Grace
NVIDIA's Arm-based server CPU, paired tightly with its GPUs over a coherent link in superchip designs.
Current numbers
72 cores / up to 480 GBGrace in NVIDIA’s GB200 NVL72 specification: 72 cores, up to 480 GB and 512 GB/s host memory
~900 GB/sNVLink-C2C coherent host-GPU bandwidth (Grace–Blackwell), bidirectional; ~7x PCIe Gen5 / ~3.5x Gen6 per x16
2 : 1GPU:CPU ratio fixed by the GB200 NVL72 package (72 Blackwell GPUs : 36 Grace CPUs)