Our Opinion

The Oppo Reno 3 Pro 128GB is a significantly better phone, but the Samsung Galaxy M31 (8GB RAM, 128GB) is slightly better value for money. Which phone should you buy? Depends on how much you want to spend! But if budget is not a constraint, we recommend the Oppo Reno 3 Pro 128GB.

Oppo Reno 3 Pro 128GB  Samsung Galaxy M31 (8GB RAM, 128GB) 
Oppo Reno 3 Pro Samsung Galaxy M31
Buy Now Buy Buy
Excellence Score
54.9
42.8
Value for Money Score
66.1
69.7
Price ₹ 24,800 onwards ₹ 18,499 onwards
Launch Date (India) Mar, 2020 May, 2020
Expected Launch Date N/A N/A
Smartphone OS Android 10, Upgradeable to Android 11Expected update to next Android version Android 10Expected update to next Android version
Touchscreen Yes (Capacitive) Yes (Capacitive)
Screen Size 6.4 inches 6.4 inches
Screen Resolution 1080x2400 pixels (~ 411 pixels per inch) 1080x2340 pixels (~ 403 pixels per inch)
Tall Aspect Ratio / Minimal Bezels Yes Yes
Scratch Resistant Display Yes, Corning Gorilla Glass 5 Yes, Corning Gorilla Glass 3
Display Type AMOLED AMOLED
Screen Refresh Rate 60 HzStandard 60 HzStandard
Display Features DCI-P3, Punch-hole Camera Super AMOLED
Full Physical QWERTY Keypad
Processor 2.2 GHz 2.3 GHz
Processor Type Octa Core Octa Core
Processor Name MediaTek Helio P95Ranked #25 in Mobile Processor Benchmarks Samsung Exynos 9611Ranked #38 in Mobile Processor Benchmarks
GPU PowerVR GM 9446 Mali-G72 MP3
RAM 8 GB 8 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 + 13MP + 8MP + 2MP 64MP + 8MP + 5MP + 5MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (4K) Yes (4K)
Other Camera Features 64MP: f/1.8 aperture; 26mm Focal Length; 1/2.0" Sensor Size; 0.8um Pixel Size; PDAF; OIS, 13MP: f/2.4 aperture; 53mm Focal Length, Telephoto; 1/3.4" Sensor Size; 1.0um Pixel Size; PDAF; 2x Optical Zoom, 8MP: f/2.2 aperture; 13mm Focal Length; Ultra-wide; 1/3.2" Sensor Size; 1.4um Pixel Size, 2MP: B/W Camera; f/2.4 aperture; 1/5" Sensor Size; 1.75um Pixel Size, HDR, Panorama, Video: [email protected]; [email protected]/60/120/240fps, EIS, OIS 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 44MP + 2MP 32MP
Secondary Camera Features f/2.4 aperture, 26mm Focal Length, 1/2.8" Sensor Size, 0.8um Pixel Size, 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 256 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 8.1 mmMedium 8.9 mmMedium
Weight 175 gmMedium 191 gmHeavy
Width 73.4 mmOk for one-handed use 75.1 mmOk for one-handed use
Audio Output 3.5mm jack 3.5mm jack
Water Resistant
Battery Capacity 4025 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, 30W VOOC Flash Charge 4.0 (50% in 20min) Yes, 15W Fast Charging
Included Fast Charger Yes, 30.0W Fast Charger Yes, 15.0W Fast Charger
Other Battery Parameters N/A N/A
Fingerprint sensor Yes Yes
Other Features In-display Fingerprint Sensor; Stereo Speakers; Noise Filtration UFS 2.1 Storage; FM Recording; Noise Filtration
2-minute Review [Positives]
  • Looks sleek with a reflective back design
  • Front looks sharp and modern with the dual punch-hole cameras
  • Oppo Reno 3 Pro is a relatively lightweight device that’s easy to handle
  • The in-display fingerprint sensor works swiftly
  • Large, Vibrant 6.4-inch Super AMOLED display - the screen gives a satisfactory viewing experience with sharp colours and excellent viewing angles
  • The brightness levels are more than enough for any situation indoors while being enough for direct under-the-sun use
  • Reno 3 Pro also comes with Widevine L1 support allowing high definition playback on Netflix, and Prime Video
  • The company has revamped the user interface to offer a more simplified experience with the ColorOS 7 - it now offers new themes, wallpapers, icon styles - all these improvements make a considerable difference and make ColorOS 7 stand apart from any version in the past
  • Good overall performance powered by the new MediaTek P95 - everyday usage is an absolute breeze and can run heavy games like COD or PUBG on "medium" graphics with ease
  • Very good quad camera setup for the price - a 64MP standard camera, a 13MP telephoto, an 8MP ultra wide-angle, and a 2MP depth
