The next-generation Arrow Lake-S Desktop CPUs from Intel, which will replace the 14th generation Raptor Lake series, will have a bigger cache design. According to Golden Pig Upgrade, each of the P-Core included on the Arrow Lake-S CPUs will have an additional 1 MB of L2 cache, for a total of 3 MB. This represents a 50% improvement over Raptor Cove’s 2 MB L2 cache per core and a 2.4x increase over Golden Cove cores. This is a significant increase in L2 cache levels, while CPUs will retain the same L3 cache counts as Raptor Lake chips.
According to recent rumours, Intel’s Arrow Lake-S processor will be part of the new LGA 1851 platform, which is expected to launch later next year with the 800-series motherboards. According to earlier information, Arrow Lake will be a mix of Lion Cove P-Cores and Skymont E-Cores, but the same architectures are also confirmed for Lunar Lake, which is likely to reach low-power platforms like Meteor Lake but without the HX/S SKUs.
The Arrow Lake-S CPUs will use the “Intel 20A” process node, and there have been rumours of Intel transitioning to the TSMC 3nm process, while nothing is certain regarding the particular processes on which the tiles will be based.
The Intel Arrow Lake-S Desktop CPUs are expected to offer up to a 21% performance boost over Raptor Lake CPUs at the same power and double the iGPU performance. It was discovered that Intel still intends to produce at least 8+16 core Arrow Lake-S variants, which would equal the existing Raptor Lake-S flagship, the Core i9-13900K/14900K.
There have been rumours about an even greater quantity of E-Cores, but nothing has been confirmed. It’s also unclear whether the desktop lineup would remain as the 15th Gen or adopt the “Core Ultra” series nomenclature.
The Arrow Lake-S Desktop CPU lineup will be available in late 2024 and will be supported by LGA 1851 socketed motherboards from the 800-series family.
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