The Galaxy M31 has already been released and we already have a full review of it. Now, you are asking us to compare it with the main mid-rangerss of the year since only a few ones are still cheap, we better choose well, right? So, one of the best comparison options here is the new Redmi Note 9S that arrived expensive in Brazil but that can also be found in marketplaces. Does the Xiaomi candidate overcome what may be the best mid-ranger of the year? This is what you’ll check out now here at Domino dominates this battle – that’s because the rear camera module of the two phones is very similar, a protruding rectangle. On the Redmi Note 9S, it is much taller but only part of it sticks out, while on the M31 Its way more uniform, and it is also located in the corner instead of in the center. But in general, they are different in several aspects and although the frame of both is made of plastic The Note 9S has a Gorilla Glass back with a holographic look. The M31 arrived in glossy plastic with solid colors and features the U-shaped front-facing camera, centered, against a punch hole located in the same position, on the Redmi. The biometric sensor is also different, because although they are not below the screen it is at the rear on the Galaxy M31 and on the right side of the Note 9S. And both are precise, although the latter can complicate the user experience for lefties a little. Having a bigger screen, the Note 9S also has bigger dimensions and ends up compensating for that by bringing water repsistence – to top it off, both are Dual-SIM and they have separate cribs with both MicroSD and the second SIM slot. 
So, the Redmi Note 9S opens our scoreboard. On the screen, we have that old arm wrestling situation that brings the Super AMOLED on the M31 to face the IPS LCD of the Note 9S. The Full HD+ resolution is present in both, but the Redmi’s nearly 6.7″d isplay is larger than the 6.4″ of the M31. The screen-to-body ratio is the same among them, which also bring Gorilla Glass protection without a newer version on Redmi. This one also supports HDR10, which is cool, for example, for you to see content that brings this technology on Netflix or YouTube. In quality, both have good readability outdoors and as much as the Note 9S has a good LCD, it is surpassed by the M31 which has more vibrant colors better viewing angle and deep blacks. The Note 9S screen is very interesting, but the Galaxy M31 impresses with the price and gets the point. In external audio, our competitors are very similar, but that is not exactly good news. Being mono with only one sound output at the bottom, both have a deficiency in mids and bass and burst the sound when a high volume. They are interesting for videos since voices end up being highlighted, but for music they fall short. Headphones only come bundled in the Galaxy M31 box, but they are the simplest model possible and deliver a basic sound that even gets the job done when making calls but those who enjoy music will need something better to enjoy the Dolby Atmos present. It is another point that we have for the Samsung cell phone. These are two intermediaries that are almost well-updated – Android 10 comes installed at the factory but if the Note 9S is on MIUI 11, and has not yet received MIUI 12, the M31 comes with a simpler version of the One UI interface called One UI Core 2.0. Both, thankfully, should have an update to Android 11. There are two interfaces with many customizable features but on the One UI Core you lose, for example, the Secure Folder and Samsung Pay and take a lot of bloatware in return. 
MIUI also has many adjustments and brings a system of themes that pleases who likes to change the look of the smartphone and some ads to help you. For connections, both have two-band Wi-Fi, Bluetooth 5.0 and GPS and do not have NFC. Also, the Redmi Note 9S brings the infrared sensor that is a favorite of the brand’s fans because with it you can control several electronics. They tie because both are quite complete here. The interface with fewer features from Samsung ends up showing that it came in this session. The M31 has an Exynos 9611 chipset, with 6 GB of RAM and 128 GB of space, while the Note 9S features a Qualcomm Snapdragon 720G chipset and 4 GB of RAM with 64 GB of storage, although it also has a version that is not the one that was tested by us with the same memory and space as the M31, with 6GB and 128GB. In the benchmarks, everything goes as expected: the Note 9S has a processor manufactured in a more modern way and performs 25% better than Samsung. However, in our standardized app opening tests, the whole thing is reversed surprisingly and the M31 goes over 30% faster than the Note 9S, showing that a system well married to the hardware is what we have here. At games, we have a new chair dance and the M31 is just good for fun running light titles well and lagging on heavier titles like Asphalt 9. Note 9S stands out for being able to rotate heavy titles at up to 60 fps using the Game Turbo 2.0 function the M31 is fast in everyday life, but the firepower makes the point for the Redmi Note 9S. Because it is bigger, the Note 9S’s 5.020 mAh battery would last less than the Galaxy M31’s 6,000 mAh but it also didn’t perform bad. 
