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Ultrafusion

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Apple reportedly weighs Nvidia's NVLink Fusion for 2029 M8 Ultra AI servers

Apple is reportedly building custom AI servers around future M8 Ultra chips, planned in two- and four-chip configurations, and is evaluating Nvidia's NVLink Fusion for high-speed interconnects between them. The project, said to have started roughly a year ago under former hardware chief John Ternus, aims to replace Apple's existing in-house connectivity tech, which is reportedly too slow and expensive for large-scale deployment.

Apple's M5 Ultra doubles chip fusion architecture, boosts memory bandwidth 50%

Apple has released the M5 Ultra chip for the new Mac Studio, built by fusing two dual-die M5 Max chips into a quad-die design, a first for the company's silicon lineup. The chip offers up to 36 CPU cores, a jump in inter-die connection speed to 4.4TB/s, and unified memory bandwidth of 1.2TB/s, both notable increases over the M3 Ultra.

Apple unveils M6 chip and M5 Ultra for new Mac Mini and Mac Studio

Apple has introduced the M6 chip, its first built on a 2nm process, featuring a 12-core CPU and 12-core GPU with a dual 16-core Neural Engine for on-device AI tasks. Alongside it, Apple revealed the M5 Ultra, which fuses two M5 Max dies into a quad-die chip with up to 36 CPU cores, 80 GPU cores, and support for 512GB of unified memory. The M6 will power a new Mac Mini and the M5 Ultra a new Mac Studio, both open for preorder Tuesday ahead of a September 22nd release.