Samsung Galaxy M21 Review

Samsung’s Galaxy M sequence was launched as an online-exclusive lineup to compete with Chinese producers resembling Xiaomi and Realme. The gadgets launched as part of this sequence have gained a whole lot of recognition because of their aggressive pricing in comparison with Samsung’s different choices. Thanks to their recognition, these smartphones at the moment are additionally obtainable offline. Samsung just lately added one other mannequin to this sequence, referred to as the Galaxy M21. This new smartphone shares a whole lot of {hardware} with a few of its predecessors however can it stand out? We put the Galaxy M21 to the check to seek out out.

Samsung Galaxy M21 design

Samsung has been making telephones within the Galaxy M sequence out of plastic to maintain prices down. The Galaxy M21 feels prefer it was designed with a good finances in thoughts. The again panel is made out of plastic and has a shiny end. It picks up fingerprints very simply. Samsung doesn’t present a case within the field, so you will need to wipe the gadget typically until you purchase one your self.

The Galaxy M21 is the successor of the Galaxy M20 (Review) however seems way more just like the Galaxy M30s (Review) which was launched in mid-2019. However, it doesn’t are available in the identical flashy colors and is out there solely in Blue and Black.

The Galaxy M21 has a giant show that measures 6.Four inches, and has skinny bezels on the prime and the perimeters. The chin is significantly thicker. At the highest, it has a waterdrop notch that homes the selfie digital camera and a tiny earpiece proper above it. You can attain the highest of the show in case you have massive arms, else you will must shuffle just a little to succeed in the highest. However, this cellphone is not as massive because the Redmi Note 9 Pro Max, which we just lately reviewed.

The dewdrop notch homes the 20-megapixel selfie shooter


We additionally had a difficulty reaching the quantity buttons as they’re positioned a bit too excessive for our liking. The energy button and the rear-mounted fingerprint scanner are nicely positioned although, and are straightforward to succeed in when utilizing the gadget single-handed. The Galaxy M21 measures 8.9mm in thickness which is especially all the way down to the large battery that it packs in. Surprisingly, the gadget doesn’t really feel too cumbersome within the hand as the perimeters are curved. It additionally suggestions the size at 188g, which is way lighter than the Redmi Note 9 Pro (Review) which felt cumbersome.

Samsung presents a USB Type-C port on the backside and a 15W charger within the field. The Galaxy M21 additionally has a 3.5mm headphone jack on the backside together with the loudspeaker and the first microphone.

Samsung Galaxy M21 specs and software program

Taking a take a look at the spec sheets of each the Galaxy M21 and the Galaxy M30s, we struggled to seek out the variations between these two gadgets. The newer Galaxy M21 will get a 20-megapixel selfie shooter which is the next decision in comparison with the 16-megapixel sensor on the Galaxy M30s. The Galaxy M21 additionally will get One UI 2.Zero working on prime of Android 10, whereas the Galaxy M30s was working One UI 1.5 on prime of Android 9 Pie on the time of our overview. Currently the Galaxy M21 is cheaper by Rs. 2,300 in comparison with the Galaxy M30s

The Galaxy M21 has a 6.4-inch AMOLED show with full-HD+ decision. An AMOLED panel on this value vary is not quite common however Samsung has been steadily altering that with the Galaxy M sequence. This panel is vivid and has excellent viewing angles. It additionally will get vivid sufficient outside to be seen underneath daylight.

Samsung has chosen the Exynos 9611 SoC but once more. It now powers the Galaxy M21, identical to the Galaxy M31 and the Galaxy M30s. This is an octa-core processor with 4 efficiency ARM Cortex-A73 cores clocked at 2.3GHz and 4 effectivity Cortex-A53 cores clocked at 1.7GHz. It additionally options built-in Mali-G72 graphics. The Galaxy M21 is obtainable in two variants, one with 4GB of RAM and 64GB of storage, and the opposite with 6GB of RAM and 128GB of storage. We had the bottom variant for this overview, which is priced at Rs. 12,699 on Amazon however can be obtainable for Rs. 13,199 offline and on Samsung’s web site. Similarly, the top-end mannequin is priced at Rs. 14,999 on Amazon and Rs. 15,499 elsewhere.

