Our Opinion

The OnePlus 7 (6GB RAM, 128GB) is a significantly better phone, but the Samsung Galaxy A51 (6GB RAM) 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 OnePlus 7 (6GB RAM, 128GB).

OnePlus 7 (6GB RAM, 128GB)  Samsung Galaxy A51 (6GB RAM) 
OnePlus 7 Samsung Galaxy A51
Buy Now Buy Buy
Excellence Score
55.5
38.6
Value for Money Score
59.9
63.7
Price ₹ 29,999 onwards ₹ 20,999 onwards
Launch Date (India) Jun, 2019 Jan, 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 6.41 inches 6.5 inches
Screen Resolution 1080x2340 pixels (~ 402 pixels per inch) 1080x2400 pixels (~ 405 pixels per inch)
Tall Aspect Ratio / Minimal Bezels Yes Yes
Scratch Resistant Display Yes, Corning Gorilla Glass 6 Yes, Corning Gorilla Glass 3
Display Type AMOLED AMOLED
Screen Refresh Rate 60 HzStandard 60 HzStandard
Display Features Optic AMOLED, DCI-P3, 2.5D Curved Glass, Adaptive Mode, Reading Mode, Night Mode Super AMOLED
Full Physical QWERTY Keypad
Processor 2.84 GHz 2.3 GHz
Processor Type Octa Core Octa Core
Processor Name Qualcomm Snapdragon 855Ranked #9 in Mobile Processor Benchmarks Samsung Exynos 9611Ranked #38 in Mobile Processor Benchmarks
GPU Adreno 640 Mali-G72 MP3
RAM 6 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 + 5MP 48MP + 12MP + 5MP + 5MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (4K) Yes (Full HD)
Other Camera Features 48MP: F/1.7 Aperture; Sony IMX586 Sensor; 0.8um Pixel Size @ 48MP; 1.6um Pixel Size (4 in 1) @ 12MP; OIS; EIS; PDAF, 5MP: 1.12um Pixel Size; F/2.4 Aperture, Video: 4K @ 30/60fps; 1080P @ 30/60fps; Slow Motion: 1080p @ 240fps; 720p @ 480fps, Time-Lapse, Video Editor, UltraShot, Nightscape, Studio Lighting, Portrait, Pro Mode, Panorama, HDR, AI Scene Detection, RAW Image 48MP: f/2.0 Aperture; 1/2" Sensor Size; 0.8um Pixel Size; PDAF, 12MP: f/2.2 Aperture; 13mm Focal Length (Ultra-wide), 5MP: f/2.4 Aperture; Dedicated Macro camera, 5MP: f/2.2 Aperture; Depth sensor, Panorama, HDR
Secondary Camera 16MP 32MP
Secondary Camera Features F/2.0 Aperture, Sony IMX471 Sensor, 1.0um Pixel Size, EIS, Time-Lapse, Screen Flash, HDR, Face Retouching, Portrait Mode, Studio Lighting, Smile Capture f/2.2 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
Contacts Storage Unlimited Unlimited
SMS Storage Unlimited Unlimited
Music Player Yes Yes
FM Radio Yes
Dual SIM GSM + GSM GSM+GSM
Thickness 8.2 mmMedium 7.9 mmMedium
Weight 182 gmMedium 172 gmMedium
Width 74.8 mmOk for one-handed use 73.6 mmOk for one-handed use
Audio Output USB-C 3.5mm jack
Water Resistant Yes, Splash Resistant
Battery Capacity 3700 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, 20W Fast Charging Yes, 15W Fast Charging
Included Fast Charger Yes, 20.0W Fast Charger Yes, 15.0W Fast Charger
Other Battery Parameters N/A N/A
Fingerprint sensor Yes Yes
Other Features In-display Fingerprint Sensor; UFS 3.0 Storage; Alert Slide; DLNA; NFC; MIMO; Stereo Speakers; Noise Filtration; Dolby Atmos In-display fingerprint sensor; NFC; ANT+ Support; Noise Filtration; Dolby Atmos
2-minute Review [Positives]
  • Immaculate fit and finish, and a pleasing, premium design - very similar to the OnePlus 6T
  • Pretty good ergonomics (similar to the OnePlus 6T, and better than the heavier/larger OnePlus 7 Pro)
  • The in-display fingerprint reader is very good - and even a bit faster than the already good one on the OnePlus 6T
  • Big, beautiful 'dewdrop' notch AMOLED display, again quite similar to the OnePlus 6T
  • OnePlus’ Reading mode is still there and is as useful as ever - it turns the screen to a reading-optimized monochrome, and it can be assigned to activate when you’re in certain apps
  • OxygenOS continues to be one of the most thoughtfully-designed, clean (stock-like) UIs for Android
  • 2 new features that make it to the latest version of OxygenOS are screen recording, and Zen Mode (for exercising more control over your screen time)
