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OnePlus 3T Full Review, Benchmarks

The OnePlus 3T is still an amazing value device that embodies the original company spirit and the "never settle" attitude.

OnePlus 3T Review 

OnePlus 3T Specifications

  • 5.5" Optic AMOLED display of 1080p resolution; 401ppi; Corning Gorilla Glass 4; Metal back in Gunmetal or Soft Gold color
  • Snapdragon 821 SoC (2x Kryo at 2.35GHz and 2x Kryo at 1.6GHz cores); Adreno 530 GPU, clocked at 653 MHz; 6GB RAM;
  • 64/128 GB fast UFS 2.0 storage;
  • 16MP f/2.0 main camera with OIS and phase detection autofocus, single LED flash; sapphire lens; 2160p video at 30fps; 1080p at 60fps;
  • 16MP f/2.0 front-facing camera; 1080p video;
  • 4G LTE; Dual-SIM support; Wi-Fi a/b/g/n/ac; Bluetooth 4.2; NFC; GPS, GLONASS and BDS; Fingerprint reader; USB Type-C connector;
  • Oxygen OS, based on Android 6.0.1 Marshmallow;
  • 3,400mAh non-removable battery;
  • Fast battery charging: 60% in 30 min (Dash Charge)
The OnePlus 2 (Review) didn't quite have that 'wow' factor, to be honest, but the company seemed to have gotten its act together with the OnePlus 3 . We loved the phone when we reviewed it and has been our go-to recommendation when anyone asks what’s good under Rs. 30,000, till now. It was surprising that OnePlus decided to do a mid-cycle refresh of OnePlus 3, which is just five months old. While this was met with cheer from those who were still on the fence, it came as a low blow to all those who had already bought the now-outdated model.

The OnePlus 3T is now on sale at Amazon starting at Rs. 29,999. The differences between the OnePlus 3T and OnePlus 3 aren’t massive on paper and we felt the same the first time we got hold of one. We already know OnePlus 3T is good, but is it worth the premium over its predecessor?

Display, connectivity, battery

This is yet another department, which OnePlus approached with the "if it ain't broke, don't fix it" mentality and thankfully so. A 5.5-inch panel still seems to be right in the sweet spot for many mobile users - especially on the Asian markets.

As for the choice of 1080p resolution, at the risk of fueling the seemingly endless flame war on the matter, we still firmly believe that you don't need more pixels. Plus, there is the battery life benefit of using the lower screen resolution, and with OpenGL ES 3.1 gaming becoming even more advanced in graphics, the GPU will appreciate the extra breathing room.

The AMOLED panel in question comes courtesy of Samsung and is specially made for the OnePlus, hence the Optic AMOLED moniker. Still, it looks just as gorgeous as any other Samsung Super AMOLED panel, and unless you place it next to a QHD phone, the difference between the two is hardly noticeable. Sure, the diamond pentile pixel arrangement isn't the best possible choice, but the screen more than makes up for that with its great contrast.

 specifications and features

We come to the first big improvement, and that’s the SoC. The OnePlus 3T uses Qualcomm’s newest Snapdragon 821 chip which promises roughly 10 percent better performance in areas like processing power, power consumption, and user experience. There’s 6GB of LPDDR4 RAM and a whopping 128GB of internal storage. The OnePlus 3T model we’re reviewing is the higher priced variant (Rs. 34,999) but you can also get the 3T with 64GB of storage at Rs. 29,999. The smartphone also has improved read and write speeds (at least the 128GB model does) compared to the older model. According to AndroBench results, sequential reads and writes see a 15-20 percent bump but random writes are nearly four times as fast.

Other OnePlus 3T specifications include Wi-Fi 802.11ac, Bluetooth 4.2, USB OTG, NFC, and GPS. FM radio is absent. The phone supports 4G on Indian bands along with VoLTE. The OnePlus 3T runs OxygenOS (3.5.3), which is based on Android Marshmallow 6.0.1. These OnePlus 3T features are pretty similar to what we’ve seen before in the OnePlus 3, just rearranged and redesigned a bit. Swiping right from the home screen lets you access ‘Shelf’, a customisable screen which lets you stack widgets for quick access. Swiping down or up anywhere on the homescreen lets you access the notification shade and Google search, respectively.


As already mentioned, OnePlus focused its efforts on upgrading the internals of the handset. Some aspects of this hardware refresh are a little bit more visible than others, like the new 128GB storage option or the higher megapixel front camera. The new Snapdragon 821 chipset is a little bit harder to distinguish from its Snapdragon 820 sibling at first glance. However, it does constitute a notable upgrade all around.

OnePlus 3T's front camera is the second biggest change compared to the OnePlus 3. It now features a 16-megapixel sensor from Samsung, with an f/2.0 aperture and fixed focus. Pictures are incredibly detailed in good lighting and look good under low light too. There’s a bit of visible noise but no colour noise, so pictures are still very usable. Smile capture works well and automatically starts counting down as soon as it detects your smile.

The 16-megapixel rear camera of OnePlus 3T supports PDAF, has an f/2.0 aperture and can capture RAW images. There’s also Optical Image Stabilisation, just like the on the older model. Landscapes and macros are highly detailed with good colour reproduction. There are some visible artifacts from JPEG compression but this is only noticeable when you zoom in all the way. The Auto HDR mode works well and you even have a HQ mode, which combines a few shots of the same frame to reduce noise, which works decently well.


OnePlus has really come a long way since 2014. Only a few years ago, the manufacturer was busy riling up people, shouting bold claims like "the flagship killer" and desperately trying to rise from obscurity through any guerilla marketing stunt available. And somehow, it all eventually clicked, and today, the company's smartphones are eagerly anticipated and widely discussed.

The kid is all grown up now and although the "never settle" mentality is still alive and well, the business is now way past handing out invitations and carefully micro-managing production and shipping iterations. The up-sizing is a fact and with it the new market realities. But with everything said and done, we aren't at all willing to write off the OnePlus 3T as nothing more than a needless rehash to pave the way for the infamous price hike.