Our Opinion

The OnePlus 6 (6GB RAM, 64GB) is a slightly better phone, but the Samsung Galaxy A8 Star is slightly better value for money. Which phone should you buy? It’s a close call, but if your budget allows for it, then OnePlus 6 (6GB RAM, 64GB) might be a slightly better choice.

OnePlus 6 (6GB RAM, 64GB)  Samsung Galaxy A8 Star 
OnePlus 6 Samsung Galaxy A8 Star
Buy Now  not available currently Buy
Excellence Score
75.1
71.9
Value for Money Score
70.0
72.3
Price ₹ 34,999 onwards ₹ 29,990 onwards
Launch Date (India) May, 2018 Aug, 2018
Expected Launch Date N/A N/A
Smartphone OS Android 8.1 Oreo, Upgradeable to 9.0 PieExpected update to next Android version Android 8.0 OreoLow likelihood of getting updated to next Android version
Touchscreen Yes (Capacitive) Yes (Capacitive)
Screen Size 6.28 inches 6.28 inches
Screen Resolution 1080x2280 pixels (~ 402 pixels per inch) 1080x2220 pixels (~ 393 pixels per inch)
Tall Aspect Ratio / Minimal Bezels Yes Yes
Scratch Resistant Display Yes, Corning Gorilla Glass 5 Yes
Display Features Optic AMOLED, 2.5D Curved Glass, Reading Mode, Night Mode, Lift Up Display Super AMOLED, Infinity Display
Full Physical QWERTY Keypad
Processor 2.8 GHz 2.2 GHz
Processor Type Octa Core Octa Core
Processor Name Qualcomm Snapdragon 845Ranked #5 in Mobile Processor Benchmarks Qualcomm Snapdragon 660Ranked #15 in Mobile Processor Benchmarks
GPU Adreno 630 Adreno 512
RAM 6 GB 6 GB
3G Yes Yes
4G Yes Yes
VoLTE Yes Yes
WiFi Yes Yes
GPS Yes Yes
Bluetooth Yes Yes
Connecting Port USB-C USB-C
Primary Camera 16MP + 20MP 16MP + 24MP
Camera Auto-Focus Yes Yes
Camera Flash Yes Yes
HD Video Recording Yes (4K) Yes (4K)
Other Camera Features 16MP: F/1.7 Aperture; Sony IMX 519 Sensor; 1.22 µm Pixel Size; 1/2.6" Sensor Size; Optical Image Stabilisation (OIS); Electronic Image Stabilisation (EIS), 20MP: F/1.7 Aperture; Sony IMX 376K Sensor; 1.0µm Pixel Size; 1/2.8" Sensor Size; Phase Detection Autofocus (PDAF), Super Slow Motion (1080p @ 240fps; 720p @ 480fps), Time-Lapse, Portrait Mode, Pro Mode, Panorama, HDR, HQ, Dynamic Denoise, Clear Image, RAW Image 16MP: F/1.7 Aperture, 24MP: F/1.7 Aperture, PDAF, Panorama, HDR
Secondary Camera 16.0MP 24.0MP
Secondary Camera Features Screen Flash, F/2.0 Aperture, Sony IMX371 Sensor, 1.0µm Pixel Size, Electronic Image Stabilisation (EIS), Full HD Video Rec., Time-Lapse, Portrait Mode, HDR, Smile Capture, Face Beauty F/2.0 Aperture
Internal Memory 64 GB 64 GB
Expandable Memory Slot up to 256 GB
Contacts Storage Unlimited Unlimited
SMS Storage Unlimited Unlimited
Music Player Yes Yes
FM Radio Yes
Dual SIM GSM+GSM GSM+GSM (Hybrid SIM slot)
Thickness 7.75 mm 7.55 mm
Weight 177 gm 188 gm
Audio Output 3.5mm jack 3.5mm jack
Water Resistant Yes
Battery Capacity 3300 mAh 3700 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 Yes, Dash Charge Yes
Other Battery Parameters N/A N/A
Fingerprint sensor Yes Yes
Other Features Gestures and on-screen navigation support; Alert Slider; DLNA; NFC; MIMO; Noise Filtration; Dirac HD Sound; Dirac Power Sound Samsung Pay; Bixby; NFC; ANT+ support; FM Recording; Noise Filtration; Dolby Atmos
2-minute Review [Positives]
  • The best looking OnePlus phone to date - has a polished refined design, with a glass rear panel, and three distinct (and beautiful) color options (plus the Marvel Avengers edition)
  • Excellent build quality
  • The phone is comfortable to hold, thanks to the curved glass rear
  • Face unlock works great in most conditions, and unlocks the phone in a fraction of a second (except in low light or under very bright sunlight)
  • There is also of course the fingerprint sensor at the back, if you wish to use that instead, and it works great too
  • OnePlus's excellent alert slider is there too (it has now moved to the right side of the phone) - and is now more simplified toggling between 3 simple states - ring, vibrate and silent, with a pop-up that tells you instantly which mode you are switching to every time
  • Excellent display - catches on to the modern 'notch' trend, with a tall screen ratio - the AMOLED screen is vivid, with punchy colours and great viewing angles - videos looks great, and you can also set your own custom colour temperature if you prefer
  • OxygenOS continues to be a huge differentiator for OnePlus - it strikes a great balance between keeping the base UI identical to stock Android but still adding a number of useful additions - like shortcuts, a dark theme, a scrolling screenshot capture tool, and controls for giving the on-screen buttons additional functions, night and reading modes, a choice of system fonts, and configurable colours for the notification LED - all in all, its a great software experience, that ticks the right boxes
  • Another interesting add-on is an optional gesture scheme that lets you get rid of the Android navigation buttons altogether, and gives you a full gesture based navigation scheme like the iPhone X - thus giving you even more screen space to play with - the gestures do take some time to get a hang of, but once you do, they will become second nature
  • There's also a Gaming Mode that not only suppresses non-essential notifications, but can also limit background apps' Internet usage, which can make a difference in online games - you can even route calls directly to the loudspeaker so you don't have to stop playing
