Arm’s new Cortex-A77 CPU micro-architecture: evolving performance

It’s a hardware day today, and since AnandTech is the most authoritative source on stuff like this, we’ve got more from them. Arm announced its next big micro-architecture – which will find its way to flagship smartphones soon.

Overall the Cortex-A77 announcement today isn’t quite as big of a change as what we saw last year with the A76, nor is it as big a change as today’s new announcement of Arm’s new Valhall GPU architecture and G77 GPU IP.

However what Arm managed to achieve with the A77 is a continued execution of their roadmap, which is extremely important in the competitive landscape. The A76 delivered on all of Arm’s promises and ended up being an extremely performant core, all while remaining astonishingly efficient as well as having a clear density lead over the competition. In this regard, Arm’s major clients are still heavily focusing on having the best PPA in their products, and Arm delivers in this regard.

The one big surprise about the A77 is that its floating point performance boost of 30-35% is quite a lot higher than I had expected of the core, and in the mobile space, web-browsing is the killer-app that happens to be floating point heavy, so I’m looking forward how future SoCs with the A77 will be able to perform.

As linked above, the company also announced its next-generation mobile GPU architecture.


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