Apple announced its latest processor, M1 Ultra in the launch event “Peek Performance”. It is Apple’s most powerful ARM-based custom processor, designed for the new Mac Studio desktop computer.
Performance of M1 Ultra
The M1 Ultra is essentially two M1 Max chips connected together using Apple’s new UltraFusion interconnect architecture. This uses a silicon interposer with a bandwidth of 2.5TB/s. When compared to having two separate chips connected through the motherboard, this reduces latency and bandwidth concerns.
Coming to the performance, Apple claims that the processor up to delivers 90 percent more performance for the same amount of power as an Intel Core i9-12900K and can match the Intel’s peak performance while using only 100W less power. Apple did not specify which multi-threaded tasks the M1 Ultra outperforms the 12900K at.
Meanwhile, in GPU performance, the 64-core model consumes 200W less at peak performance than the Nvidia GeForce RTX 3090 while also outperforming it. Apple did not specify which task this was accomplished under.
The M1 Ultra’s memory bandwidth is also higher than previous models, reaching 800MB/s. Up to 128GB of unified memory can be added to the M1 Ultra. This entire pool of memory is accessible to both the CPU and the GPU, as it is with other M1 models.
The M1 Ultra can also do some pretty crazy things when it comes to media decoding, such as play back up to 18 streams of 8K ProRes 422 video at the same time, thanks to the doubling of the media engine block. It can also support up to five displays, with four of them being the 6K Pro Display XDR and a fifth being a 4K display.
Finally, in terms of software, the M1 Ultra will appear to applications as a single processor, allowing all programs to run and scale without the need to change them. Furthermore, macOS is built to scale with the hardware, so it can automatically take advantage of the chip’s increased performance.
via - GSMArena
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