  • In ideal lighting conditions, the primary sensor manages to capture good images, the white balance, colour reproduction, and sharpness are on point
  • The ultra-wide lens helps fit in a lot more into the frame and the quality is also decent (though, the level of detail is considerably lower compared to the primary camera)
  • The telephoto lens also does a good job and the quality remains similar to that of the ultra-wide
  • In low-light, the phone takes decent photos and there's dedicated Night Mode which brighten up the images
  • Portrait mode is decent and the edge detection is decent, you do get good dynamic range, nice contrast, natural-looking skin and a good amount of detail
  • The 44MP selfie camera takes very good shots with natural skin tone and punchy colours - there's also a selfie Night mode that appears to be more than adequate
  • Good battery life with the 4025 mAh battery unit - will easily last through a day of moderate to heavy usage
  • Excellent fast charging with the 30W included fast charger - it can fill the smartphone from 0 to 100 percent in around 50 minutes
  • The Oppo Reno 3 Pro has all its bases covered as a great phone should - it's got a vibrant and bright OLED, a generous 4025 mAh battery, and the overall camera experience is impressive, it's a considerable option (though, the choice for chipset is the phone's weak spot)
  • 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, a 8MP wide-angle lens, a 5MP depth sensor and a 5MP macro camera
  • 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]
  • Oppo has used a polycarbonate back and body which takes away from the "premium" feel of the phone
  • The device does come with the usual bloatware
  • While the Reno 3 Pro performs well, it's not the best at this price, there are phones with much better hardware like the Realme X2 Pro or the OnePlus 7T
  • The OPPO Reno3 Pro isn't a phone for everyone and for this price, it's certainly not a 'bang-for-buck' and as far the competition is concerned, the Realme X2 Pro is definitely a better all-rounder
  • 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. Definitely worth your consideration
    gsmarena.com in-depth Read Review »
  2. You can consider the Reno 3 Pro for its camera capabilities, but if you are looking for the maximum value for your money, the Realme X2 Pro should be your pick
    gadgets.ndtv.com in-depth Read Review »
  3. The Oppo Reno 3 Pro manages to maintain its individualistic design in the sea of similar-looking smartphones
    bgr.in in-depth Read Review »
  4. It isn't a gaming beast... but it does put those cameras to good use!
    androidauthority.com in-depth Read Review »
  5. With great camera features and quick charging speed, Oppo Reno 3 is a promising phone
    economictimes.indiatimes.com in-depth Read Review »
  6. You can get the Oppo Reno 3 Pro for its battery and performance but that’s about it
    hindustantimes.com in-depth Read Review »
  7. Oppo Reno 3 Pro checks most of the right boxes, except performance
    ibtimes.co.in in-depth Read Review »
  8. A mixed bag of looks, camera and performance
    gadgetsnow.com in-depth Read Review »
  9. Great battery life, super fast charging... but that's it
    tech.hindustantimes.com in-depth Read Review »
  10. A beautiful yet imperfect phone
    indiatoday.in in-depth Read Review »
  11. The Oppo Reno 3 Pro is a phone for those who love taking photos, videos and love consuming media
    in.mashable.com in-depth Read Review »
  12. Decent everyday smartphone but a tad too expensive
    business-standard.com in-depth Read Review »
  13. fonearena.com in-depth Read Review »
  14. thenewsminute.com in-depth Read Review »
  15. themobileindian.com hands-on Read Review »
  16. techpp.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 »
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Official Website Official Website » Official Website »
Unofficial specs? N/A N/A
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