Intel LGA-1851 socket to last until 2026

The Intel LGA-1851 socket is expected to debut on the market with the Arrow Lake-S platform. However, it won't be a one-time use, as recent reports claim it should last for two years. The new platform may also drop DDR4 support entirely, moving users entirely over to DDR5 memory.

The leaked information comes from ITHome (via TLC) and @momomo_us. TLC's recent tweets indicate that Intel's LGA-1851 socket will be supported until 2026, implying that the firm intends to launch at least another CPU series compatible with it (two assuming a one-year cycle). This might not necessarily imply a new architecture, though, as the upcoming Raptor Lake refresh has shown.

LGA1851は2026年まで続投らしいねー

— TLC (@leaf_hobby) August 19, 2023

TLC shared more details about the 15th Gen Core series, including that the GPU Tile will have its own dedicated L3 cache. Moreover, the leaker wrote that the iGPU has been updated, corroborating the reports that Intel would use the Xe-LPG architecture for the chip's integrated graphics. However, the leaker noted that this new architecture would only be used starting with the 15th Gen Core series. Lastly, the leaker also claimed that the L2 cache would grow to 3MB per core, like some previous reports. TLC didn't mention anything regarding the rumoured L4 “Adamantine” cache that's to be featured in Meteor Lake, leaving us wondering if the 15th Gen Core chips will use it or not.

The leaker also wrote a few things about the Intel Z890 chipset, which is said to have 20x PCIe 5.0 lanes, with 16x for the GPU and 4x for storage. That's 4x more than what the LGA-1700 platform has. TLC didn't say anything about memory support, but @momomo_us claims that Intel's next platform will only support DDR5 memory. The latter also stated that Intel Arrow Lake isn't expected to be released before H2 2024.

KitGuru says: If you're thinking of jumping to the LGA-1851 socket at launch, there's a chance you would be able to upgrade your CPU to something considerably better after a few years without needing to invest in a new motherboard and memory.

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