Our Opinion

The Samsung Galaxy M31 (6GB RAM, 128GB) is a slightly better phone than the Samsung Galaxy A70s (8GB RAM), and is also significantly better value for money. What should you buy? Go for the Samsung Galaxy M31 (6GB RAM, 128GB)!

Samsung Galaxy A70s (8GB RAM)  Samsung Galaxy M31 (6GB RAM, 128GB) 
Samsung Galaxy A70s Samsung Galaxy M31
Buy Now Buy Buy
Excellence Score
43.6
44.7
Value for Money Score
63.4
76.3
Price ₹ 22,994 onwards ₹ 16,499 onwards
Launch Date (India) Sep, 2019 Mar, 2020
Expected Launch Date N/A N/A
Smartphone OS Android 9.0 Pie, Upgradeable to Android 10Expected update to next Android version Android 10Expected update to next Android version
Touchscreen Yes (Capacitive) Yes (Capacitive)
Screen Size 6.7 inches 6.4 inches
Screen Resolution 1080x2400 pixels (~ 393 pixels per inch) 1080x2340 pixels (~ 403 pixels per inch)
Tall Aspect Ratio / Minimal Bezels Yes Yes
Scratch Resistant Display Yes Yes, Corning Gorilla Glass 3
Display Type AMOLED AMOLED
Screen Refresh Rate 60 HzStandard 60 HzStandard
Display Features Super AMOLED Super AMOLED
Full Physical QWERTY Keypad
Processor 2 GHz 2.3 GHz
Processor Type Octa Core Octa Core
Processor Name Qualcomm Snapdragon 675Ranked #28 in Mobile Processor Benchmarks Samsung Exynos 9611Ranked #37 in Mobile Processor Benchmarks
GPU Adreno 612 Mali-G72 MP3
RAM 8 GB 6 GB
3G Yes Yes
4G Yes Yes
5G
VoLTE Yes Yes
WiFi Yes Yes
VoWiFi/WiFi-Calling Yes Yes
GPS Yes Yes
Bluetooth Yes Yes
Connecting Port USB-C USB-C
Primary Camera 64MP + 8MP + 5MP 64MP + 8MP + 5MP + 5MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (4K) Yes (4K)
Other Camera Features 64MP: 1/1.72" Sensor Size; Samsung GW1 Sensor; 0.8um Pixel Size; F/1.8 Aperture, 8MP: 123° Ultra-wide Angle Lens; F/2.2 Aperture; 12mm Focal Length, 5MP: F/2.2 Aperture, Panorama, Live Focus, Bokeh, HDR, Pro mode, Slow Motion Video, AR Emojis 64MP: f/1.8 aperture; 26mm Focal Length; 1/1.72" Sensor Size; 0.8um Pixel Size; PDAF, 8MP: f/2.2 aperture; 12mm Focal Length; Ultra-wide; 1/4.0" Sensor Size; 1.12um Pixel Size, 5MP: f/2.2 aperture; 25mm Focal Length; Macro Lens; 1/5.0" Sensor Size; 1.12um Pixel Size, 5MP: f/2.2 aperture; Depth Sensor, Panorama, HDR, Video: [email protected]; [email protected]; EIS
Secondary Camera 32MP 32MP
Secondary Camera Features F/2.0 Aperture, HDR f/2.0 aperture, 26mm Focal Length, 1/2.8" Sensor Size, 0.8um Pixel Size, HDR
Internal Memory 128 GB 128 GB
Expandable Memory Slot Yes, up to 512 GB Yes, up to 512 GB
Contacts Storage Unlimited Unlimited
SMS Storage Unlimited Unlimited
Music Player Yes Yes
FM Radio Yes Yes (Wireless)
Dual SIM GSM+GSM GSM+GSM
Thickness 7.9 mmMedium 8.9 mmMedium
Weight 187 gmMedium 191 gmHeavy
Width 76.7 mmInconvenient for one-handed use 75.1 mmOk for one-handed use
Audio Output 3.5mm jack 3.5mm jack
Water Resistant
Battery Capacity 4500 mAh 6000 mAh
Battery Standby N/A N/A
Battery Standby (3G) N/A N/A
Battery Talktime N/A N/A
Battery Talktime (3G) N/A N/A
Fast Charging Support Yes, 25W Fast Charging Yes, 15W Fast Charging
Included Fast Charger Yes, 25.0W Fast Charger Yes, 15.0W Fast Charger
Other Battery Parameters N/A N/A
Fingerprint sensor Yes Yes
Other Features In-display Fingerprint Sensor; ANT+ Support; Noise Filtration UFS 2.1 Storage; FM Recording; Noise Filtration
2-minute Review [Positives]
  • Gorgeous design, with a stunning prism light effect
  • The back is well rounded around the sides to make handling easier, and blends in with the curved glass on the front seamlessly
  • Has a good grip
  • The handling is also made easy by the excellent weight distribution of the phone which makes it seem a lot lighter than it is
  • Absolutely gorgeous, 6.7-inch Super AMOLED display, with a tiny water drop notch and a near bezel-less design - you get very vibrant colours and perfect inky blacks, as well as good sunlight legibility
  • Video viewing and gaming experience on the giant display is an absolute delight - as far as media consumption goes, this is simply one of the best phones out there, period
  • Running the Galaxy A70 is Samsung's new OneUI - which, as far as Android UIs go, is one of the most refined, well thought-out experiences
  • There are many useful add-ons on board - like gesture navigation, and a great 'dark' mode
  • Samsung Pay makes the cut too, making this the cheapest phone to sport the full version of the payments app, which will be especially useful if your usage usually relies largely on card payments
