Our Opinion

The Samsung Galaxy M51 (6GB RAM) is a much better phone than the Samsung Galaxy A50s (4GB RAM), and is also significantly better value for money. What should you buy? Go for the Samsung Galaxy M51 (6GB RAM)!

Samsung Galaxy A50s (4GB RAM)  Samsung Galaxy M51 (6GB RAM) 
Samsung Galaxy A50s Samsung Galaxy M51
Buy Now Buy Buy
Excellence Score
32.9
66.1
Value for Money Score
72.4
85.9
Price ₹ 12,994 onwards ₹ 22,499 onwards
Launch Date (India) Sep, 2019 Sep, 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 6.4 inches 6.7 inches
Screen Resolution 1080x2340 pixels (~ 403 pixels per inch) 1080x2340 pixels (~ 385 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 N/A
Full Physical QWERTY Keypad
Processor 2.3 GHz 2.2 GHz
Processor Type Octa Core Octa Core
Processor Name Samsung Exynos 9611Ranked #37 in Mobile Processor Benchmarks Qualcomm Snapdragon 730GRanked #19 in Mobile Processor Benchmarks
GPU Mali-G72 MP3 Adreno 618
RAM 4 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 48MP + 8MP + 5MP 64MP + 12MP + 5MP + 5MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (4K) Yes (4K)
Other Camera Features 48MP: F/2.0 Aperture; 1/2" Sensor Size; 0.8um Pixel Size; PDAF, 8MP: F/2.2 Aperture; 13mm Focal Length; Ultrawide Lens, 5MP: F/2.2 Aperture; Depth Sensor, Panorama, HDR, Video: [email protected]; [email protected] 64MP: f/1.8 Aperture; 26mm Focal Length; 1/1.72"; 0.8um Pixel Size; PDAF, 12MP: f/2.2 Aperture; 123-degree ultra-wide lens, 5MP: f/2.4 Aperture; Macro Camera, 5MP: f/2.4 Aperture; Depth Sensor
Secondary Camera 32MP 32MP
Secondary Camera Features F/2.0 Aperture, 25mm Focal Length, 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
Dual SIM GSM+GSM GSM+GSM
Thickness 7.7 mmMedium 9.5 mmThick
Weight 166 gmMedium 213 gmHeavy
Width 74.5 mmOk for one-handed use N/A
Audio Output 3.5mm jack 3.5mm jack
Water Resistant
Battery Capacity 4000 mAh 7000 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, 15W Fast Charging Yes, 25W Fast Charging
Included Fast Charger Yes, 15.0W Fast Charger Yes, 25.0W Fast Charger
Other Battery Parameters Internet Usage Time (4G): Upto 14 hrs, Internet Usage Time (WiFi): Upto 15 hrs, Video Playback Time: Upto 20 hrs, Audio Playback Time: Upto 92 hrs, Talktime (4G): Upto 32 hrs N/A
Fingerprint sensor Yes Yes
Other Features In-display Fingerprint Sensor; NFC; ANT+; Noise Filtration UFS 2.1 Storage; NFC; FM Recording; Noise Filtration; Dolby Atmos
2-minute Review [Positives]
  • Looks slick, and reflects off the same iridescent rainbow-like effects at the back as the Samsung Galaxy A50 when caught against light, only this one, comes with a prism-like pattern that Samsung calls a “3D prism design” - it's a head-turner no doubt
  • And while the Samsung Galaxy A50s bears a polycarbonate body, it doesn’t look cheap and sports a very premium “glassy” look overall
  • On the front is a sharp, modern panel with slim-bezels, and a U-shaped notch design (similar to Galaxy A50)
  • Facial recognition to unlock your phone works well
  • Beautiful 6.4-inch Full HD+ Infinity-U Super AMOLED display with a high 91.6% screen-to-body ratio, and Corning Gorilla Glass 3 for protection
  • The screen looks sharp and bright, and being an AMOLED display, you will get deep black and vivid colors - sunlight legibility is also pretty good
  • Samsung's One UI is now one of the better, more clean and streamlined Android UIs around, and is well optimised for modern large displays (like this one)
  • Samsung has also added a Game Booster tool to the A50s to offer a better gaming experience
  • Other features include an intuitive gesture-based navigation system, and an option to wake up Bixby using the power button
  • Solid mid-range performance with the robust Samsung Exynos 9611 SoC (similar to Snapdragon 660 and Exynos 9610) - the experience is pleasant and smooth throughout including with games like PUBG Mobile and Asphalt 9
  • Good thermal management too - the phone doesn't warm up quickly despite extended game play
  • Decent set of triple rear cameras for the price bracket - a 48MP primary camera with an f/2.0 aperture