LlThe two spend a full day of direct use and the Samsung smartphone surpasses the rival for just under an hour. In screen time, the thirteen and a half hours are the same for both, but at the time of recharge they distance themselves again, and with a 22.5-Watt charger in the box, the Note 9S can stay less than two hours in the socket, the feat that the M31 and its 15-Watt charger they can’t, approaching two and a half hours. The advantages of each are sufficient for them to tie in this regard. Launched out there in a moment they do not differ much in the set of rear cameras that end up following that very common quadruple-camera script. The Galaxy M31 has a 64 MP main wide, f/1.8 aperture and PDAF, 8 MP ultra-wide, 5 MP macro, and a 5 MP depth sensor. The Note 9S has a 48 MP wide main sensor, f/1.8 aperture with PDAF, an 8 MP ultra-wide, a 5 MP macro camera and a 2 MP depth sensor. As you saw, the biggest differences are in the amount of megapixel in some sensors and as a whole, the Redmi Note 9S showed better performance, since its processor can make better use of the resources it has – its artificial intelligence bursts in colors but in the automatic mode, it makes great photos, brings a lot of details, balanced colors, and a good dynamic range. The main camera of the M31 has improved over the previous one but saturates a lot in automatic mode and at higher resolution, the photos lose sharpness, which also ends up being a problem that appears on the Note 9s. On the ultra-wide Redmi has photos with a decent quality of details, contrast without exaggeration and dynamic range as good as the main one. The M31 only makes good pictures in great light conditions, and below that, it is already starting to suffer. Finally, the macro also does better on the Redmi Note 9S because it has autofocus, and makes the best pictures that we’ve seen so far in an intermediary macro. Samsung’s sensor has a fixed focus and also needs a lot of light to make interesting photos. The Note 9S undoubtedly does better in the photos, and the point is his. For videos are two cameras that go beyond the basics, recording in 4K but only at 30 fps and the electronic stabilizer only appears if you record in Full HD.
 In this capacity, only the Note 9S also records at 60 fps and features slow-motion modes. As a con, the M31 also has a very slow focus, but it has a good audio capture while Redmi’s is not that good. At night, as expected, the recording sucks on both, so the video point goes to Note 9S capabilities. The camera on the Redmi Note 9S has 16 MP and f/2.5 aperture, which looks less promising than the M31 which has a 32 MP sensor with f/2.0 aperture – only, in the end, each one does well in something. Although it softens the face a bit, the M31 got better pictures during the day bringing more details, but the Note 9S is superior at night and makes better cuts in Portrait Mode. Its photos showed a slightly better definition, especially where he is most required such as indoors and at night. Portrait Mode doesn’t get the details right as much as on the Note 9S, but it has better maintained the contrast of the images. The M31 takes the lead in offering 4K recording, so point to the Galaxy M31. Coming for R$ 2,000, the Galaxy M31 was not that highlight of low prices, but it can be overshadowed here for the arrival of the Redmi Note 9S for R$ 2,800 in Brazil, and we are talking of that version with 4GB / 64GB – that version that is the same as the M31 with 6GB of RAM and 128 GB of space arrived for R$ 3,000. But we know, the marketplaces are already in full swing and the M31 has also had its fall so they are equal today at R$ 1,800 with this difference in RAM and storage. The M31 is more likely to have a price drop than the Note 9S, at least here in Brazil, and once imported they are not worth much. At current values, the Galaxy M31 ends up being a better cost-benefit and snatches this final point. Yes, you see that we have a stake here, only if you think, it makes a lot of sense. The Note 9S is more expensive, while the M31 cannot take full advantage of its features because of a processor that is not as optimized. So, for lighter use, if you need a battery and balanced performance, the Galaxy M31 is a good option, especially if it drops a little more in price. If you want a nice gaming experience, superior photos and prefer a glass finish Pick the Note 9S. There are two very interesting devices currently available in the Brazilian market and it’s worth looking out for deals for both. Only now, tell me here, on which one would you bet on if you were to say that one of them Will end up competing again in a tiebreaker? We want to know your opinion, write down here! And to keep an eye on which of these will drop in price first we leave the links for our offer tool for you to check out below too. I’ll stick around and see you next time. 
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