In the coming months, Intel will launch its 13th Gen Raptor Lake processors, but rumor has it that the 14th Gen Meteor Lake and 15th Gen Arrow Lake processors will arrive on an all-new desktop processor platform based on the LGA 2551 socket.
14th Gen Intel Meteor Lake and 15th Gen Arrow Lake desktop processors will be launched in 2023-2024 on the new LGA 2551 socket platform
The latest details come from Moore’s law is dead where it is stated that Intel is expected to launch its 14th Gen Meteor Lake CPUs in 2023 and its 15th Gen Arrow Lake CPUs in 2024. Now these two lineups have been confirmed by Intel themselves, including generations beyond those codenamed Lunar Lake and Nova Lake. The key detail from the latest video is that both families will be using an all-new take known as the LGA2551.
The Intel LGA 2551 socket will replace the current LGA 1700/1800 socket which supports 12th Gen Alder Lake and 13th Gen Raptor Lake processors. Intel is known to switch to new sockets every 2 generations. The LGA 1200 socket also supported 10th Gen Comet Lake and 11th Gen Rocket Lake processors. Although the socket remains the same, each processor brings a host of I/O enhancements that are enabled through newer chips. The same philosophy is used by AMD and Intel as we see multiple chipset revisions and updates on the same socket.
According to the details, the Intel LGA 2551 socket for Meteor Lake and Arrow Lake processors will be exact measurements of 38mm x 46mm and will only be slightly larger than the existing LGA 1700/1800 socket, meaning these 2551 pins could be tightly packed compared to current designs so the socket doesn’t take up much space on mainstream platforms. This will make the Intel LGA 2551 socket the largest for consumer desktop PCs, incorporating 751 pins more than Intel’s current consumer socket and 833 pins more than AMD’s AM5 socket (LGA 1718). With the plug out of the way, let’s take a look at the Meteor Lake and Arrow Lake processor families.
Intel LGA 2551 socket (Image credits: Moore’s Law is Dead):
14th Generation Intel Meteor Lake Processors: Intel 4 Process Node, Tiled Arc GPU Design, Hybrid Cores, 2023 Launch to Tackle Zen 5
The 14th Gen Meteor Lake processors will change gamers in that they will take on a whole new tiled architecture approach. Based on the “Intel 4” process node, the new processors will deliver a 20% performance-per-watt improvement using EUV technology and are expected to be registered by 2H 2022 (ready for manufacturing). The first Meteor Lake processors are expected to ship by 1H 2023 with availability expected later the same year. Desktop parts are rumored to hit shelves by the second half of 2023 and will tackle AMD’s Zen 5 processors when they launch.
According to Intel, the 14th Gen Meteor Lake processors will feature an all-new tiled architecture, which basically means the company has decided to move to the full chiplet. There are 4 main tiles on Meteor Lake processors. There is the IO tile, the SOC tile, the GFX tile, and the Compute tile. Compute tile includes CPU tile and GFX tile. The CPU slab will use a new hybrid core design comprised of Redwood Cove P-Cores and Crestmont E-Cores, delivering higher performance throughput at lower power while the graphics slab will be unlike anything we’ve seen before. Processors will scale from 5W to 125W, ranging from ultra-low TDP mobiles to high-end desktop PCs.
As Raja Koduri points out, the Meteor Lake processors will use a GPU powered by Tiled Arc graphics, making it a whole new class of graphics on a chip. It is neither an iGPU nor a dGPU and currently considered a tGPU (Tiled GPU / Next-Gen Graphics Engine). Meteor Lake processors will use the all-new Xe-HPG graphics architecture, enabling increased performance at the same level of power efficiency as existing integrated GPUs. This will also enable better support for DirectX 12 Ultimate and XeSS, features that are currently only supported by the Alchemist line.
15th Generation Intel Lunar Lake Processors: Intel 20A Process Node, All-New Lion Cove “Possible Jim Keller Design” Core, and Competing with Zen 6
The follow-up to Meteor Lake is Arrow Lake and the 15th Gen lineup brings many changes. While compatible with anything Meteor Lake lands on, the Redwood Cove and Crestmont cores will be upgraded to the all-new Lion Cove and Skymont cores. These should bring a major advantage with the increased core count which should be 40/48 on the new SKUs (8 P-Cores + 32 E-Cores).
