HP has upgraded its ZBook line of mobile workstations – ie laptops for the most demanding users (like us creative-types) with pro-grade components including Nvidia Quadro and AMD Radeon Pro graphics chips, the option of Xeon processors and generally better styling and reliability than consumer models.

The 'fourth-generation' ZBook G4 line have the same cases as their predecessors, but gain more powerful chips that require less power than those in their G3 predecessors – so you'll get longer battery life too. There's the option of Intel's 7th-generation Core i7 processor – known by their codename of Kaby Lake – and new graphics chip options from both Nvidia and HP.

The ZBook Studio G4 is HP's rival for the Apple MacBook Pro or Dell's Precision 5520, combining high performance with an elegant design and a top-notch screen. Read: Apple MacBook Pro with Touch Bar review, Dell upgrades the best laptop for designers and artists.

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