Hot Hardware published a review on the NVIDIA Unveils Tegra X1 Powered Drive CX and PX Intelligent Automotive Computing Platforms A quote from the article:

Today NVIDIA unveiled its upcoming Tegra X1 system on a chip (SoC) and a few automotive computer systems leveraging the X1. The Tegra X1 is a significant departure from the previous-gen Tegra K1 in that it features a 256-core Maxwell-derived GPU and eight CPU cores; four ARM A57 cores and four A53s in a big.LITTLE configuration. NVIDIA claims the Tegra X1 offers up to 2x the performance of the Tegra K1 in a similar power envelope, thanks to improved efficiency in the CPU and GPU cores and the chip's more advanced 20nm manufacturing process. In addition to the Tegra X1 itself, NVIDIA also announced some new automotive computing platforms, the NVIDIA Drive CX Digital Cockpit Computer and Drive PX Auto-Pilot Platform, along with the Drive Studio software suite for developing in-car infotainment and autonomous driving systems based on Tegra X1...

 NVIDIA Unveils Tegra X1 Powered Drive CX and PX Intelligent Automotive Computing Platforms @ HotHardware.com