Our Opinion

The Asus Zenfone 5Z (6GB RAM, 128GB) is a slightly better phone, but the Samsung Galaxy M30s (6GB RAM, 128GB) is much better value for money. Which phone should you buy? Depends on how much you want to spend! But from a pure value perspective, the Samsung Galaxy M30s (6GB RAM, 128GB) is ahead.

Asus Zenfone 5Z (6GB RAM, 128GB)  Samsung Galaxy M30s (6GB RAM, 128GB) 
Asus Zenfone 5Z Samsung Galaxy M30s
Buy Now  not available currently Buy
Excellence Score
52.0
49.5
Value for Money Score
54.8
85.3
Price ₹ 32,999 onwards ₹ 14,999 onwards
Launch Date (India) Jul, 2018 Sep, 2019
Expected Launch Date N/A N/A
Smartphone OS Android 8.0 Oreo, 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 6.2 inches 6.4 inches
Screen Resolution 1080x2246 pixels (~ 402 pixels per inch) 1080x2340 pixels (~ 403 pixels per inch)
Tall Aspect Ratio / Minimal Bezels Yes Yes
Scratch Resistant Display Yes, Corning Gorilla Glas 3 Yes
Display Type IPS LCD AMOLED
Display Features Super IPS+, Bluelight filter, Smart Screen On Super AMOLED
Full Physical QWERTY Keypad
Processor 2.7 GHz 2.3 GHz
Processor Type Octa Core Octa Core
Processor Name Qualcomm Snapdragon 845Ranked #13 in Mobile Processor Benchmarks Samsung Exynos 9611Ranked #28 in Mobile Processor Benchmarks
GPU Adreno 630 Mali-G72 MP3
RAM 6 GB 6 GB
3G Yes Yes
4G Yes Yes
VoLTE Yes Yes
WiFi Yes Yes
VoWiFi/WiFi-Calling Yes
GPS Yes Yes
Bluetooth Yes Yes
Connecting Port USB-C USB-C
Primary Camera 12MP + 8MP 48MP + 8MP + 5MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (4K) Yes (4K)
Other Camera Features 12MP: F/1.8 Aperture; 24mm Focal Length; 1/2.55" Sensor Size; 1.4µm Pixel Size, 8MP: F/2.0 Aperture; 12mm Focal Length; 1/4" Sensor Size; 1.12µm Pixel Size, Phase Detection Autofocus (PDAF), Electronic Image Stabilisation (EIS) 48MP: F/2.0 Aperture; Samsung GW2 Sensor, 5MP: Depth Sensor; F/2.2 Aperture, 8MP: 123° Ultra-wide Angle Lens; F/2.2 Aperture
Secondary Camera 8.0MP 16MP
Secondary Camera Features F/2.0 Aperture, 24mm Focal Length, 1/4" Sensor Size, 1.12µm Pixel Size, Electronic Image Stabilisation (EIS), Full HD Video Rec. F/2.0 Aperture, Samsung SK3P8SP Sensor
Internal Memory 128 GB 128 GB
Expandable Memory Slot Yes, up to 2 TB 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 (Hybrid SIM slot) GSM+GSM
Thickness 7.7 mmMedium 8.9 mmMedium
Weight 165 gmMedium 188 gmMedium
Width 75.7 mmOk for one-handed use 75.1 mmOk for one-handed use
Audio Output 3.5mm jack 3.5mm jack
Water Resistant
Battery Capacity 3300 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 Yes, 15W Fast Charging
Included Fast Charger Yes, 18W Fast Charger Yes, 15W Fast Charger
Other Battery Parameters N/A N/A
Fingerprint sensor Yes Yes
Other Features NFC; Stereo Speakers; Noise Filtration; DTS Headphone X; Hi-Res Audio; Google Drive: 100GB free space (1 year) UFS 2.1 Storage; Noise Filtration
2-minute Review [Positives]
  • Beautiful, elegant, glass & metal design, with a 'notch' screen - quite similar to the iPhone X - and arguably the most beautifully designed phone in this price bracket
  • The power button and the volume rocker on the right have just the right amount of tactile give, and also the mid-frame has a smooth matte finish that ups both the premium quotient as well as the in-hand feel - the ZenFone 5Z feels like an expensive phone that isn't expensive at all
  • Build quality is rock solid too - the phone has considerable heft but not unbearably so - you'll feel the phone in your hands but you won't find it taking the better of you - it's just the right proportion
  • It's very pocketable too - boasting of an impressive screen-to-body ratio of 90 per cent - the phone is almost border-less, barring a notch up-top and a chin portion at the bottom
  • The tall, modern, 19:9 display is absolutely gorgeous - it can get really bright and produces rich and vibrant colours that look pleasing to the eyes - it has great viewing angles as well - again, this is arguably the best display in this price bracket, even better than the OnePlus 6, especially in terms of colour accuracy
  • Asus's ZenUI is a huge improvement over its previous, bloated versions - it's now much lighter and smoother, and adds tons of useful AI frameworks to make the core Android experience much better - the cameras use AI for scene detection and better shots, the battery uses AI to optimize charging, the processor uses AI to boost specific apps/games, and the display uses AI to remain on when you are looking at it!
