If an ordinary laptop won't cut it performance-wise you need to step up to a mobile workstation, and HP has several contenders in its ZBook range: late last year we looked at the ZBook 14u G4 and found that while it was robust, performance was disappointing. Next up is another 14-inch system, which HP claims is the "World's Most Powerful and First Detachable PC Workstation". Let's see how it shapes up.
HP ZBook x2 G4 Detachable Workstation review at ZDNet