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NVIDIA RTX Spark: Grace CPU and Blackwell GPU on one package, up to 128GB shared memory

NVIDIA's RTX Spark laptops pair a Grace CPU and a Blackwell RTX GPU on a single package. The CPU and GPU address the same pool of up to 128GB rather than separate RAM and VRAM, and NVIDIA rates the chip at up to 1 petaflop of FP4 AI performance. For people running models locally, shared memory remo…

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  1. 2026-10-30 08:25 · r/ArtificialInteligence
    NVIDIA RTX Spark: Grace CPU and Blackwell GPU on one package, up to 128GB shared memory

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