It is almost certain that Samsung is going to retain the same Galaxy S6 design in Galaxy S7. There will be very little change in Galaxy S7.
There is a new Video leak of Samsung Galaxy S7 which almost confirms that Samsung will keep the same design.
Here are some rumored spec for Galaxy S7
5.1 inches (~70.6% screen-to-body ratio)
Android OS, v6.0 (Marshmallow)
Qualcomm MSM8996 Snapdragon 820/ Exynos 8 Octa 8890
32/64/128 GB, 4 GB RAM
NO sdCard slot
There is a new Video leak of Samsung Galaxy S7 which almost confirms that Samsung will keep the same design.
Here are some rumored spec for Galaxy S7
5.1 inches (~70.6% screen-to-body ratio)
Android OS, v6.0 (Marshmallow)
Qualcomm MSM8996 Snapdragon 820/ Exynos 8 Octa 8890
32/64/128 GB, 4 GB RAM
NO sdCard slot