Dimensity 9400 Has 50 Percent More L3 Cache Than Dimensity 9300, With ARM’s Cortex-X925 Featuring Twice The L2 Cache Compared To Last Year’s Cortex-X4

MediaTek officially announced the Dimensity 9400 last week, which serves as the direct successor to the Dimensity 9300. The new SoC offers 12MB of L3 cache, making it 50 percent higher than what its predecessor was treated to, but in addition to sporting a new CPU cluster, we also get a closer look at how each core now features a massive cache upgrade, while also explaining how this will benefit the Dimensity 9400 when it is found in a multitude of flagship smartphones next year.

Cache size has been doubled across the board for each of the Dimensity 9400 cores, leading to a ton of benefits

This year, MediaTek has been exceptionally generous with the cache distribution, with in-depth reviewer Geekerwan believing that it might be due to the company transitioning to TSMC’s 3nm ‘N3E’ process, making it the first company apart from Apple to offer a silicon mass produced on this technology. Compared to the Cortex-X4 present in last year’s Dimensity 9300, which features 1MB of L2 cache, the single Cortex-X925 super core present in the Dimensity 9400 has been treated to 2MB of L2 cache.

Furthermore, where MediaTek had to sacrifice some L2 cache for the remaining Dimensity 9300’s Cortex-X4 cores by offering 512KB, this year’s Dimensity 9400’s three Cortex-X4 cores flaunt the same 1MB of L2 cache as the single Cortex-X4 super core from 2023. Of course, MediaTek did not stop there because the remaining four Cortex-A720 cores feature twice the L2 cache at 512KB compared to the Cortex-A720 that was a part of the Dimensity 9300.

As you might have heard, having more cache is always beneficial to maximize the speed of the computing device, which, in this case, would be a smartphone. In a nutshell, having more L2 and L3 cache means that the Dimensity 9400 can store more data and handle more processes in unison without having to access the physical storage, which also reduces the response times.

The lowered number of requests to the internal memory also reduces power consumption, and combined with TSMC’s 3nm ‘N3E’ process, the Dimensity 9400 could become one of the most efficient chipsets out there. We will compare how the L2 and L3 cache increases help push performance on upcoming Android smartphones, so we recommend waiting for more updates in the near future.

News Source: Geekerwan

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