  • Good performance backed by the robust Snapdragon 675 SoC, 6 GB of RAM, and super fast UFS storage - everything from daily use to complex games like PUBG is fairly smooth (add that to the ridiculously wide display, and all gamers are in for a treat)
  • Decent triple-camera setup on the back with a primary 64-megapixel f/1.7 sensor, a secondary ultrawide 8-megapixel shooter and a third 5-megapixel depth sensor - images come out nice with true to life colors
  • The ultra-wide sensor provides some extra shot framing options
  • Decent video recording performance with good detail levels, including some impressive slow-mo video recording
  • Very good front camera - the 32-megapixel sensor does a great job at bringing out the detail in facial features and hair
  • The bundled in-ear earphones, when paired with Dolby Atmos, makes for a pretty good audio experience
  • The loudspeaker is decent (though not exceptional)
  • Very good battery life with a large 4500 mAh battery - it will comfortably last you a day and more, even with that large display
  • There is also fast charging on-board, with the included 25W charger getting you up to around 70% in an hour
  • If you are looking for the best media consumption device for your money, the Galaxy A70s is a good option - the large, beautiful Super AMOLED display + the big battery + Dolby Atmos support - make for an excellent combo
  • Decent looks and build quality - very similar to the Samsung Galaxy M30s, with a a unibody polycarbonate design, and glossy finish on the back panel - the only major difference is the camera module which now packs a fourth camera
  • The plastic body keeps the phone feeling relatively lightweight at 191 grams, which is mighty impressive for a phone packing a big 6000 mAh battery
  • It also feels great to hold with a seamless curved panel that meets the display up front
  • Modern, Infinity-U front - bezels around the screen are slim, except for a slightly thick chin - you still get around 90 per cent screen-to-body ratio, which is great
  • Fingerprint sensor at the back is easy to reach
  • Gorgeous, 6.4-inch FHD+ Super AMOLED display with excellent viewing angles, and brightness levels - easily one of the best displays in the price bracket
  • It also comes with "Widevine L1" certification, which helps stream content in crisp HD resolution
  • Blacks are deep on the AMOLED display, which looks good with Night mode enabled
  • Samsung's OneUI is today one of the more clean, refined Android UIs that's especially well optimised for large displays like this
  • One UI also brings in other useful stuff, like a System-wide Dark mode (which turns the background completely black, and looks great on the M30s' AMOLED display), and Always On Display option
  • Decent performance with the Exynos 9611 at the core (similar to Snapdragon 665) - the device is fairly quick to load up apps - multitasking is a breeze
  • Good quad rear camera setup - 64MP main sensor + 8MP wide-angle lens + 5MP depth sensor
  • Shots taken with the primary camera during daylight are quite satisfactory, images are detailed, especially the 64MP shots, and they showcase good dynamic range
  • The ultra-wide sensor, like on any budget phone, is a good addition - it takes social media-worthy images in great lighting conditions (in low-light, the quality dips and pictures look grainy and noisy, wide-angle shots also have barrel distortion at the edges)
  • Photos taken in low-light looks good - switching to Night mode helps reduce grain in the output and further improves image quality
  • Live Focus shots are quite impeccable and the camera app does give you the option to set the level of blur before taking a shot - edge detection is very good and the Galaxy M31 does a good job of separating the subject from the background
  • The macro camera takes decent shots outdoors (though, the quality dips when indoors and the output is restricted to 5MP in resolution)
  • The 32MP selfie camera is quite good and takes detailed selfies (though, in low light, the quality goes down a notch and results are grainy)
  • Overall, the cameras on the M30s are good for the price bracket, even though they are not the best (that title crowned to the POCO X2)
  • Monster 6000mAh battery delivers an incredible 2-3 days of usage easily, making for one of the largest battery life smartphones currently available
  • Supports 15W fast charging
