The latest benchmarks of Intel's next-gen Core i9-14900K Desktop CPU have leaked and show a nice performance boost over the 13900K.
14.08.2023 - 14:35 / pcgamer.com / Ada Lovelace / News For
In a development that will surprise no-one who knows computing history, it has been rumoured Intel's next-gen desktop CPUs, codenamed Arrow Lake, will contain a whole lot more cache memory. Like, potentially a 75% increase in total L2 cache for the top Arrow Lake CPU. And we've seen what a fat wad of cache can do for gaming performance, right?
Since introducing its hybrid core design with Alder Lake Intel has consistently increased the level of cache used, per core, in its processors. That's exactly where you'd expect it to go when you hit upon the dual limits of power and clock speed, and indeed it's where the entire industry has gone, too.
AMD has made a name for itself jamming a ton of fast cache memory onto both its processors and GPUs, with the X3D and Infinity Cache techniques of recent chip generations. Nvidia has been on the same track as well with the Ada Lovelace architecture. It is essentially utilising the twin benefits of a new process node, enabling higher clock speeds, and sticking a vastly larger amount of L2 cache into its GPUs to generate its gen-on-gen performance increases.
Likewise, Intel is reportedly going to add another 50% of L2 cache to the Performance cores of its upcoming Arrow Lake processors, with the older Alder Lake cores having 1.25MB, and each Raptor Lake core having 2MB. The rumours from HXL on Twitter (via Tom's Hardware) are based on a Bilibili message thread, and suggest that Arrow Lake will see 3MB of L2 cache per core.
If we're expecting the Arrow Lake chips on the Intel 20A process node to top out at the same eight Performance Core design, then you'll be getting a full 24MB for those big boi cores.
But Intel has doubled the number of its Efficient cores from Alder Lake to Raptor Lake, and doubled the amount of L2 cache at their disposal, too. Alder Lake initially had 2MB shared between each four core cluster of Efficient cores. Raptor Lake doubled that to 4MB—effectively 1MB for each core—and that allowed a chip such as the Core i9 13900K to hit 32MB for L2 cache alone.
The likelihood of Intel sticking to the exact same Efficient core design for its peak Arrow Lake chip is low, and there are already rumours it could deliver as many as 32 Efficient cores in the top desktop processors. Even if Intel didn't increase the pool of L2 cache per four-core cluster, that would still mean 56MB of L2 cache for a theoretical Core i9 15900K.
All told, that would mark a 75% increase in L2 cache for the highest-spec Arrow Lake processor. And that's potentially a conservative estimate given the chances of Intel opting to give its upgraded Crestmont Efficient cores more L2 cache per core are pretty high given the new 20A process.
And with the L3 cache capacities usually
The latest benchmarks of Intel's next-gen Core i9-14900K Desktop CPU have leaked and show a nice performance boost over the 13900K.
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