Intel’s upcoming Arrow Lake-S desktop CPUs are said to be particularly efficient with power limits of 125W for the PL1, 177W for the PL2 and 333W for the short-term PL4 as the absolute upper limit for unlocked SKUs. This is evident from a leaked diagram that shows a special Arrow Lake-S desktop CPU with 8 P-cores based on Lion Cove and 16 E-cores based on the new Crestmont architecture.
The TDP is 125W, which is standard for unlocked CPUs from Intel. The PL2 rating is significantly lower than the Core i9-13900K (rated at 253W), which is a 43% reduction in power. It is similar with the PL4 power limit, which is set at 333W. The Core i9-13900K has a PL4 limit of 420W, which is a 26% reduction. The power limits could be specific to early development samples, but if they remain in the final design, they suggest that the Arrow Lake desktop CPUs could be particularly efficient compared to existing 13th and 14th generation parts that use the Intel 7 (10nm ESF) node.
What’s new:
Intel’s Arrow Lake desktop CPUs will use the new 20A process node, which is expected to deliver significant efficiency gains. The 20A process node is an NMOS-only process that is expected to improve the performance and efficiency of the 10nm ESF process node. The upcoming Intel Arrow Lake desktop CPUs will move to the next LGA 1851 socket on 800 series motherboards. This socket will be supported until 2026 and only supports DDR5 memory.
Expected performance and competitiveness
The Arrow Lake desktop CPUs are expected to offer good performance while being energy efficient. They could challenge AMD’s Ryzen 7000 series on the desktop, which is also based on TSMC’s new 5nm process node. Intel’s Arrow Lake desktop CPUs are still a year away from launch, but they have the potential to change the desktop CPU landscape. The new CPUs could offer good performance with energy efficiency and challenge AMD’s Ryzen 7000 series.
Source: DarkmontTech
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