Asus Transformer Book T100 - December The Asus Transformer Book T100 is a fairly low-cost 10-inch Windows 8 tablet that can also function as a laptop thanks to its keyboard segment. It has a practical laptop-style hinge. With the keyboard module attached, the T100 could easily pass for a small laptop. Practicality-wise, the design is spot on for an affordable hybrid. The keyboard module and tablet are around 550g each, and between 11-12mm thick. At around 1.2kg, the Asus Transformer Book T100 only weighs as much as a light Ultrabook. One of the triumphs of the Asus Transformer Book T100 is that it runs full Windows 8.1 rather than the cut-down RT version. The T100 uses a 1.3GHz quad-core Intel Atom Z3740 CPU, which is from the new Bay Trail generation of processors. It's much, much faster than the equivalent Clover Trail chip of last year.