The casing and the front digitizer shown in the video reveal a device that has significantly thinner side bezels than older iPad models despite having the exact same display size as earlier generations. (bgr.com)
Another tablet in the same display size is Lenovo's Miix2. (tabletroms.com)
The Samsung Galaxy Tab S and Galaxy TabPro (8.4) tablets both offer the same display size at 8.4 - inches. (pocket-lint.com)