HP ZBook

HP ZBook is a brand of mobile workstations made by HP Inc. Introduced in September 2013, it is a successor to HP's previous mobile workstations in the HP EliteBook series. The ZBook mainly competes against PCs such as Dell's Precision and Lenovo's ThinkPad P Series.
Features.
The HP ZBook workstations feature Nvidia Quadro and AMD FirePro ISV-certified graphics cards and Thunderbolt connectivity. Display options include a touch-sensitive screen on the ZBook 14 and an HP DreamColor IPS panel on the ZBook 17. Additionally, a 3200×1800 resolution option has been announced for the ZBook 15.
Models.
First generation.
The ZBook family originally comprised the following models:
All models featured Intel Haswell dual- and quad-core processors, AMD and Nvidia professional graphics and up to 32 GB of RAM, except for the ZBook 14, which was limited to 16 GB of RAM.
The ZBook 15 and ZBook 17 use Intel Socket G3 except for the ZBook 14 which has the processor soldered-on.
Second generation.
The second generation comprised the following models:
The ZBook 15 G2 and ZBook 17 G2 models were announced in September 2014 and included new Intel processors, AMD and Nvidia graphics, and Thunderbolt 2 connectivity.
The ZBook 15 G2 and ZBook 17 G2 use Intel Socket G3 except for the ZBook 14 G2 and ZBook 15u G2 which have the processor soldered-on.
Third generation.
The third generation comprised the following models:
All models were announced in November 2015. Features include Intel Skylake Core and Xeon family processors, AMD FirePro and Nvidia Quadro graphics, and Thunderbolt 3. ZBook Studio G3 is the world’s first quad core workstation Ultrabook. HP ZBook Dock with Thunderbolt 3 announced with those models can link up to 10 devices at once.
Fourth generation.
The following fourth-generation models are either discontinued or have been replaced by fifth-generation models:
All models featured Intel Kaby Lake dual- and quad-core processors, AMD and Nvidia professional graphics, up to 64 GB of RAM, and Thunderbolt 3. The ZBook 14u and 15u feature a mixture of dual-core Kaby Lake and quad-core Intel eighth-generation Kaby Lake R processors.
Fifth generation.
The following fifth-generation models are either discontinued or have been replaced by sixth-generation models:
Sixth generation.
This generation of ZBook notebooks feature Intel Whiskey Lake quad-core CPU with integrated Intel Gen9 GPU and optional AMD Polaris 23 GPU for lightweight models, and Intel Coffee Lake R quad-core, hexa-core or octa-core CPU with integrated Intel Gen9 GPU and optional Nvidia Turing GPU for performance models. This generation also made Wi-Fi 6 available for ZBook products for the first time. All models continue to use the fifth-generation chassis design. 
Seventh generation.
This generation of ZBook notebooks feature Intel Comet Lake CPU with integrated Intel Gen9 GPU and optional Nvidia GPU.
Eighth generation.
This generation of ZBook Firefly notebooks feature Intel Tiger Lake CPU with Gen12 (Xe) Graphics, optional Nvidia T500 GPU and optional Qualcomm Snapdragon X55 5G WWAN.