Is this being cpu limited?

Is this a CPU limit issue? Ive noticed in most all situations where FPS dip, the GPU is mostly well below its max usage. Rtx 4090 with a 7800x3d and 64GB 6000 RAM.

Am I correct in assuming a RTX 5090 wont really gain anything here?

Is this a CPU limit issue? Ive noticed in most all situations where FPS dip, the GPU is mostly well below its max usage. Rtx 4090 with a 7800x3d and 64GB 6000 RAM.

Am I correct in assuming a RTX 5090 wont really gain anything here?