The NVIDIA RTX 3090 Ti is the objective winner of this comparison, securing victory in eight out of fifteen measured specifications. Its most significant advantage over the NVIDIA RTX 5060 Ti 8 GB is its VRAM capacity, which is 200% higher. This substantial memory lead provides the primary technical edge for the former, while the latter holds its own advantage in media processing capabilities, specifically offering 100% better AV1 encoding support.

Users requiring maximum memory capacity for intensive tasks should choose the NVIDIA RTX 3090 Ti to leverage its superior VRAM. Conversely, those prioritizing modern media workflows and efficient video processing should select the NVIDIA RTX 5060 Ti 8 GB for its significant advantage in AV1 encoding. Your decision should depend on whether your specific workload demands the raw memory headroom of the larger card or the specialized encoding features found in the newer model.