A previous leak had confirmed desktop ‘K’ series consumer coins. Performance is said to reach parity with AMD and Apple processors, which would mean these would offer a double-digit gain. There is no information regarding the GFX tile, but it should either feature an updated architecture or increase Xe cores. The I/O tile will be fused with Neural Engines (VPUs), similar to those in Meteor Lake, which will use low-powered Atom Cores.
Surprisingly, Intel would skip its “Intel 4” node and go straight to 20A for Arrow Lake processors. One thing that is true for the Meteor Lake and Arrow Lake chips is that they will retain their L3 process node (TSMC) for additional base IPs, presumably the Arc GPU cores. The Intel Node 20A delivers a 15% improvement in performance per watt, using next-generation RibbonFET and PowerVia technology, and the first IP test wafers are expected to be running in fabs by the second half of 2022.
So it looks like for mobility at least Intel would go the more efficient route as they will be using a fraction of the full base configuration that the desktop chips will get. Also, there will be a four-chip design for Arrow Lake, same as Meteor Lake but with more cores and IO features. The 20A Process Node itself will bring a 15% improvement in performance per watt and bring RibbonFET & PowerVia technology to the table.
Comparison of Intel Mainstream Desktop Processor Generations:
|Intel processor family||Process Processor||Processors Cores/Threads (Max)||PDT||Chipset Platform||Platform||Memory support||PCIe support||Launch|
|Sandy Bridge (2nd generation)||32nm||4/8||35-95W||Series 6||LGA1155||DDR3||PCIe Gen 2.0||2011|
|Ivy Bridge (3rd generation)||22nm||4/8||35-77W||Series 7||LGA1155||DDR3||PCIe generation 3.0||2012|
|Haswell (4th generation)||22nm||4/8||35-84W||Series 8||LGA1150||DDR3||PCIe generation 3.0||2013-2014|
|Broadwell (5th generation)||14nm||4/8||65-65W||Series 9||LGA1150||DDR3||PCIe generation 3.0||2015|
|Skylake (6th generation)||14nm||4/8||35-91W||100 series||LGA1151||DDR4||PCIe generation 3.0||2015|
|Lac Kaby (7th generation)||14nm||4/8||35-91W||200 series||LGA1151||DDR4||PCIe generation 3.0||2017|
|Coffee Lake (8th Gen)||14nm||6/12||35-95W||300 series||LGA1151||DDR4||PCIe generation 3.0||2017|
|Coffee Lake (9th Generation)||14nm||8/16||35-95W||300 series||LGA1151||DDR4||PCIe generation 3.0||2018|
|Comet Lake (10th Generation)||14nm||10/20||35-125W||400 series||LGA1200||DDR4||PCIe generation 3.0||2020|
|Rocket Lake (11th Gen)||14nm||8/16||35-125W||500 Series||LGA1200||DDR4||PCIe generation 4.0||2021|
|Alder Lake (12th Generation)||Intel 7||16/24||35-125W||600 series||LGA1700||DDR5 / DDR4||PCIe generation 5.0||2021|
|Raptor Lake (13th Generation)||Intel 7||24/32||35-125W||700 series||LGA1700||DDR5 / DDR4||PCIe generation 5.0||2022|
|Meteor Lake (14th Generation)||Intel 4||To be determined||35-125W||800 series?||LGA2551||DDR5||PCIe generation 5.0||2023|
|Arrow Lake (15th generation)||Intel 20A||40/48||To be determined||900 series?||LGA2551||DDR5||PCIe generation 5.0||2024|
|Moon Lake (16th Generation)||Intel 18A||To be determined||To be determined||1000 series?||To be determined||DDR5||PCIe Gen 5.0?||2025|
|Nova Lake (17th generation)||Intel 18A||To be determined||To be determined||2000 series?||To be determined||DDR5?||PCIe Gen 6.0?||2026|
That said, Intel is expected to leak new details about its 14th Gen Meteor Lake and 15th Gen Arrow Lake processors at HotChip34 in August, so we’ll have a bit more information on Team Blue’s lineup of next-gen chips.
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