Nvidia Unveils Xavier Automotive & AI Octa-core SoC with 512-Core Volta GPU, 8K Video Decode & Encode

Nvidia has introduced the successor to their Parker SoC mostly targeting self-driving cars and artificial intelligence applications, with Xavier SoC featuring 8 custom ARMv8 cores, a 512-core Volta GPU, a VPU (Video Processing Unit) supporting 8K video decode and encode and HDR (High Dynamic Range), as well as a computer vision accelerator (CVA).

nvidia-xavier The processor will deliver 20 TOPS (trillion operations per second) of performance, while consuming only 20 watts of power, and since it’s designed specifically for autonomous cars, it will comply with automotive safety standards such as ISO 26262 functional safety specification.

Anandtech published a comparison table with Tegra X1 (Erista), Parker, and Xavier using currently available information.

XavierParkerErista (Tegra X1)
CPU8x NVIDIA Custom ARM2x NVIDIA Denver +
4x ARM Cortex-A57
4x ARM Cortex-A57 +
4x ARM Cortex-A53
GPUVolta, 512 CUDA CoresPascal, 256 CUDA CoresMaxwell, 256 CUDA Cores
Memory?LPDDR4, 128-bit BusLPDDR3, 64-bit Bus
Video Processing7680×4320 Encode & Decode3840x2160p60 Decode
3840x2160p60 Encode
3840x2160p60 Decode
3840x2160p30 Encode
Transistors7B??
Manufacturing ProcessTSMC 16nm FinFET+TSMC 16nm FinFET+TSMC 20nm Planar

The company goes on to say a single Xavier-based AI car supercomputer will be able to replace today’s fully configured DRIVE PX 2 with two Parker SoCs and two Pascal GPUs. The new platform will be much smaller as illustrated below, consumes much less power at 20 Watt, or 25% of the power consumption of PX DRIVE 2, and deliver the same AI performance (20 TOPS), as well as around 33% better integer performance (160 SPECINT).

nvidia-px-drive-2-vs-xavier-board

Xavier will start sampling in Q4 2017, and be available to automakers, tier 1 suppliers, startups and research institutions working on self-driving cars.

Nvidia has also uploaded a video showing the deep learning capabilities of their PX DRIVE 2 computer on a self-driving car that learned to drive in California, before driving in New Jersey.

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