Our Opinion

The Xiaomi Redmi K20 (64GB) is a significantly better phone than the Samsung Galaxy A50s (6GB RAM), and is also significantly better value for money. What should you buy? Go for the Xiaomi Redmi K20 (64GB)!

Samsung Galaxy A50s (6GB RAM)  Xiaomi Redmi K20 (64GB) 
Samsung Galaxy A50s Xiaomi Redmi K20
Buy Now Buy Buy
Excellence Score
45.3
57.6
Value for Money Score
71.3
84.2
Price ₹ 18,299 onwards ₹ 18,899 onwards
Launch Date (India) Sep, 2019 Jul, 2019
Expected Launch Date N/A N/A
Smartphone OS Android 9.0 Pie, Upgradeable to Android 10Expected update to next Android version Android 9.0 Pie, Upgradeable to Android 10Expected update to next Android version
Touchscreen Yes (Capacitive) Yes (Capacitive)
Screen Size 6.4 inches 6.39 inches
Screen Resolution 1080x2340 pixels (~ 403 pixels per inch) 1080x2340 pixels (~ 403 pixels per inch)
Tall Aspect Ratio / Minimal Bezels Yes Yes
Scratch Resistant Display Yes Yes, Corning Gorilla Glass 5
Display Type AMOLED AMOLED
Display Features Super AMOLED HDR, Always-On Display
Full Physical QWERTY Keypad
Processor 2.3 GHz 2.2 GHz
Processor Type Octa Core Octa Core
Processor Name Samsung Exynos 9611Ranked #28 in Mobile Processor Benchmarks Qualcomm Snapdragon 730Ranked #17 in Mobile Processor Benchmarks
GPU Mali-G72 MP3 Adreno 618
RAM 6 GB 6 GB
3G Yes Yes
4G Yes Yes
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 48MP + 13MP + 8MP
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: 2160p@30fps; 1080p@30fps 48MP: F/1.75 Aperture; 26mm Focal Length (wide); 1/2" Sensor Size; 1.6um Pixel Size, 13MP: F/2.4 Aperture; 12mm Focal Length (Ultrawide); 1/3" Sensor Size; 1.12um Pixel Size; 124.8° Wide-angle lens, 8MP: F/2.4 Aperture; 53mm Focal Length (telephoto); 1/4" Sensor Size; 1.12um Pixel Size; 2x Optical Zoom, PDAF, HDR, Panorama, Portrait mode, Night More, Video: 2160p@30fps; 1080p@30/60/120fps; 720p@120/240/960fps
Secondary Camera 32MP 20MP
Secondary Camera Features F/2.0 Aperture, 25mm Focal Length, HDR Motorized Pop-up Camera, F/2.2 Aperture, 0.8um Pixel Size, HDR
Internal Memory 128 GB 64 GB
Expandable Memory Slot 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 8.8 mmMedium
Weight 166 gmMedium 191 gmHeavy
Width 74.5 mmOk for one-handed use 74.3 mmOk for one-handed use
Audio Output 3.5mm jack 3.5mm jack
Water Resistant
Battery Capacity 4000 mAh 4000 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, Quick Charge 3.0 (18W)
Included Fast Charger Yes, 15W Fast Charger Yes, 18W 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 In-display fingerprint sensor; Noise Filtration; Game Turbo 2.0; Hi-Fi DAC Audio; Hi-Res Audio
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
  • Xiaomi has gone big on the design front this time - the Redmi K20 has a glass back with one of the most evocative gradient patterns you'll come across on any phone today - it's both premium to feel, and stunning to look at
  • The gradient effect that kicks in under the right lighting condition is quite mesmerising
  • The front is modern and sharp too, with a 'full screen' notch-less display (the selfie camera is a 'popup' one)
  • Decent in-screen fingerprint sensor - reasonably quick and reliable
  • Excellent 6.39" AMOLED display - high brightness, HDR10, and notch-free
  • MIUI is one of the most refined and fluid Android UIs around
  • The K20 also adds the POCO Launcher on top of MIUI - which brings the Dark Mode and App drawer to the K20
  • Excellent, butter smooth performance backed by the new, powerful Snapdragon 730 (very similar in overall performance to last year's flagship Snapdragon 845, and a step above the Snapdragon 710) - everything from daily use to games is butter smooth, as expected
  • Great all-round camera experience on all three rear snappers, photo and video
  • Decent selfies too, from the pop-up front camera
  • Overall, this is now the best camera phone in the under Rs 25k price bracket - the overall quality and versatility you get are a notch above what the competition offers
  • Has a 3.5mm jack, that a lot of flagships these days tend to skimp on
  • Loud (single) downward firing speaker
  • Great battery life, with a 4000mAh battery and a very power efficient chip - you can get up to 2 days of use, from this beast
  • Fast charging support - the supplied 18W charger fills 45% of a depleted battery in 30 mins - a full charge takes about 100 mins
  • The K20 is an excellent 'close to Flagship level' device from Xiaomi that seems set to disrupt the mid-range market in India - along with the new Realme X, it offers an excellent high-end, modern experience, at a relatively low price - all ingredients of a likely blockbuster hit
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
  • Face unlock mechanism is a little clunky - you have to first wake the screen and swipe up for the camera module to engage (this might get sorted via a software update though)
  • One issue with MIUI in recent times is the ads in the interface - those are still there (though a little less intrusive) - and while there are ways to disable them, it's a technical solution that a lot of prospective buyers will not even be aware of
  • The pop-up selfie camera mechanism is a bit on the slow side
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. A very balanced smartphone that excels in almost everything...Given the chance, we're sure it's a phone which will delight you, so it earns our recommendation
    gsmarena.com in-depth Read Review »
  2. The most heavily specced and feature-laden ‘non-flagship' phone...none of the alternatives can compete with the overall value offered by the K20
    gadgets.ndtv.com in-depth Read Review »
  3. Value-for-money phone
    fonearena.com in-depth Read Review »
  4. Impeccable...looks like another success story for Xiaomi
    bgr.in in-depth Read Review »
  5. Excellently balanced ...the best mid-range smartphone on the planet
    androidauthority.com in-depth Read Review »
  6. If you can afford it, get the Redmi K20...it shines in many areas
    indianexpress.com in-depth Read Review »
  7. One of the best smartphones under Rs 25,000
    hindustantimes.com in-depth Read Review »
  8. There are some really capable phones that you can choose from if you have a budget of around Rs 20,000....but all things considered, we would say that the Redmi K20 should sit at the top of the shortlist
    news18.com in-depth Read Review »
  9. For buyers looking for a new smartphone in the vicinity of ₹20,000, Redmi K20 has a plenty to offer with very few equals
    livemint.com in-depth Read Review »
  10. A sweet deal...offers great value at its price
    indiatoday.in in-depth Read Review »
  11. themobileindian.com in-depth 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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