  • Samsung has seen success with the Galaxy M30s, so it didn't want to fix what isn't broken, they upgraded the RAM, put in a fourth rear camera, and preloaded Android 10 - if you don't care for benchmark scores and just want a device that covers the basics and has great AMOLED display, has great battery backup and has a versatile set of cameras, the Galaxy M31 will do just fine
2-minute Review [Negatives]
  • This is a large phone though (one of the largest mainstream phones currently available), so one-handed use is pretty much out of the question - people with small hands would also want to look at other options
  • The glossy back is of course a smudge magnet, and will also pick up scratches easily
  • Having said that, there are certainly even better performing competitors around
  • Details and dynamic range on the rear camera setup could also be a bit better
  • Overall, for the price bracket, the camera package on the Galaxy A70 is decent, but not the best - you will find better camera phones in the competition
  • On the other hand, the competition is pretty tough - in the Xiaomi and Realme phones in this price bracket, you will find better performance, arguably better cameras, and more manageable sizes
  • The power button and volumes are quite flush with the frame which means they lack that tactile, clicky feel
  • Design feels a bit dated and underwhelming, there is no spark in Galaxy M31's design as we see in other brand's phones like Xiaomi and Realme
  • However, this is an old chipset and heavy gaming isn't best on this phone - the Redmi Note 8 Pro, the POCO X2 and the Realme XT are much better options that will handle gaming better than the Galaxy M31
  • Samsung Galaxy M31 falls behind in fast charging as competitors are offering close to 30W fast charging, the 15W on M31 feels low
  • Having said that, the Redmi Note 8 Pro and the Realme X2 will still offer you more bang for your buck overall and when it comes to intensive tasks like gaming, you’ll be better off choosing the POCO X2 or the Redmi Note 8 Pro that are probably the best phones for gaming in this segment
Expert Reviews
  1. Recommended
    financialexpress.com in-depth Read Review »
  2. timesnownews.com hands-on Read Review »
  1. If you don't care for benchmark scores and just want a device that covers the basics and has a great battery, the Galaxy M31 will do just fine... though, not the best bang for the buck
    gadgets.ndtv.com in-depth Read Review »
  2. Improved cameras, more RAM and the battery is just as reliable as before
    bgr.in in-depth Read Review »
  3. The combination of simple looks, lightweight design, capable quad cameras and perhaps above all the insanely long battery life makes the Galaxy 31 worth the money
    indianexpress.com in-depth Read Review »
  4. If you are looking for a smartphone that gives you long-lasting battery life, then Galaxy M31 is meant for you... not for power users though
    themobileindian.com in-depth Read Review »
  5. Unbelievably compact for a smartphone that packs a massive 6000 mAh battery
    zeebiz.com in-depth Read Review »
  6. Massive 6000mAh battery, upgraded camera
    thenewsminute.com in-depth Read Review »
  7. Perfect fit for the folks who aren't into gaming
    firstpost.com in-depth Read Review »
  8. You can go for Galaxy M31 if you want a reliable battery, an immersive display and camera-centric features packed in a handset... but it's no powerhouse
    timesnownews.com in-depth Read Review »
  9. Despite being good enough for now, the Galaxy M31 just doesn’t enthuse the kind of confidence that would see it being considered in the same breath as more powerful devices from Redmi and Realme
    indiatoday.in in-depth Read Review »
  10. The Samsung Galaxy M31 is a reliable smartphone that makes use of a great AMOLED display, has great battery backup and has a versatile set of cameras... but you’ll be better off choosing the POCO X2 or the Redmi Note 8 Pro if you like gaming
    in.mashable.com in-depth Read Review »
  11. expertreviews.co.uk in-depth Read Review »
  12. gsmarena.com hands-on Read Review »
  13. fonearena.com hands-on Read Review »
  14. ibtimes.co.in hands-on Read Review »
  15. techpp.com hands-on Read Review »
User Reviews
  1. Flipkart4.4 107+ reviews »
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Official Website Official Website » Official Website »
Unofficial specs? N/A N/A
Individual Review 2
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