  • With the super fast flagship Snapdragon 855, some ultra fast storage speed (UFS3), the OnePlus 7 is a speed beast, and matches other top-end flagships
  • Good dual rear camera setup - there a primary 48MP camera and a secondary 5MP depth sensor
  • Overall image quality is good - it takes great outdoor shots, with vibrant colours and good exposure - and is a decent improvement over the OnePlus 6T (though not as good, or as versatile as the camera setup on the OnePlus 7)
  • It also has the new Nightscape mode, which lets you capture reasonably bright and sharp images even in very low light situations
  • Good 16MP front camera too
  • Excellent stereo speakers with Dolby Atmos
  • Good battery life with a 3700mAH battery - the OnePlus 7 will make it through a day of intensive use without a problem - and will give you battery life similar to the OnePlus 6T (and more than the OnePlus 7 Pro, which lasts less long because of the more battery intensive 90Hz screen)
  • OnePlus's Dash Charging continues to be one of the better fast charging technologies around - it goes from 10 to 100 percent in just 1 hour and 15 minutes - though it's a step below the Warp Charge tech on the OnePlus 7 Pro
  • Overall, OnePlus 7 retains the spot of the all-rounder, reliable, no-frills, budget flagship from OnePlus (while the OnePlus 7 Pro takes the more 'premium' flagship approach), giving you a high-end flagship experience for relatively less - and it makes for a decent update to the OnePlus 6T in the performance and camera departments
  • Stunning looks, similar rainbow-like effects at the back as the Galaxy A50s when caught against the light, and a prism-like pattern that Samsung calls a “3D prism design” - it's a head-turner no doubt
  • While it supports a polycarbonate back, it still manages to look premium
  • The front looks stylish and modern too with a single punch-hole in the upper middle of the display
  • Compact and light for the display size and battery capacity, at just 172g, and 7.9mm in thickness
  • Bright, large 6.5-inches Super AMOLED panel with a full-HD+ resolution - its punchy colours make it a joy to stream content, while games also look great on the panel because of its high colour accuracy
  • There's Widevine L1 support by default, which makes streaming content in HD possible
  • Comes with Android 10 out of the box - Samsung's One UI 2 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 some neat features including a Game Booster and an intuitive gesture-based navigation system
  • Decent performance with the same Exynos 9611 processor as the Galaxy A50s (similar to Qualcomm Snapdragon 660/665) - the experience is fairly smooth throughout with games like PUBG Mobile and Asphalt 9
  • Decent quad camera setup at the back - a 48MP primary sensor + 12MP wide-angle camera + 5MP macro camera + 5MP depth sensor
  • Under good light, the Galaxy A51's primary camera managed to capture detailed shots with good dynamic range - images are reasonably sharp, noise is also competently removed, colours are generally nice, and the phone strikes a good balance with saturation
  • The ultra wide-angle cam is a significant upgrade from the one on the A50s, and it offers improved sharpness and detail - dynamic range is also substantially better, making for an altogether pretty capable ultra-wide camera as far as mid-rangers go
  • Macro camera turns out quite good close ups - you can get a lot closer to your subject when using the macro camera and the sensor picks up a fair bit of detail
  • Very good portrait mode ("Live focus") - image quality is good and the depth camera helps the Galaxy A51 do a decent job of edge detection
  • The front 32MP camera is decent and produces nice colours, the detail is quite good as far as selfie cameras go - portrait selfie mode is decent too
  • Decent video recording from both primary and wide cameras with dedicated 'super steady' mode which allows you to shoot decent “action” videos (though stabilisation is not available at 4K)
