HP Zbook 15

Powerful CPU and discrete GPU ; An abundance of I/O slots and ports, including Thunderbolt ; Tool-less bottom panel and removable battery

Thick and heavy ; No touchscreen

The ZBook 15 is a powerful machine for on-the-go professionals. It's a heavy-duty machine in every sense of the word.

Mobile workstation packs quad-core Intel Core i7 processor and Nvidia Quadro graphics. Rugged construction and multi-layered security keep everything safe and secure. HP DreamColor offers superb quality and accuracy. Blu-ray drive.

Middling battery life.

Conclusion With potent performance and rock-solid construction, the HP ZBook 15 might be the mobile workstation you need in your office. While the battery life is a little lackluster, the combination of powerful processing and graphics with HP's...

Excellent workmanship and quality, Sleek design for a mobile workstation, Fast system performance even on primary HDD, Easy access to two SODIMM slots, mSATA, WWAN, WLAN, SIM and HDD, Wide range of connectivity options, Low surface temperatures under...

Direct access to CPU/GPU requires additional disassembly, Reduced CPU performance on batteries, No resolution options higher than 1080p available, Relatively high fan noise when system idle, Cannot maintain maximum Turbo Boost for extended periods,...

Good performance; Decent screen; Thunderbolt port; Expandable

Cramped keyboard; Poor battery life; Expensive

The zBook 15 excels when it comes to performance and has a great screen. But it is bulky and has poor battery life, which makes it hard to recommend it as a portable machine.