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Max Tech performed the first detailed teardown of the Apple Mac Studio, the most powerful Mac since Apple dumped Intel for processors in favor of its own silicon based around high-performance Arm chips built from the ground-up for its own software ecosystem. The M1 Ultra SoC powering the Mac Studio is its most striking piece of technology, with Apple attaching some very tall performance claims not just for its CPU compute performance, but also graphics rendering performance.

The M1 Ultra SoC is physically huge, with roughly similar package size to an AMD EPYC processor in the SP3 package. An integrated heatspreader (la forme du dissipateur de chaleur intégré du CPU) covers almost the entire topside of the package. Things get interesting under the hood. The M1 Ultra is a multi-chip module of two M1 Max dies connected on package using Apple UltraFusion, a coherent fabric interconnect that allows the various components of the two M1 Max dies to access memory controlled by the other die. Speaking of memory, The M1 Ultra features up to 128 GB of LPDDR5 memory that’s on-package, This memory is used for the CPU, GPU, as well as the neural processor, and has a combined memory bandwidth of 800 Go/s. The M1 Ultra features up to 20 Cœurs de processeur, jusqu'à 32 Neural cores, and up to 64 Cœurs GPU (8,192 programmable shaders).