  • a second 5MP depth camera with f/2.2 aperture, and a third 8MP ultra-wide lens
  • The quality of the pictures from the primary camera is quite good during daylight and outdoors - the A50s handles high-contrast scenes well and adds the right amount of detail and vibrance
  • Night mode works reasonably ok for low-light situations and doesn’t add unnatural exposure to the scene
  • Portrait mode ("Live focus") works well too especially when capturing outdoor daylight scenes
  • Decent video recording performance with a dedicated 'super steady' mode which allows you to shoot decent “action” videos
  • Decent 32MP selfie camera - in daylight outdoor lighting, selfies clicked turn out quite clear (not so much is low-light though)
  • Overall, this is a fairly good camera setup for this price bracket (though not quite up to the level of the category leaders)
  • Very good battery life with a 4000mAh battery - you will get about 1.5 days of use
  • Sleek, classy design - the Galaxy M51 seems identical to the Galaxy A51, with a glossy polycarbonate back design - giving it a premium look
  • The front gets a new trendy look with a hole-punch display, similar to the Galaxy M31s
  • The phone feels solid in the hand - the 'glasstic back' offers better grip, and it is not as slippery as other phones with a glass back
  • The side-mounted fingerprint scanner is quick to unlock the device
  • Punchy, vivid and massive 6.7-inch FHD+ Super AMOLED display - the display is one of the best in class panels with great colour reproduction and viewing angles
  • 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 Dark mode enabled
  • Samsung's OneUI is today one of the more clean, refined Android UIs that's especially well optimized for large displays like this one
  • 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 M51's AMOLED display), and Always On Display option
  • Very good performance from the Snapdragon 730G - the chipset and Samsung’s OneUI optimization could take anything that you throw at it, switching across apps, moving across the UI, multitasking, and opening multiple Chrome tabs, social media is a breeze - heavy games like Call of Duty run smoothly without any lag
  • Samsung has fixed the only major drawback it had in other M-series phones with average performance, and this time the Galaxy M51 has no issue taking on the competition in performance
  • Good quad rear camera setup - 64MP main sensor + 12MP wide-angle lens + 5MP depth sensor + a 5MP macro camera - the Galaxy M51 carries the same camera setup as seen on the Galaxy M31s
  • Shots taken with the primary camera during daylight are quite satisfactory, images are detailed, especially the 64MP shots, and they showcase the good dynamic range
  • The ultra-wide sensor, like on any mid-range 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 single take is a nice addition from the more expensive S20 series, it lets you capture multiple formats at once
  • 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 M51s are good for the price bracket, even though they are not the best
  • Mammoth, out of this world 7000mAh battery delivers an incredible 2-3 days of heavy usage easily, making the Galaxy M51 the largest battery life smartphones currently available
  • Supports 25W fast charging - the phone takes around 2 hours to charge the battery completely, which is decent
  • The Galaxy M51 brings very good value as its big battery, powerful cameras, and expansive display all help make a solid argument in the device's favour - the phone's Snapdragon 730G SoC also ensures that M51 offers enough in terms of raw power to help it tackle most things you throw at it
2-minute Review [Negatives]
  • The fingerprint sensor that sits beneath the display, is a tad bit slow
  • The phone is a smudge-magnet, relatively easy to scratch, and also slippery (so you will want to use a case)
  • This is however not the best performing phone in this price bracket - you will get better CPUs and stronger performance from Xiaomi and Realme phones
