The Witcher 4 Unreal Engine 5 Tech Demo: Digital Foundry Reaction!

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United States Digital Foundry
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Published on ● Video Link: https://www.youtube.com/watch?v=5PIyPpB83Vw


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Unreal Fest 2025 kicked off with a spectacular State of Unreal showcasing a demonstration of UE 5.6 technology based on assets from The Witcher 4. Highly impressive stuff, all running on a standard PlayStation 5 - and yes, we fully believe those claims. Rich and Alex share some initial thoughts on the presentation.

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00:00 Introduction
01:12 First impressions
02:04 Is this really running on PS5?
08:48 Hardware Lumen updates: 60fps on consoles
12:52 Nanite foliage updates: voxel vegetation
19:39 Massive NPC counts
21:56 Streaming optimization
25:54 Final thoughts



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