The new Mac Studio arrives with numbers that once belonged to rack-mounted workstations: as many as 36 CPU cores, 80 GPU cores, 512GB of unified memory and 1.2TB per second of memory bandwidth. It places immense AI, graphics and video capacity inside the same 7.7-inch-square enclosure. There are two routes into that performance. M5 Max starts at $2,499 and covers demanding creative, development and engineering work. M5 Ultra begins at $5,499, doubling major parts of the architecture and opening workloads that depend on enormous memory, sustained bandwidth or several media engines working together. The temptation is to wait for an M6 version, especially now that the standard M6 chip has appeared in Mac mini. We would not. …