  • The camera app is a little bit slow to launch and there is a small shutter lag when capturing photos
  • As is right now the case with most mid-range phones, the wide-angle camera’s photos look fairly distorted, and details are soft
  • Low light performance could have been better, across the board
  • Volume levels of the speaker are a bit on the low side and could have been better - it's a little difficult to hear audio outdoors in a noisy environment
  • Although the phone supports 15W fast charging, but it only includes a 10W standard (non fast) charger - it takes over 3 hours for A50s to go from 0% to 100%
  • On the whole, the A50s, while a pretty decent phone by itself, will find the competition much more intense (than what its predecessor A50 faced) - unless you are a Samsung loyalist, you will want to look at the competition especially from the likes of Realme and Xiaomi
  • The Galaxy M51 feels hefty at 9.5mm thickness and 213g weight - it is difficult to use for a longer duration for calls, streaming, or even gaming
  • The back of the Galaxy M51 is a fingerprint magnet - it can also get scratched easily since it is plastic
  • The display lags with a 60 Hz display, where competing phones like OnePlus Nord offer higher 90 Hz refresh rate
  • There's still great competition at this price and the OnePlus Nord has a lot up its sleeve with a newer processor, higher refresh rate display, and a best in class software
Expert Reviews
  1. Two steps forward, One step backward
    fonearena.com in-depth Read Review »
  2. One of the best mid-range Samsung phones yet
    bgr.in in-depth Read Review »
  3. Not a bad phone....but competition like Redmi K20, Nokia 7.2 will make it harder to stand out
    indianexpress.com in-depth Read Review »
  4. Experience with the Galaxy A50s is a mixed bag
    hindustantimes.com in-depth Read Review »
  5. A pretty attractive phone...but it becomes difficult to blindly suggest it, especially for its performance, given the competition (Realme XT, Redmi K20 Pro)
    indiatoday.in in-depth Read Review »
  6. Given its performance and pricing, and, of course, its considerable brand equity, Samsung could have another bestseller on its hands here
    techpp.com in-depth Read Review »
  7. The A50, but with a better camera
    deccanchronicle.com in-depth Read Review »
  8. Comes with its own set of hits and misses...but is still one of the better midrangers Samsung has made till date
    in.mashable.com in-depth Read Review »
  9. A good offering in the mid-range segment but faces a tough competition from rivals
    business-standard.com in-depth Read Review »
  10. gadgets.ndtv.com in-depth Read Review »
  11. gsmarena.com hands-on Read Review »
  12. techradar.com hands-on Read Review »
  13. themobileindian.com hands-on Read Review »
  1. The Samsung Galaxy M51 packs in a massive battery, Super AMOLED panel and Snapdragon chipset, although the stand out feature here is the battery, it won't disappoint you in any aspect
    techradar.com in-depth Read Review »
  2. The Galaxy M51 has grabbed a lot of attention because of its big 7,000mAh battery, and it really does deliver very good battery life
    gadgets.ndtv.com in-depth Read Review »
  3. A satisfying phone
    indianexpress.com in-depth Read Review »
  4. The massive battery on the Galaxy M51 is a sure-shot advantage and other great features include a beautiful display, modern design, reliable cameras and decent performance
    ibtimes.co.in in-depth Read Review »
  5. Its got all the battery you need
    indiatoday.in in-depth Read Review »
  6. bgr.in in-depth Read Review »
  7. themobileindian.com in-depth Read Review »
  8. techpp.com in-depth Read Review »
  9. zeebiz.com in-depth Read Review »
  10. business-standard.com in-depth Read Review »
  11. financialexpress.com hands-on Read Review »
User Reviews
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Official Website Official Website » Official Website »
Unofficial specs? N/A N/A
Individual Review 2
  • Individual Review 2
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