  • Top-notch, breathtaking performance, backed by the latest flagship processor from Snapdragon, the Snapdragon 845 - the SoC has eight Kryo 385 cores, integrated Adreno 630 graphics, improved security and image processing subsystems, a faster LTE modem, and even hardware dedicated to AI processing - all of this means the performance is top-bracket, matching (or beating) the Galaxy S9/Plus in benchmark scores
  • Good set of dual rear cameras, significantly improved from the OnePlus 5T - especially in terms of portrait mode photos, low light performance, and video recording (including a new super-slow motion mode)
  • The rear cameras now also come with OIS
  • Decent (though not great) front camera, pretty similar to the OnePlus 5T - a software bokeh mode for the front camera is also there
  • Decent loudspeaker (pretty loud) - although it tends to get blocked when you hold the phone in landscape mode
  • Good (but not exceptional) battery life - will comfortably last the day with moderate to heavy use
  • Fast charging support, still one of the best in the business - the Dash Charger takes the phone up from zero to just over 50 percent in half an hour, and gives you a full charge in around an hour and a half
  • On the whole, the OnePlus 6 is good-looking, well crafted, extremely powerful - it is also a solid upgrade to the OnePlus 5T in almost all the departments such as display, performance, design and camera - and ultimately the OnePlus 6’s bang for buck is still about the best you can get in the smartphone world
  • Solid build quality
  • The Samsung Galaxy A8 Star sports a tall, 6.28-inch FHD+ (1080×2220 pixels) Super AMOLED Infinity display- the display is bright, the text looks sharp and sunlight legibility looks good too (viewing angles could be better though)
  • Additional options like a Blue light filter, and customisable font size and style, are good to have - you can also choose which apps you want to run in the 'full-screen' mode
  • Samsung Experience UI is one of the better Android UIs - it's not too heavy - and comes with useful software add-ons like 'Smart stay' (to keep the screen on while you are looking at it), Games Launcher, one-handed operation mode, Multi Window mode, 'Smart capture' (to capture the current screen and scrollable area), 'direct call' (to make a voice call by picking up and holding the device near your ear while viewing call, message, or contact details), 'Smart alert' (to set the device to alert you if you have missed calls or new messages when you pick up the device), 'Easy mute' (to mute incoming calls or alarms by using palm motions or facing the device’s screen downwards), 'Samsung Secure Folder' (that lets you save your personal data and information), and Bixby Assistant
  • Good, solid, snappy performance powered by Octa Core Snapdragon 660 - it never misses a beat, whatever you throw at it - having said that, it's still a notch below the Snapdragon 845 powered OnePlus 6
  • Decent dual rear camera setup - daylight shots are good and the camera captures a good amount of detail, creates really well-exposed photos with good dynamic range - the autofocus speeds are fast and accurate too - and macro shots are good as well - Dual-camera Live focus mode clearly blurs out the background - low light performance is ok too, though not exceptional
  • The 24MP front camera is decent too, and can also do software bokeh effects
  • Decent loudspeaker
  • Good call quality
  • Very good battery life - powered by a huge 3700mAh battery - in regular use, you can get approximately two days on a single charge
  • Fast charging support: it can charge from 0 to 50% in just 44 minutes and 0 to 100% takes 1 hour and 44 minutes using the bundled adaptive fast charger
2-minute Review [Negatives]
  • Will also tend to pick up smudges very quickly
  • It's not the easiest to reach all corners of the newly enlarged screen - people who prefer more compact phones might have preferred a smaller-screen option for themselves
  • While OnePlus does claim that the phone has water-resistance, it's not IP rating certified, which likely means that the protection is quite basic
  • A little slippery because of the glass
  • At 177g, the phone is a bit on the the heavier side too
  • The rear and front cameras are good, but not really up to the high benchmarks set by the likes of the iPhone X, the Galaxy S9, or the Pixel 2 - this continues to be the only one significant area, where you will be making a compromise over the best flagship smartphones, when you buy a OnePlus device (of course admittedly for a much lower price)
  • A bit on the bulky side
  • In absolute terms, the Samsung Galaxy A8 Star is a good all-round device, but it may find it difficult to compete against the reigning champions of this price range - OnePlus 6, and Asus Zenfone 5Z - that offer even better performance (with the Snapdragon 845), and better software
Expert Reviews
  1. Unbeatable value
    gsmarena.com in-depth Read Review »
  2. OnePlus 6 is a beautiful phone that feels fast and that you will simply enjoy using day in and day out. And the reasonable price? Well, that’s the icing on the cake!
