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Samsung Galaxy S8 vs OnePlus 3T


Call Quality

Samsung Galaxy S8 vs OnePlus 3T
We had no issues with call quality on either phone. Both the S8 and the Pixel do a great job in terms of call quality with clean and crisp sound that is loud enough on both. If you want the best quality, we advise you to have the volume a couple of stops below the maximum level on both, as you do get some distortion at peak levels.

Both phones also support voice over LTE (or VoLTE). Carriers that support this feature will be able to deliver much cleaner and more pleasing audio via the earpiece.

Battery life

Both are solid battery performers that will easily last you a day, but the Galaxy S8 is the one that goes a bit more on top of that.

Samsung Galaxy S8 vs OnePlus 3T

The Galaxy S8 features a 3,000 mAh battery, while the OnePlus runs on a 3,400 mAh cell, but the Galaxy has also got a more power-efficient processor and the latest AMOLED technology, so we were very curious to see which one does better in terms of battery life.

We’ve been using the OnePlus for a few months now and it gets solid battery numbers: it will last even heavier users through a full day, but it’s not quite into two day territory. Put simply, very few phones are, so that’s not necessarily a downside. At the same time, the OnePlus 3T did way below average on our test and this means that its battery does not last long when you use the phone for browsing the web.

The Galaxy S8, on the other hand, delivers very solid battery results all around, in both testing and real life use. We get a day and a half with it on average, and if you are a moderate user, you will be able to go through two days on a single charge. The Galaxy S8 wins in terms of battery life.

Then, both phones also support quick charging: the OnePlus uses its proprietary Dash Charge and is able to fully recharge its battery from 0 to 100% in just 1 hour and 25 minutes. The Galaxy S8, despite its smaller battery, actually takes 1 hour and 40 minutes to go from zero to 100% hero.

Battery Benchmarks

Battery life (hours)
Higher is better
Samsung Galaxy S8 8h 22 min (Excellent)
OnePlus 3T 5h 41 min (Average)
Charging time (minutes)
Lower is better
Samsung Galaxy S8 100
OnePlus 3T 85
View all


Samsung Galaxy S8 vs OnePlus 3T

There is one thing that draws a clear line between the Galaxy S8 and the OnePlus 3T, and it’s not the camera, the battery or the software: it’s price.

Put simply, the Galaxy S8 is the much more expensive phone! The full retail price of the S8 is set at $720 in the United States, while the 64 GB OnePlus 3T costs $440 and the 128 GB one is priced at $480. That’s nearly a 50% price premium that you pay for the S8. And the price difference is much bigger in markets outside the U.S.: in Europe, the OnePlus price starts at €440, but the S8 price there is actually €800, nearly double the cost of the OnePlus.

The biggest thing that the OnePlus lacks is the ‘wow’ factor: you pick up the Samsung Galaxy S8 and you see a futuristic display unlike anything that’s been out before. You pick up the OnePlus 3T and you see a very good phone with a very good camera, battery and performance.

The Galaxy S8 design is really something special: it is both the looks, but also the narrower screen that is so much easier to use with one hand that it feels like a 5-inch phone despite the much bigger screen.

For all else that’s worth, these two feel like phones of the same class: the OnePlus has the slightly better camera, while the Galaxy has the better battery life, both are equally fast in terms of daily use. The OnePlus is slippery and not so comfortable to hold due to its bigger size, but the Galaxy has that weirdly positioned finger scanner.

Bixby is a non-factor as it’s not completely out yet and the optional DeX dock isn't good enough to be a desktop replacement, even for lighter users.

So yes, your mind will certainly tell you to save a few bucks and get the OnePlus, but your heart will probably want the Galaxy S8. We usually go with the heart, despite the mind protesting, but it’s up to you to make this choice for yourself.

