1. Metal Design
For the first time, the new Galaxy phone will probably owns housing completely made of metal. So far, the models as Galaxy A7 and Galaxy Note 4 owned metal frame, but it is assumed that the new model will go a step further.
On the other hand, this is not new for HTC, which for several years has implemented this design.
2. 64-bit, octa-core processors
Regardless of the manufacturer, processor of these two models will be the most powerful on the market. Samsung will use its own Exynos 7420 processor, while HTC will use powerful Snapdragon 810th
It remains to see who will be faster!
3. The rear camera of at least 16 megapixels with optical
Galaxy S5 already owns a 16 megapixel camera, is presumably the same resolution will receive a successor, but with optical image stabilization. HTC One M9 is expected to get a 20 megapixel camera on the back and 4 megapixel UltraPixel camera on the front.
4. ahead cameras
Nowadays, quality front camera is a requirement for a good phone. Last year, One M8 comes with a 5 megapixel camera with wide-angle lens. It is expected that Samsung and HTC to re-incorporate wide-angled lenses, which are great for #selfie photos.