According to GFXBench, Lenovo's upcoming huge tablet, model number PB2-690N, will be featuring 18.4-inch Quad-HD (2560 x 1440) display, Snapdragon 652 Octa-core processor clocked at 1.8GHz, Adreno 510 GPU, 4GB RAM, 64GB internal storage, 0.3 MP shooter and 8MP front-facing camera, Wi-Fi support, and runs Android 6.0.1 Marshmallow.
Unfortunately, there is no word yet on when Lenovo will be unveiling this humongous tablet.
GFXBench