  • Decent bottom-firing speaker - sufficient for personal listening
  • Solid, dependent battery life from the 4000 mah battery - will easily manage to get a day and a half's worth of regular use
  • Reasonable 15W fast charging - charges 67 percent in an hour (though, not as quick as others in this segment such as the Redmi K20 Pro)
  • Overall, a decent and likeable smartphone from Samsung - offers a polished experience, a slim and light body, solid battery life, a crisp display, and of course the Samsung brand (though, the performance at this price is a letdown)
2-minute Review [Negatives]
  • Still not fully waterproof (there is some water resistance but it's not IP certified)
  • Like all glossy finish phones (which is an increasing majority of phones these days), the glass back of the phone is a fingerprint magnet
  • It's not quite a match for the new budget-flagship camera champion, the Pixel 3a, however, which is ahead by a significant margin
  • No standard headphone jack - you will need to use either USB-C or wireless headphones (none of which is included in the retail package)
  • No wireless charging support
  • That said though, the budget flagship segment is much more competitive now (unlike when the 6T launched), so you will have some pretty good alternatives as well, not the least of which is the Pixel 3a/XL, which while not as beautiful looking, or as fast, will provide with a much better camera experience, a more compact design, and a headphone jack
  • The in-display fingerprint sensor as well as the facial recognition are on the slower side
  • The glossy body is prone to picking up fingerprints
  • There's still some bloatware pre-installed, including third-party apps and some of Samsung's own apps such as Samsung Shop (though most of them can be uninstalled)
  • At this price, the performance feels weak - there are cheaper phones that offer much better performance, like the Redmi K20 & the Realme X2
  • Low light photos out of the Galaxy A51 aren't great (from all cameras) - The output is soft and noisy, while the colours are relatively desaturated
  • Overall, while the Galaxy A51 offers good cameras, there are certainly better options available, such as the Redmi K20 Pro
  • However, as far the value for money goes, the Galaxy A51 is far behind from the competition - there are better options like the Redmi K20 Pro which gets you a flagship-grade processor, an HDR display, more premium materials, and even better cameras - in fact, for a bit less money, you could also get the Redmi K20, which is also very capable
Expert Reviews
  1. Great phone...but this time, faces some properly tough competition
    gsmarena.com in-depth Read Review »
  2. While the Oneplus 7 lacks the excitement of the 7 Pro, it's the sensible choice if you're shopping on a budget
    cnet.com in-depth Read Review »
  3. The OnePlus 7 is pretty great by itself...but this price point has become much more competitive recently
    theverge.com in-depth Read Review »
  4. A great flagship phone that does the basics right and then some
    techradar.com in-depth Read Review »
  5. One of very few smartphones using the Snapdragon 855 in India at the moment..If you don't care very much about camera performance, the OnePlus 7 is well worth it for its asking price
    gadgets.ndtv.com in-depth Read Review »
  6. One of the most balanced devices in the market right now, considering price to performance ratio
    fonearena.com in-depth Read Review »
  7. Practical, value for money flagship
    bgr.in in-depth Read Review »
  8. Excellent value for money proposition
    indianexpress.com in-depth Read Review »
  9. Practical choice for a flagship in 2019
    ibtimes.co.in in-depth Read Review »
  10. Perfect device for someone who demands the best performance at a sub-Rs 40,000 budget
    news18.com in-depth Read Review »
  11. Offers impressive value for money
