Sony Xperia Z has a 5″ 1080p display, featuring an incredibly high pixel density of 441 ppi. In order to power such a screen, the device features a 1.5 GHz quad-core Qualcomm Snapdragon S4 Pro processor, backed by the speedy Adreno 320 GPU. The Xperia Z also features 2 GB of RAM, 16 GB of internal storage, and a microSD card slot capable of taking up to 32 GB cards.
Sony Xperia Z has received earlier CM 12 ports running on Android 5.0. Now the latest nightly of the CM 12 will update the Xperia Z to Android 5.0.2. The release of official Android 5.0 for Xperia Z is not known yet. Till then you can use this ROM. Follow the guide below.