Samsung Galaxy S8+


  • Industry leading, stylish and sleek design
  • Single-hand friendly
  • Gorgeous display
  • 64 GB of storage + microSD support
  • Good camera
  • Excellent battery life
  • Water-proof

OnePlus 3T


  • Affordable for what it is
  • Fast performance
  • Extremely fast Dash charging
  • No microSD cards, but has 128 GB option
  • Great camera
  • Good battery life


  • Options

posted on 12 May 2017, 08:41 1

1. pokharkarsaga (Posts: 426; Member since: 23 Feb 2012)

Oxygen OS is the fully customizable stock android unlike touch wiz crap.

posted on 15 May 2017, 08:27

14. tokuzumi (Posts: 1211; Member since: 27 Aug 2009)

The S8 is quite customizeable. Plus, with a custom launcher, you almost never have to interact with TouchWiz.

posted on 12 May 2017, 08:42

2. jellmoo (Posts: 2117; Member since: 31 Oct 2011)

The S8 is objectively the better phone in most ways. That being said, I would take the 3t over it any day of the week.

posted on 12 May 2017, 08:50

3. diggie32 (banned) (Posts: 388; Member since: 03 Apr 2016)

Oxygen OS. Contest over, OP3 wins

posted on 12 May 2017, 09:06

4. RebelwithoutaClue (Posts: 3692; Member since: 05 Apr 2013)

Both the S8 and the Pixel do a great job in terms of call quality with clean and crisp sound..... the Pixel? ;)

posted on 12 May 2017, 09:23 3

5. jellmoo (Posts: 2117; Member since: 31 Oct 2011)

It's almost like they just copy and pasted the entire section from the S8 vs Pixel article. They wouldn't do that though.

posted on 12 May 2017, 09:53

6. Plasticsh1t (Posts: 2443; Member since: 01 Sep 2014)

"Both the S8 and the Pixel do a great job in terms of call quality with clean and crisp sound that is loud enough on both".

Lazy editing from PA. Also OP >>> Samesung.

posted on 12 May 2017, 09:56 1

7. alexvoinica (Posts: 2; Member since: 12 May 2017)

So basically in all tests, I mean all of them the S8 camera beat the OP3T and now in this versus S8 has a good camera and OP3T has a great one. That logic...

posted on 12 May 2017, 10:41

8. cmdacos (Posts: 867; Member since: 01 Nov 2016)

Op3t looks like a dinosaur

posted on 15 May 2017, 10:21

15. michaelny2001 (Posts: 195; Member since: 01 Aug 2012)

perhaps, but it's also double the price. hands down Op3T is th ebetter value. i am ok with 15-20% less performance for half price.

posted on 12 May 2017, 13:19

9. Jason2k13 (Posts: 1321; Member since: 28 Mar 2013)

Most high end phones are now almost equal to each other, so the real winner is battery life in 2017.

posted on 12 May 2017, 13:26

10. darkkjedii (Posts: 25633; Member since: 05 Feb 2011)

S8 gets it.

posted on 12 May 2017, 17:49

11. Ironboned (Posts: 77; Member since: 16 Jun 2016)

Seriously who the hell on Earth compares S8 and stupid Chinese junk OP3T ? Really did you stupid phonearena guys compared these 2 phones together ? Jesus Phonearena is f**ked up

posted on 13 May 2017, 11:37

12. IT-Engineer (Posts: 158; Member since: 26 Feb 2015)

Chinese Junk? Are you living under a rock?

posted on 15 May 2017, 04:20

13. ebilcake (Posts: 974; Member since: 16 Jul 2016)

Galaxy S8 is easily the better phone, silly comparison really.

posted on 01 Jul 2017, 02:08

16. madara82 (Posts: 36; Member since: 01 Jul 2017)

Well obviously samsung galaxy s8 is much better than oneplus

posted on 14 Jul 2017, 07:39

17. madara82 (Posts: 36; Member since: 01 Jul 2017)

If the specification is awesome surley the price is awesome too.

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