The shiny again of the Samsung Galaxy M21 is a fingerprint magnet


The Galaxy M21 is a dual-SIM gadget and has two Nano-SIM slots. It additionally has a devoted microSD card slot for storage enlargement. There is help for twin 4G VoLTE, Bluetooth 5, dual-band Wi-Fi, and 4 satellite tv for pc navigation techniques. It packs in a 6,000mAh battery.

The Galaxy M21 runs One UI 2.Zero on prime of Android 10 which is the newest model of Android. It was nonetheless working the February safety patch, which is now dated, on the time of this overview. The UI is just like that of the Galaxy M31 which we reviewed earlier this 12 months. With the Galaxy M21, you will have to watch out whereas establishing the gadget, or Samsung will ship you advertising and marketing notifications. The setup course of additionally suggests putting in a number of different apps, which we skipped.

The 48-megapixel main digital camera is the spotlight of this digital camera setup


We discovered some bloatware preinstalled on the gadget, together with Amazon Shopping, Netflix, Prime Video, Helo, and Dailyhunt. We have seen prior to now that Helo and Dailyhunt are able to producing spammy notifications, so we might suggest that you simply uninstall them in case you do not use them. We additionally discovered the inventory My Galaxy app pushing notifications all through the day.

This cellphone will get an Always-on show mode, and Dolby Atmos is out there for earphones and Bluetooth headsets. You even have the choice to change to gesture-based navigation as an alternative of the standard three-button structure. Other Android 10 goodies embody a Dark Mode, which takes full benefit of the Super AMOLED panel on the Galaxy M21. Samsung has additionally added a Game Booster characteristic that may block notifications and offers fast shortcuts for apps of your alternative.

Samsung Galaxy M21 efficiency

The Exynos 9611 is a succesful processor and might care for primary apps with none indicators of slowing down. However, we did discover that heavy apps took a while to load. Multitasking was easy and we might change between a number of apps without having to attend for them to load once more.

The fingerprint scanner behind the gadget is fast to unlock the gadget, and so is face recognition. The AMOLED show is one of the best a part of the Galaxy M21 and we loved watching movies on this smartphone. We discovered the speaker to be tinny, which dampened the general expertise barely.

We ran benchmarks on the Galaxy M21 to see the way it stacks up towards a few of its competitors. The smartphone managed to attain 1,77,661 in AnTuTu which is decrease than the 191,981 clocked by the Galaxy M31. This could possibly be all the way down to the distinction in RAM between the 2 gadgets we examined. However, each these scores are far behind these of different telephones on this value phase, such because the Realme 6 (Review) and the Redmi Note 9 Pro which scored 290,210 and 279,978 respectively once we reviewed them.

The Galaxy M21 has a USB Type C port to cost the large 6,000mAh battery


The Galaxy M21 scored 347 and 1,320 in Geekbench’s single-core and multi-core checks respectively. We additionally noticed 43 fps and 9.Three fps in GFXBench’s T-Rex and Car Chase respectively. In 3DMark Slingshot, the Galaxy M21 scored 2,097 factors which is decrease than what a few of its opponents achieved.

We performed PUBG Mobile on the Galaxy M21 to see how the cellphone handles it. The recreation defaulted to the High settings with graphics set to HD and the body price set to High. We did discover some occasional stutter in gameplay which prompted us to drop the graphics high quality. After enjoying the sport for 15 minutes we observed that the gadget was barely heat to the contact, and registered a Three p.c battery drop.

Battery life for the Galaxy M21 was glorious. Thanks to the large 6,000mAh battery the cellphone lasted us for shut to 2 full days of standard use. In our HD video loop check, the gadget managed to final for 21 hours and 48 minutes, however Samsung telephones do routinely scale back brightness as soon as the battery falls under a sure degree. Also, the large battery takes over two hours to replenish. Using the provided 15W charger, the gadget received to 21 p.c in 30 minutes and received to 42 p.c in an hour.

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Samsung Galaxy M21 cameras

Samsung has gone with a triple digital camera setup on the Galaxy M21, and it’s equivalent to what you get with the Galaxy M30s. The main digital camera has a 48-megapixel sensor with an f/2.Zero aperture. There’s additionally an 8-megapixel ultra-wide-angle digital camera with an f/2.2 aperture, and a 5-megapixel depth sensor. The digital camera UI is straightforward to make use of. It has a scene optimiser that may detect what the digital camera is pointed in the direction of and set the cellphone up accordingly. Other than the common picture and video modes, it has a Live Focus, Pro, Night, Food, Super Slow-Mo and some extra.