    expertreviews.co.uk in-depth Read Review »
  12. A smart purchase...The phone to beat in the affordable flagship space
    androidcentral.com in-depth Read Review »
  13. Absolutely brilliant
    t3.com in-depth Read Review »
  14. A great high-end smartphone
    notebookcheck.net in-depth Read Review »
  15. The phone to get in this price segment
    in.mashable.com in-depth Read Review »
  16. The phone to buy in 2019
    indiatoday.in in-depth Read Review »
  17. business-standard.com in-depth Read Review »
  18. androidauthority.com hands-on Read Review »
  19. trustedreviews.com hands-on Read Review »
  20. androidpolice.com hands-on Read Review »
  21. pocket-lint.com hands-on Read Review »
  22. techadvisor.co.uk hands-on Read Review »
  23. timesnownews.com hands-on Read Review »
  1. If you absolutely must have a Samsung, this one isn't bad to spend the brand-related premium on... but there are better options available
    gsmarena.com in-depth Read Review »
  2. A nice-looking phone that offers a beautiful AMOLED display, very good battery life, and we don’t mind the plastic build at all... but the performance is underwhelming
    phonearena.com in-depth Read Review »
  3. Galaxy A51 packs a great screen, a handful of cameras, and a big battery... but it's not a consistent performer
    engadget.com in-depth Read Review »
  4. The Galaxy A51 appeals to those looking for a polished experience, a slim and light body, solid battery life, a crisp display, and of course the Samsung brand... but a more powerful processor at this price would be preferred
    gadgets.ndtv.com in-depth Read Review »
  5. The Galaxy A51 gets few things right like the great display, versatile camera setup, sleek design, and slim form factor... but it does not pack the power, considering its price point
    fonearena.com in-depth Read Review »
  6. There’s a lot to like including the Infinity-O display, stylish design as well as good cameras.
    indianexpress.com in-depth Read Review »
  7. Samsung Galaxy A51 has great design and display, decent cameras, reliable battery and Samsung's brand trust and loyalty... but performance could have been better
    ibtimes.co.in in-depth Read Review »
  8. A very respectable mid-range mobile
    stuff.tv in-depth Read Review »
  9. Offer a unique Samsung experience tailored to the next gen Indian buyer
    indiatoday.in in-depth Read Review »
  10. Buy it for daily tasks, and if you like the looks... ignore if you're looking for power
    firstpost.com in-depth Read Review »
  11. This is a phone that you could flaunt
    zeebiz.com in-depth Read Review »
  12. The Galaxy A51 is a mid-range smartphone that does a good job in all areas and takes good photos
    notebookcheck.net in-depth Read Review »
  13. If you aren't too bothered about gaming and just want a great everyday driver which is sleek and lasts through the day on a single charge, the Galaxy A51 will certainly not disappoint... but the overall performance is a bit of a letdown
    in.mashable.com in-depth Read Review »
  14. A mid-ranger with plenty of polish
    pocket-lint.com in-depth Read Review »
  15. androidauthority.com in-depth Read Review »
  16. digitaltrends.com in-depth Read Review »
  17. expertreviews.co.uk in-depth Read Review »
  18. gadgetsnow.com in-depth Read Review »
  19. techpp.com in-depth Read Review »
  20. deccanchronicle.com in-depth Read Review »
  21. techadvisor.co.uk in-depth Read Review »
  22. trustedreviews.com hands-on Read Review »
  23. themobileindian.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
Individual Review

OnePlus 7: Way Under the Radar!

Marques Brownlee

Top Pick

Individual Review

Is the Galaxy A51 worth $399?

Android Authority

Top Pick

Full Review

OnePlus 7: Way Under the Radar!

Marques Brownlee

Full Review

Is the Galaxy A51 worth $399?

Android Authority

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