    phonearena.com in-depth Read Review »
  3. The OnePlus 6 is blazing fast, shoots amazing portrait mode photos, has a polished refined design and costs much less than other flagship phones
    cnet.com in-depth Read Review »
  4. The OnePlus 6 has hit most of the sweet spots: This is a uniquely gorgeous device with intuitive features, as well as solid battery life and a great camera
    engadget.com in-depth Read Review »
  5. There’s certainly a lot to like here — attractive design, great display, reliable battery life, fast performance, and great software — and there aren’t any silly, trend-chasing things
    theverge.com in-depth Read Review »
  6. This is a phone you can show off quite proudly
    gadgets.ndtv.com in-depth Read Review »
  7. A solid upgrade to the OnePlus 5T in almost all the departments such as display, performance, design and camera
    fonearena.com in-depth Read Review »
  8. The OnePlus 6 is built for speed from the ground up
    digit.in in-depth Read Review »
  9. Here’s a flagship device that gets it right on practically every count
    bgr.in in-depth Read Review »
  10. The OnePlus 6 exceeds expectations in so many ways we can now rightfully call it a flagship killer
    mashable.com in-depth Read Review »
  11. An absolute steal...It’s the best-value phone you can buy right now
    trustedreviews.com in-depth Read Review »
  12. OnePlus’ finest is still punching above its weight
    livemint.com in-depth Read Review »
  13. wired.com in-depth Read Review »
  14. techradar.com in-depth Read Review »
  15. forbes.com in-depth Read Review »
  16. androidauthority.com in-depth Read Review »
  17. digitaltrends.com in-depth Read Review »
  18. indianexpress.com in-depth Read Review »
  19. economictimes.indiatimes.com in-depth Read Review »
  20. hindustantimes.com in-depth Read Review »
  21. alphr.com in-depth Read Review »
  22. ibtimes.co.in in-depth Read Review »
  23. news18.com in-depth Read Review »
  24. expertreviews.co.uk in-depth Read Review »
  25. tomsguide.com in-depth Read Review »
  26. androidcentral.com in-depth Read Review »
  27. thequint.com in-depth Read Review »
  28. stuff.tv in-depth Read Review »
  29. zdnet.com in-depth Read Review »
  30. slashgear.com in-depth Read Review »
  31. firstpost.com in-depth Read Review »
  32. techadvisor.co.uk in-depth Read Review »
  33. pocket-lint.com in-depth Read Review »
  34. beebom.com in-depth Read Review »
  35. arstechnica.com in-depth Read Review »
  36. t3.com in-depth Read Review »
  37. indiatoday.in in-depth Read Review »
  38. androidpolice.com in-depth Read Review »
  39. gizmodo.com in-depth Read Review »
  40. recombu.com in-depth Read Review »
  41. pcmag.com in-depth Read Review »
  42. gadgetsnow.com in-depth Read Review »
  43. thenextweb.com hands-on Read Review »
  44. wired.co.uk hands-on Read Review »
  1. Other smartphones including OnePlus 6, and Asus Zenfone 5Z seem like a better deal
    fonearena.com in-depth Read Review »
User Reviews
  1. Amazon4.5 20,581+ reviews »
  1. Flipkart4.4 6+ reviews »
  2. Amazon1.5 2+ reviews »
Official Website Official Website » Official Website »
Unofficial specs? N/A N/A
Individual Review 2
  • Individual Review 2
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