"It was perhaps a bit much to hope that Vita Remote Play could match up to the Wii U GamePad, or even Nvidia Shield's performance. Nintendo built its system around its controller - ultra low latency was built into the design, while Vita Remote Play simply doesn't have that priority for Sony. With regards Shield, as details come to light on the Kepler GPU's onboard video encode architecture, we see a design built from the ground-up for low-latency image acquisition, along with high-speed hardware h.264 encoding - a system that has attracted plenty of praise from luminaries in the real-time capture field (Unwinder is the man behind MSI Afterburner). This is technology derived from GeForce GRID, Nvidia's cloud gaming system - so just like the Wii U GamePad, it's built for precisely this task.
The hardware encoders and surrounding pipelines built into both Xbox One and PlayStation 4 seem to be less sophisticated - absolutely fine for the clip-sharing and live-streaming functions they were primarily designed for, but with results falling short for ultra-low latency real-time transmission that Vita Remote Play demands for optimal performance."
Eurogamer.
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