Apple says M5 Ultra uses a quad-die 3nm architecture, "a first for Apple silicon", with inter-die bandwidth of 4.4TB/s+ and up to a 36-core CPU and 80-core GPU (Steve Dent/Engadget)

Apple’s M5 Ultra uses a quad-die 3 nm architecture with over 4.4 TB/s inter-die bandwidth, a 36-core CPU and an 80-core GPU, powering a Mac Studio that delivers up to 4.3× faster AI performance, supports up to 512 GB unified memory, and starts at $2,499. The company also released a 2 nm M6 chip in a new Mac mini, featuring a 12-core CPU/GPU and up to 32 GB unified memory.