The competition that exist between Apple, Samsung and Google is very tight and only the user can determine which one is the best. The three mobile phone brands have launched their top mobile phone such as iPhone 7, Google's Pixel and Samsung Galaxy S7.


Platform
Samsung Galaxy S7 is running Android 6.0 Marshmallow version presently. The processor is Qualcomm Snapdragon 820 or Samsung Exynos 8890 depending on the region where the device is being sold. It differ in every location

Google Pixel Google is fetaure Quad-Core Qualcomm Snapdragon MSM8996 processor 821. The device has been authorized to update the latest version of Android, Nougat.

Apple iPhone 7 also runs on the Quad Core A10 Fusion processor. IPhone iOS 7 iOS Version is 10.0.1 which is different and can upgraded too iOS 10.1.


Display
Both Galaxy and Google S7 Pixel features Super AMOLED capacitive touch screen according to GSMArena. Corning Gorilla Glass Protection is present for the Resistance.

Nevertheless, iPhone 7 has a LED-Backlit IPS LCD touchscreen. Ion strengthened glass and oleophobic coating is provide by apple for protection.

Screen Resolution and Size
Samsung Galaxy S7 sports 5.1 inch size where as Google pixel screen is 5.0 inches. The respective resolution for them is 1440 x 2560 pixels and 1080 x 1920 pixels.

IPhone, has a 4.7-inch screen with a resolution of 750 x 1334 pixels. The pixel density of the device 326.

Memory and RAM
Galaxy S7 features an internal memory of 32 GB or 64 GB, depending on the model and 4 GB of RAM. and it also Supports a microSD card that is expandable to 256 GB.

Google Pixel on it own have internal memory of 32 or 128 GB and 4 GB of RAM while the iPhone 7 has a wide range of 32/128/256 GB of internal memory and optionally 2 GB of RAM. but the two does notsupport MicroSD card, this means the memory it is non-expandable.

Camera
The rear camera of Galaxy S7 Sport 12-megapixel camera with LED flash and a front camera is 5 MP. On the other hand, Google has 12.3 MP dual-LED pixel camera rear and 8 MP front latch.

IPhone 7 has a 12MP rear camera and a front camera 7 MP. Smartphone displays LED flash four (double tone).

Speed
According to Express, the three devices were tested in speed at loading twice a series of heavy applications and games. The Apple iPhone 7 has been tested. However, a surprise came when Google Pixel easily exceeded the Galaxy S7 and won the second place.

Battery
The Li-ion battery in the three phone is non-removable. The capacity of Samsung Galaxy S7, Google and Pixel 7 battery is 3000mAh galaxy 7, 2770 mAh Google pixel and 1960 mAh for Iphone.

http://www.josphatinfo.com/2016/12/Samsung-Galaxy-S7-vs.-Apple-iPhone-7-vs.-Google-Pixel.html