Arguably the highlight of Epic’s State of Unreal keynote was the opening: a sprawling technical demo that showed just how good The Witcher 4 looks in Unreal Engine 5. It showcased a bustling market in a port city, a beautiful forest landscape, and a horse that looked and acted like, well, a horse. Even more impressive was the fact that the demo was running at 60 frames per second on a base model PlayStation 5. According to Julius Girbig, a senior technical animator at Witcher developer CD Projekt Red, the choice of hardware for the demo was very intentional.
« Everyone has the idea of how fast a PS5 is and what kinds of games it can run, » he tells The Verge. « That’s why we specifically wanted to go that route of: let’s start with the consoles, let’s show how much we can optimize this engine together with Epic and make it work on current gen, instead of running it on some high-end hardware. »
Now, to be clear, the UE5 demo is not actually a slice of the final game. Girbig describes it as « a demonstration of the tools that we are currently building that will eventually power The Witcher 4, » and something that « does show the style and direction that we’re going for, and the fidelity …
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The Witcher 4 tech demo ran on a base PS5 to ‘show how much we can optimize’