The Samsung Galaxy M21 is fast to lock focus and meter gentle, however the scene optimiser is not as responsive. In picture mode, the Galaxy M21 saves 12-megapixel photographs by default. In daylight, we discovered the digital camera efficiency to be good, and the Galaxy M21 managed to seize good particulars, and textual content at a distance was legible. However, we might have favored a bit extra sharpness within the output.

Samsung Galaxy M21 daylight digital camera pattern (faucet to see full-size picture)

Samsung Galaxy M21 wide-angle digital camera pattern (faucet to see full-size picture)


The wide-angle digital camera has a decrease decision which is clear in photographs. It doesn’t handle particulars in addition to the first shooter. It does supply a wider subject of view however there may be seen distortion.

Samsung Galaxy M21 closeup pattern (faucet to see full-size picture)


For close-ups, the cellphone managed to create a pure depth impact between the topic and the background in our checks. The topic was in focus and sharp. With the scene optimiser enabled, the cellphone bumps up the distinction.

Samsung Galaxy M21 portrait pattern (faucet to see full-size picture)


When taking pictures portraits utilizing the Live Focus mode, the Galaxy M21 lets you choose the extent of blur within the output. It detects edges nicely and the software program additionally lets you change the extent of blur and the impact after taking a shot.

Samsung Galaxy M21 low-light pattern (faucet to see full-size picture)

Samsung Galaxy M21 Night mode pattern (faucet to see full-size picture)


Low-light digital camera efficiency is inferior to what we have seen from among the different telephones on this value vary that we’ve got examined. The Galaxy M21 managed to maintain noise underneath management however there was a watercolour-like impact within the output. Quality drops additional in case you use the wide-angle digital camera in low gentle. The Night mode on the Galaxy M21 manages to provide barely higher output, however the cellphone crops the body barely to minimise shakes.

Samsung Galaxy M21 selfie pattern (faucet to see full-size picture)


Selfies taken in daylight had good element, however beautification is enabled by default. The digital camera UI presents you a cropped view by default however you get a toggle for a wider body. The selfie digital camera delivers 12-megapixel photographs by default, however you’ll be able to take a photograph on the full 20-megapixel decision in case you change the facet ratio. In low gentle, selfies had no noise however grain was seen on zooming in.

Video recording maxes out at 4K for the first digital camera however there’s has a 10-minute restrict for clips, which feels restrictive. The selfie digital camera is capped at 1080p. Video recorded in daylight had a shimmer impact which might make your footage unusable. There is an ultra-stable mode which delivers higher stabilisation. There isn’t any stabilisation at 4K. The shimmer impact was even worse in low gentle, and the ultra-stable mode did trigger a drop in video high quality.


The Samsung Galaxy M21 feels lots just like the Galaxy M30s (Review). It shares a whole lot of key specs with the older gadget. The differentiators are Android 10 and the next decision selfie shooter, however for the reason that Galaxy M30s just lately received an update to One UI 2.0, the selfie digital camera is just about the one differentiator. Surprisingly, Samsung has priced the Galaxy M21 decrease than the Galaxy M30s which remains to be on sale. The lower cost and the higher likelihood of getting up to date to Android 11 sooner or later tip the scales within the Galaxy M21’s favour.

However, the Galaxy M21 itself is simply a mean gadget at this value level. Competitors such because the Realme 6 (Review) and the Redmi Note 9 Pro (Review) supply way more spectacular efficiency and higher cameras at roughly the identical value.

Is Redmi Note 9 Pro Max one of the best inexpensive digital camera cellphone in India? We mentioned this on Orbital, our weekly know-how podcast, which you’ll be able to subscribe to by way of Apple Podcasts or RSS, download the episode, or simply hit the play button under.

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This post was last modified on May 28, 2020 6:04 pm

Joy: Hi Folks. I am Jyoti, pursuing my passion to write content on Technology and Automobiles. I am a B.Tech (IT) graduate who loves to write content on different niche. Being passionate since college days, I took it as my full-time career. I started this blog to deliver unbiased reviews to the readers and let them choose the right product based on their reviews. If you want to contact me, you can drop your mail at

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