Here's one phone that didn't leak on the Asus e-shop: the Zenfone 4 Pro. Good thing GFXBench covered all its specs in detail! The base Zenfone 4 is expected to cost 500 with a Snapdragon 630 chipset, so what could a Pro model offer? A Snapdragon 835 chipset, for starters. The Adreno 540 GPU is going to fly on the 1080p resolution of the 5.5" screen. Having 6GB of RAM will help with the more demanding games and apps as well (storage, however, is unchanged from the base model - 64GB). There will be a dual camera on the back that shoots 12MP photos. An earlier leak suggested 2x optical...
Source: http://www.gsmarena.com/asus_zenfone_4_pro_specs_spotted_in_gfxbench_snapdragon_835_6gb_ram-news-26743.php