  • Asus also makes probably the best use of the 'bunny ears' on the sides of the notch of any Android phone so far - the implementation is well thought-out - the bunny ears in the case of the ZenFone 5Z are interactive - they don't bombard you with icons and notifications - instead, everything is neatly arranged and there's even a tap to view more option - tapping on either side of the notch takes you to a small sub-head that gives you an expanded view of all the incoming notifications, without having you to pull them down all the way through - it's these little details in the software that really add to the experience of using the Zenfone 5Z
  • The hardware on the Zenfone 5Z is as top-end as it gets - it is the cheapest phone in India right now with a Qualcomm Snapdragon 845 processor under the hood - in short, it will fly through anything you throw at it - and will be as fast as other flagships (OnePlus, Galaxy S9 etc)
  • Very good dual camera system at the rear - arguably the best at this price point, competing virtually head-to-head with the OnePlus 6, and and not too much behind the best of the best like the Pixel 2 - photos clicked with it in good lighting come out well, with lots of detail and colours which are mostly true to source - dynamic range is also spot-on - the ZenFone 5Z is also capable of taking some good shots in tricky and low light conditions - the phone also comes with an in-built night mode that ups the detail (even further) and leads to brighter photos at the cost of resolution (4-megapixel)
  • Thanks to the 4-axis OIS, shake is minimal (or altogether absent) in videos and the 4K clips shot with the phone also look fantastic - the phone further comes with a 3 mic system that results in fairly crisp audio recording as well
  • The secondary 8-megapixel wide-angle sensor on the rear performs its job really well too - it gives you both a pretty amazing portrait mode, and a wide-angle shot option
  • The phone's front 8MP shooter is decent too (though not exceptional like the rear camera setup) - it takes some good selfies in good light
  • The stereo speakers can get really loud, and the phone also supports High-Resolution audio via compatible wired and wireless headphones
  • Good battery life - the 3300mAh battery inside the ZenFone 5Z is similar to the OnePlus 6 - you will comfortably get a day of use
  • It even charges as fast as OnePlus' excellent Dash charger - you can top it off in some one hour fifteen minutes using the bundled 18W Qualcomm Quick Charger 3.0 charger
  • On the whole, the Asus ZenFone 5Z is the first (and only) phone in the market right now that should make OnePlus nervous, and will give some very serious competition to the excellent OnePlus 6 - it is arguably a bit better than the OnePlus 6 in a couple of areas (overall looks, speakers), and arguably a bit behind in a couple (software, water resistance), but overall, these 2 phones are pretty much neck-and-neck - which is saying something since the Zenfone 5z is significantly cheaper!
  • Decent looks and build quality - with a a unibody polycarbonate design, and glossy finish on the back panel - quite similar to the M30 - the only major visual difference is that the triple camera setup gets a wider, rectangular module to house the LED flash and "48 megapixel" branding
  • The plastic body keeps the phone feeling relatively lightweight at 188 grams, which is mighty impressive for a phone packing a big 6000mAh 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+ (2340x1080) Super AMOLED Infinity-U 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 optimized for large displays like this
  • One UI also brings in other useful stuff, like a System-wide Night mode (which turns the background completely black, and looks great on the M30s' AMOLED display), and Always On Display option
  • Good, strong performance with the Exynos 9611 at the core (similar to Snapdragon 665) - everyday performance to high-end gaming - everything is handled smoothly
  • Good rear camera setup - 48MP main sensor + 8MP wide-angle lens + 5MP depth sensor
  • With the primary lens, you get bright and attractive photos in daylight conditions with vibrant colours and good contrast - dynamic range is also wide and noise is controlled
  • Switching to the wide-angle lens will offer a new perspective, letting you click a wider area at close range to the subject (it is best used in daylight, however, as wide-angle captures look grainy and noise indoors or in low light)
  • The dedicated Night mode can be used with the main camera - it comes in handy in low-light conditions, extending the shutter time to allow more light into the frame - making for some decent low-light photos
  • Live Focus does a decent job at separating the subject from the background, and giving good bokeh shots
  • The 16MP selfie camera too does a decent job when it comes to capturing selfies outdoors under bright light (though it starts to struggle indoors and in low light, offering softer selfies with a lot of grain)
  • Overall, the cameras on the M30s are good for the price bracket, even though they are not the best (that title is shared by Xiaomi and Realme phones)
  • 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
