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Ubisoft employee says Star Wars Outlaws is Game-Key Card as cartridges too slow for streaming assets

Rob Bantin, one of the architects of Ubisoft’s fairly impressive Snowdrop engine, has said that Star Wars Outlaws is a Game-Key Card as the game engine relies heavily on disk streaming for its open worlds and that the Nintendo Switch 2 cartridges were too slow to give the performance they needed to render the environments at speed. Bantin says that he doesn’t remember the cost of cartridges even factoring into the equation. You can read his full reply to a Digital Foundry thread down below.

Snowdrop relies heavily on disk streaming for its open world environments, and we found the Switch 2 cards simply didn’t give the performance we needed at the quality target we were going for. I don’t recall the cost of the cards ever entering the discussion – probably because it was moot.

Rob Bantin 🇸🇪🏳️‍⚧️🏳️‍🌈 (@cubusaddendum.bsky.social) 2025-09-04T18:51:52.058Z

12 thoughts on “Ubisoft employee says Star Wars Outlaws is Game-Key Card as cartridges too slow for streaming assets”

    1. Not that streaming. They seem to be suggesting that Nintendo’s game cards are too slow to stream assets off of in real-time leading to poor performance. I’d love to see benchmarks for that. Also I’d love to know if there are any SDXC cards with worse performance than Nintendo’s game cartridges.

      1. The cartridges are slower than running the game off the onboard storage or via the microSD Express cards… but they’re not supposed to be that much slower.

        The whole point of Nintendo requiring microSD Express instead of the older ones the Switch 1 supported was to make sure whatever storage medium one uses is about the same speed, somewhere between 600-800MB/s. The older microSD cards yielded something like 80-100MB/s.

        1. Based on ArsTechnica reporting of this they said Switch 2 GameCard is 400MB/s, MicrosSD Express is 800MB/s, and internal Switch 2 storage is 2100MB/s. Unfortunately if this is true then the bottleneck will always be on the GameCard. Unless Nintendo decided to stop supporting physical games altogether, which is reallu unlikely since 1st party switch 2 games are guaranteed to get “real” GameCard.

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