The Apple M2 Ultra gets 24 CPU cores and up to 192GB of shared memory

Apple has kicked off its developer conference WWDC 2023 and a new processor was introduced on it Apple M2 Ultra. This innovation connects two M2 Max chips using the ultra-fast UltraFusion bus, which ensures a throughput of 2.5 TB/s. Everything is designed to make the processor appear to the system as a single processor, so nothing changes for developers when developing applications. Their apps can run on the M2, M2 Pro, and M2 Max chips as well as the M2 Ultra, even though the latter is a fusion of two processors. The resulting processor has 24 CPU cores, 16 powerful and 8 economical. The M1 Ultra also had 16 powerful cores, but only 4 economical ones. The total number of cores thus increased by 20%. However, since it increased in the area of ​​energy-saving cores, the total performance should increase by less than the 20%. But further modifications of the processor produced by the second generation of the 5nm process at TSMC made it possible to achieve that the CPU performance is just that 20% higher. However, in the case of DaVinci Resolve, there were much larger increases, up to 50%.

Apple M2 Ultra

While the M1 Ultra could have 64 GPU cores, the M2 Ultra will come in 60 or 76 core versions. That’s an additional 12 cores, and the overall performance has increased by 30% thanks to other tweaks in this area as well. The rendering of 3D effects in Octane has even been accelerated by a factor of 3. The shared operating memory still has a maximum transfer speed of 800 GB/s, but its maximum capacity has been increased from 128 to 192 GB. Thanks to this, the processor can be used for demanding training of machine learning systems, where a giant memory always comes in handy.

Apple M2

Apple further said that we have a 32-core Neural Engine with a performance of 31.6 TOPS, which increases the performance against the predecessor by 40%. Working with video sequences is 2 times faster thanks to the ability of HW encoding and decoding of H.264, HEVC/H.265 and ProRes codecs. The M2 Ultra can thus play 22 streams of 8K videos in ProRes 422. You can connect up to 6 Pro Display XDR displays and the output will thus exceed 100 million pixels.

Source: Svět hardware by

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