The trending comparison reports on the OnePlus 3, Apple's iPhone 6S and Sony Xperia Z5 suggested that the OnePlus smartphone is surely the best buy option for the users. OnePlus 3 has emerged as the flagship killer smartphone, which features exceptional specs.

To start with, the OnePlus 3 has some top-notch features as compared to the Xperia Z5 and iPhone 6S. It sports a 5.5-inch full HD AMOLED screen with 1080 pixels resolution, whereas, the Xperia Z5 device has a 5.5-inch screen with 2160-pixels resolution. On the other hand, the iPhone 6S features 5.5-inch screen with 1080 pixels resolution similar to OnePlus 3.

Furthermore, OnePlus 3 has a huge 6 GB RAM as compared to Xperia Z5's 3 GB RAM and iPhone 6S 2 GB RAM. OnePlus 3 smartphone sports 16-megapixels rear camera with 8-megapixels front camera. Alternatively, Xperia Z5 has 23-megapixels primary camera with a 5.1-megapixels front snapper. The Apple iPhone 6S has 12-megapixels rear camera and 5-megapixels front-facing camera.

The OnePlus device has Qualcomm Snapdragon 820 processor and 3000 mAh battery. The Sony Xperia Z5 smartphone features Qualcomm MSM8994 Snapdragon 810 processor and 3430 mAh battery. While the Apple device sports A9 chipset and 2750 mAh non-removable Li-Ion battery, which is much less as compared to the other two phones.

OnePlus 3 boasts fingerprint sensors and recognition functionality with a unique wireless charging facility, which is not present in the Sony and Apple smartphones. The OnePlus device also features the latest Android 6.0.1 Marshmallow operating system, whereas the iPhone 6s comes pre-loaded with the iOS 9 version.

Moreover, the OnePlus 3 smartphone is priced at $399, which is quite low as compared to the Sony Xperia Z5 available for $649.99 and Apple iPhone 6S priced at $749. In a way, it can be concluded that the OnePlus 3 device outshines the other two Sony and Apple phones overall, even if it lacks in some areas.