Apple M5 Ultra vs M3 Ultra: What's changed?

The M5 Ultra combines two dual-die M5 Max chips into a quad-die design, boosting inter-die bandwidth to 4.4 TB/s and connection density sixfold. It features 36 cores (12 super, 24 performance), delivering 25% faster single-thread and up to 30% faster multi-thread performance. Unified memory bandwidth rises 50% to 1.2 TB/s, the GPU adds a Neural Accelerator with 4.5× AI speed and up to 40% graphics gain, and the Media Engine handles 33 concurrent 8K 30 fps ProRes streams. Thunderbolt 5 and PCIe Gen 6 support up to 128 GB/s SSD throughput.