  • With the M-series performing well for Samsung, M30s is well-set to add to that success, delivering a good all-round package with one key differentiator - an incredible battery life - if that is one of your primary concerns in a phone, then the M30s is a no-brainer (if on the other hand you want the best camera or best performance for your buck, you can look at Xiaomi or Realme phones in this price bracket)
2-minute Review [Negatives]
  • The shutter speed on the camera could have been slightly better - it's decent but not the best - it can sometimes get in the way when you're looking to take a quick shot, or clicking a moving subject
  • The power button and volumes are quite flush with the frame which means they lack that tactile, clicky feel
  • Lacks the premium finish of some of its competitors
  • Focusing is slow at times
  • Overall low light camera performance still feels lacking
Expert Reviews
  1. One of the most underappreciated phones around...an excellent all-round package
    gsmarena.com in-depth Read Review »
  2. A device you won’t regret buying
    phonearena.com in-depth Read Review »
  3. Asus has hit the ball right out of the park
    gadgets.ndtv.com in-depth Read Review »
  4. Exceptional value for money
    fonearena.com in-depth Read Review »
  5. Makes the OnePlus 6 look like an expensive flagship in comparison
    digit.in in-depth Read Review »
  6. The ‘flagship killer’ killer
    androidauthority.com in-depth Read Review »
  7. Will surely send jitters to premium market leaders
    ibtimes.co.in in-depth Read Review »
  8. A compelling alternative to the OnePlus 6
    androidcentral.com in-depth Read Review »
  9. What makes it stand out from the crowd is the AI-centric features
    themobileindian.com in-depth Read Review »
  10. beebom.com in-depth Read Review »
  11. digitaltrends.com in-depth Read Review »
  12. indianexpress.com in-depth Read Review »
  13. economictimes.indiatimes.com in-depth Read Review »
  14. hindustantimes.com in-depth Read Review »
  15. tomsguide.com in-depth Read Review »
  16. stuff.tv in-depth Read Review »
  17. firstpost.com in-depth Read Review »
  18. indiatoday.in in-depth Read Review »
  19. deccanchronicle.com in-depth Read Review »
  20. business-standard.com in-depth Read Review »
  21. techradar.com hands-on Read Review »
  22. bgr.in hands-on Read Review »
  23. alphr.com hands-on Read Review »
  24. expertreviews.co.uk hands-on Read Review »
  1. It's one of the easiest recommendations to make from Samsung's low- to mid-range portfolio
    gsmarena.com in-depth Read Review »
  2. Redmi and Realme phones are still better all-rounders than the M30s, but if your use case calls for extreme battery backups, play a lot of games or are brand conscious, the M30s might be well-suited for you
    techradar.com in-depth Read Review »
  3. If battery life ranks very high on your priority list, then you should consider the Galaxy M30s
    gadgets.ndtv.com in-depth Read Review »
  4. Overall, the Galaxy M30s is good choice at competitive price
    fonearena.com in-depth Read Review »
  5. Decent package
    bgr.in in-depth Read Review »
  6. Doesn’t do enough to be a stand-out recommendation
    androidauthority.com in-depth Read Review »
  7. A flawless device, especially considering how affordable it is
    indianexpress.com in-depth Read Review »
  8. Looks impressive...will act as a real threat to existing devices in the same price segment from the likes of Xiaomi and Realme
    economictimes.indiatimes.com in-depth Read Review »
  9. Specifically recommended for people who don't’ want to lug a power bank all the time....For them, the Galaxy M30s is definitely worth considering
    thequint.com in-depth Read Review »
  10. If you are looking for a smartphone that offers long battery life and good display, consider the M30s
    themobileindian.com in-depth Read Review »
  11. The Galaxy M30s is okay
    timesnownews.com in-depth Read Review »
  12. Samsung Galaxy M30s has fantastic battery life, good cameras and a bright AMOLED display.. while it has some issues, it is still recommended if you have a budget of around Rs 15,000
    notebookcheck.net in-depth Read Review »
  13. A good option to buy in the price range
    financialexpress.com in-depth Read Review »
  14. Checks almost all checkboxes for the perfect mid-range device
    deccanchronicle.com in-depth Read Review »
  15. The Galaxy M30s is an ideal phone if you want a device that can handle excruciating hours of streaming, gaming and camera use, apart from the usual social media use
    business-standard.com in-depth Read Review »
  16. At this price point, the Galaxy M30s is a great choice for anyone looking for a smartphone with a long-lasting battery
    indiatoday.in in-depth Read Review »
  17. If you are one of those who don't like to use a portable charger or frequently forget to charge your device, then this smartphone is no less than a gift
    zeebiz.com in-depth Read Review »
  18. techpp.com hands-on Read Review »
User Reviews
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  2. Amazon4.4 109,058+ reviews »
Official Website Official Website » Official Website »
Unofficial specs? N/A N/A
Individual Review 2
  • Individual Review 2
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