• slazer2au@lemmy.world
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    3 months ago

    It’s not so much that the cars use ddr5, I doubt they do. The problem is slop generators have booked the manufacturing capacity of the fabs for the next while meaning other chips can’t be produced or produced at a smaller volume.

  • cecilkorik@lemmy.ca
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    3 months ago

    According to this reverse engineering effort, Tesla MCUs have 4GB of DDR4 onboard.

    That is just the MCU, mind you, and I’m not sure what exactly it’s responsible for besides media, but besides whatever AI nonsense they use for self-driving which might have a good chunk of RAM onboard, it seems likely to me that most other computerized components are just using SOC (system-on-chip) processors with integrated onboard memory, not dedicated DDR. I am not an expert though, and may be wrong.

  • brucethemoose@lemmy.world
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    3 months ago

    It would be embedded. Not on sticks.

    It costs more to carefully cut the memory ICs off a motherboard and repackage them than to just buy RAM.

    In rare cases it can be done (like how Chinese shops resolder GDDR to make 48GB RTX 4090s), but I don’t see EV RAM being worth it.


    But to answer your question… some self driving systems or even infotainment systems do have a somewhat substantial amount of RAM.

    Pro tip: go for the motor. Or the battery, if you can swing it.

  • blitzen@lemmy.ca
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    3 months ago

    The verge Vergecast podcast did a piece on RAM, and it’s well worth a listen. They talk about all sorts of RAM related things, the RAM in a Cybertruck being one of them. Sorry, I don’t remember the details but I remember it being lower than I thought; 8GB, maybe 16gb. Give it a listen.

    • Richard@lemmy.world
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      3 months ago

      8gb is much more than i would expect.

      Like wth would the car’s shitty computer even be doing to use 8gb? They aren’t playing games or running local big machine learning models. Highly doubt that even the crappiest spyware would be able to benefit from so many resources