Samsung S7 edge released in February 2016 by Samsung. It runs Android v6.0 marshmallow and could be up gradable to android v7.0(Nougat). It Has a huge 5.5 inches curve edge and super amoled touch screen. It has a screen protection of gorilla glas 4, This glass is far toughed than gorilla glass 3. 534ppi pixel density which is fabulous.
Mobile is very light weight only 157g. It is inbuilt with qualcomm MSM8996 snapdragon 820 Exynos 8890 Octa chipset which is so much latest and advance. GPU is inbuilt with Adreno 530 mali-T880MP12.
It is water resistant and dust resistant mobile. It has 12mp rear camera which can take low light images. It has RAM of 4 GB. It has a huge battery of 3600mAh Li-ion Battery which can last for 1 day very easily after a heavy use.
My verdict for this mobile is It has all the required specs what we needed in any mobile but price is too high but still you can buy it.