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HoloLens powered by 24-core holographic processing unit

Microsoft details HoloLens internals, which is powered by a beasty 24-core 'holographic processing unit'

By Anthony Garreffa on Aug 24, 2016 03:27 am CDT - 0 mins, 41 secs reading time

HoloLens has been detailed at the Hot Chips conference in Cupertino, with Microsoft teasing that there's a "holographic processing unit", or HPU inside of HoloLens, that is capable of around 1 trillion operations per second.

HoloLens powered by 24-core holographic processing unit |

TSMC build the "Tensilica" chip for HoloLens on the 28nm process, with 65 million logic gates, 8MB of ultra-fast static RAM (SRAM), and 1GB of DDR3 RAM. Microsoft managed to fit all of this into a 12mm x 12mm (half-inch square) package that's designed to process input from the inertial chip, environmental cameras, depth cameras, and other sensors on HoloLens.

HoloLens is capable of speeding up calculations 200 times over software alone, with ready-to-use positional data to the headset's main Intel Cherry Trail-based CPU, so that it's free to run apps and games. It makes sense now why the headset is $3000.

Anthony Garreffa

ABOUT THE AUTHOR - Anthony Garreffa

Anthony is a long time PC enthusiast with a passion of hate for games to be built around consoles. With FPS gaming since the pre-Quake days, where you were insulted if you used a mouse to aim, he has been addicted to gaming and hardware ever since. Working in IT retail for 10 years gave him great experience with high-end, custom-built PCs. His addiction to GPU technology is unwavering, and with next-gen NVIDIA GPUs about to launch alongside 4K 144Hz HDR G-Sync gaming monitors and BFGDs (65-inch 4K 120Hz HDR G-Sync TVs) there has never been a time to be more excited about technology.


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