https://wccftech.com/nvidia-grace-cpu-arm-superchip-2-3x-performance-gain-versus-intel-ice-lake-xeon-chips/

At GTC 2022, NVIDIA unveiled its Grace CPU Superchip, a platform with up to 144 ARM cores that has been touted to offer a 2x perf/watt gain versus traditional servers. During the event, NVIDIA's CEO nor the web pages shared much insight into the performance claims but a new slide has been shared by NVIDIA which projects the performance of the chip versus Intel's Ice Lake Xeon platform.

So a new performance slide of NVIDIA's Grace Arm CPU Superchip has been shared which shows the 'Projected' performance of WRF (Weather Research and Forecasting) using the standard NCAR WRF (v3.9.1.1 ported to Arm). The IB4 model is a 4km regional forecast of the Iberian Peninsula that is located in Southern Europe covering Spain and Portugal.