 1.7-2.7%.


In 2016 Samsung slipped into a crisis due to exploding smartphone batteries and a failed recall action.

80.14%: This rating should be considered to be average. This is because the proportion of notebooks which have a higher rating is approximately equal to the proportion which have a lower rating.

» Further information can be found in our Notebook Purchase Guide.


Samsung Galaxy M21
Mali-G72 MP3

Devices from a different Manufacturer and/or with a different CPU

Elephone U5
Mali-G72 MP3, Mediatek Helio P60
Ulefone Armor 8
Mali-G72 MP3, Mediatek Helio P60
Doogee N20 Pro
Mali-G72 MP3, Mediatek Helio P60
ZTE Blade V2020
Mali-G72 MP3, Mediatek Helio P70
Cubot X30
Mali-G72 MP3, Mediatek Helio P60
Elephone U3H
Mali-G72 MP3, Mediatek Helio P70
Doogee S88 Pro
Mali-G72 MP3, Mediatek Helio P70
Oukitel WP6
Mali-G72 MP3, Mediatek Helio P60
ZTE Axon 11
Mali-G72 MP3, Mediatek Helio P70

Devices with the same GPU

Unihertz Titan
Mali-G72 MP3, Mediatek Helio P60, 4.6", 0.303 kg
Unihertz Jelly 2
Mali-G72 MP3, Mediatek Helio P60, 3", 0 kg
Ulefone Armor 3WT
Mali-G72 MP3, Mediatek Helio P70, 5.7", 0.3737 kg

Devices with Same Screen Size and/or Weight

Samsung Galaxy S20 FE 5G
Adreno 650, Snapdragon SD 865, 6.5", 0.19 kg
Samsung Galaxy M51
Adreno 618, Snapdragon SD 730, 6.7", 0.213 kg
Samsung Galaxy A2 Core
Mali-T830 MP2, Exynos 7870 Octa, 5", 0.142 kg
Samsung Galaxy A71 5G
unknown, unknown, 6.7", 0.185 kg
Samsung Galaxy Z Fold2
Adreno 650, Snapdragon SD 865+ (Plus), 7.6", 0.279 kg
Samsung Galaxy Z Flip 5G
Adreno 200, Snapdragon S1 QSD8250, 6.7", 0.183 kg
Samsung Galaxy M01s
PowerVR GE8320, Mediatek Helio P22 MT6762, 6.2", 0.168 kg
Samsung Galaxy A51 5G
unknown, unknown, 6.5", 0.187 kg
Samsung Galaxy Note20 Ultra
Mali-G77 MP11, Exynos Exynos 990, 6.9", 0.208 kg
Samsung Galaxy Note20
Mali-G77 MP11, Exynos Exynos 990, 6.7", 0.192 kg
Samsung Galaxy M01
Adreno 505, Snapdragon SD 439, 5.7", 0.168 kg
Samsung Galaxy A21s
Mali-G52 MP2, Exynos 850, 6.5", 0.192 kg
Samsung Galaxy A11
Adreno 506, Snapdragon SD 450, 6.4", 0.177 kg
Samsung Galaxy A31
Mali-G52 MP2, Mediatek Helio P65, 6.4", 0.185 kg
Samsung Galaxy M11
Adreno 506, Snapdragon SD 450, 6.4", 0.197 kg
Samsung Galaxy A41
Mali-G52 MP2, Mediatek Helio P65, 6.1", 0.152 kg
Current Prices
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Stefan Hinum, 2020-08-15 (Update: 2020-08-15)