Both smartphones feature a new and, according to Samsung, an improved design, more performance with new chipsets as well as a bigger batteries.
The Galaxy S7 is a 5.1-inch smartphone with a 2560x1440 Super AMOLED panel, which adds up to 577 ppi of pixel density. The precise dimensions are set at 142.4x69.67x7.9mm with 152g of weight. The design is quite similar to the Galaxy S6 but it is a whole lot curvier. with a 2.5D effect on the front.
The Galaxy S7 Edge on the other hand comes with a larger 5.5-icnh screen with same specifications, which adds up to 534 ppi of pixel density. It has 150.9x72.6x7.7mm dimensions, which makes it even slimmed than Galaxy S7 due to its "edge screen", and weighs 157g.
Both new flagship smartphones from Samsung will be available with either Qualcomm's new Snapdragon 820 SoC or Samsung's own Exynos 8890 SoC. Both will be paired up with 4GB of LPDDR4 RAM and will be available in 32GB and 64GB storage options, expandable via microSD card slot. Samsung has also announced support for Vulkan API, which should bring a much needed boost to the graphics department.
Both come with Samsung's new smartphone camera, which although relies "only" on 12-megapixel, which should not be a problem since the pixels are now larger, thanks to the Dual Pixel technology and it has the widest aperture ever seen on the smartphone, f/1.7. All of this, should provide much better low-light pictures as well as much faster auto-focus speed.
There are also a couple of other updates as both smartphones will now have IP68 rating, which means that they are waterproof, while the rest of the features include 802.11ac dual-band WiFi, Bluetooth v.4.2, ANT+, NFC, but sticks with USB 2.0. It also comes with the new Wireless Fast Charging (WPC and PMA standards).
When it comes to battery, both are well equipped as the Galaxy S7 will feature a 3,000mAh battery while the larger Galaxy S7 Edge features a 3,600mAh battery.
Both smartphones will be running on Android 6.0 Marshmallow based OS with a dash of TouchWiz and the Galaxy S7 Edge will have improved Edge Apps platform, providing much more options.
Both the Galaxy S7 and the Galaxy S7 Edge should be available worldwide on March 11th. Unfortunately, the price is still unknown.