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Outbyte Driver Updater FREEFix the driver behind crashes, sound loss and screen glitchesFind Drivers →Outbyte PC Repair FREEClear out junk files and repair common Windows errorsFree Scan →Intel has chosen not to pursue X86S, its draft proposal for a 64-bit-mode-only x86 architecture. The company says it made that decision after receiving ecosystem feedback. Separately, Intel and AMD announced the x86 Ecosystem Advisory Group in October 2024, a joint forum intended to gather industry input and improve compatibility and predictability across x86 products. The group’s announced goals are not evidence that it formally canceled X86S or has already delivered those improvements.
What happened to Intel’s X86S project?
X86S did not become a released architecture. Intel described it as a draft specification circulated so the ecosystem could assess potential software impacts. Intel’s current status statement is direct: “Based on inputs from the ecosystem, Intel has chosen not to pursue X86S.” The company also reaffirmed its longstanding commitment to software compatibility. Intel’s X86S technical article
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That status is narrower than saying every technical detail of the draft was abandoned in a particular way: Intel’s status article does not enumerate which legacy modes or instructions the proposal would have removed. It establishes that Intel stopped pursuing the draft, not a complete technical change log.
What is the x86 Ecosystem Advisory Group?
Intel and AMD announced the x86 Ecosystem Advisory Group on October 15, 2024. They described it as a forum for industry leaders and the x86 hardware and software communities to provide technical input, promote compatible implementations of architectural features and programming models, and make product offerings more predictable for developers. The announced scope includes data centers, cloud, client, edge, and embedded devices. These are stated aims, not proof that each has been achieved. Intel and AMD’s October 15, 2024 announcement
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- Processor: Single 24c/48t, 2.0ghz (3.0ghz boost)
- Cache: 64MB l3 per socket
- I/o: Integrated 128 lanes pcie 3, no chipset needed
- Memory: 8 channels with 2 dimms ea, upto 2tb DDR4 2666/2400 mhz
- Helping secure data with processor delivered features like vm and memory encryption, and secure boot
Founding participants
The companies named Broadcom, Dell, Google, Hewlett Packard Enterprise, HP Inc., Lenovo, Meta, Microsoft, Oracle, and Red Hat as founding members. Linus Torvalds and Tim Sweeney were named as luminaries. The announcement called x86 a computing foundation “for over four decades”; that is the companies’ characterization in the 2024 release, not an independently measured statistic.
What the leaders said
Intel CEO Pat Gelsinger said the industry was approaching a major shift in x86, with new levels of customization, compatibility, and scalability needed for customer needs. AMD Chair and CEO Lisa Su said the group would help x86 continue evolving as a platform for developers and customers. Those statements describe the companies’ rationale and ambition at launch, rather than a report of completed work. October 2024 announcement
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- Dual Channel DDR4: The X99 server motherboard has 4 DDR4 RAM slots,supports DDR4 ECC/RECC/Non-ECC memory, dual channel and the maximum memory is up to 128GB (2133/2400MHz)
- Game connectivity: The X99 Gaming mainboard is PCIe 3.0 capable, with NGFF/NVME M.2 slot, USB 2.0, PS/2, Gigabit LAN port and SATA 2.0 ports; and this placa base has the fastest speed of NVME M.2 slot (PCIe 3.0 x4) up to 3600M/S
- Network & Sound Card: This X99 DDR4 motherboard has a Realtek 8111H 1000Mbps LAN port, Realtek ALC897 audio codec and 2.1 channel, which provides studio-grade sound quality for study, gaming and work
- High-performance motherboard: 6-layer PCB M-ATX motherboard design; 24+8 pin DC power supply interface, strong heat dissipation, use of full solid capacitor and optimized circuit layouts enable stable power supply to CPU
How the two developments relate
| Aspect | X86S | x86 Ecosystem Advisory Group |
|---|---|---|
| Initiative | An Intel draft for a 64-bit-mode-only architecture, circulated for ecosystem assessment. Intel | A joint Intel–AMD forum announced to gather technical input and coordinate compatibility efforts. Intel and AMD |
| Governance | Intel proposal; Intel says it chose not to pursue it after ecosystem input. Intel | Industry group announced with founding members and two named luminaries. Intel and AMD |
| Stated focus | Potential software impacts of a proposed architecture limited to 64-bit mode. | Compatible architectural features and programming models, product predictability, and developer experience across several computing segments. Intel and AMD |
The evidence supports describing this as a shift from an Intel draft proposal toward broader ecosystem collaboration. It does not establish that the advisory group formally voted to cancel X86S. Intel attributes its own decision to ecosystem input; the group’s creation is a separate, related development.
Timeline and what is known now
- X86S draft: Intel’s technical article says the specification was shared for ecosystem feedback and that Intel would not pursue it; the retrieved article text does not provide a publication date. Intel technical article
- October 15, 2024: Intel and AMD announced the advisory group and its membership and remit. Launch announcement
- December 19, 2024: Tom’s Hardware reported that an Intel spokesperson confirmed Intel was no longer working on the X86S specification. Tom’s Hardware report
- October 2025: Intel and AMD marked the group’s first anniversary and described it as an ongoing joint initiative focused on collaboration, standardized features, and developer-oriented innovation. Anniversary announcement
The anniversary statement establishes continuity through October 2025. The available announcements do not establish the group’s full membership, later activity, or deliverables as of September 28, 2026.
Quick Recap
Rank #4
- Processor: Single 24c/48t, 2.0GHz (3.0GHz boost)
- Cache: 64MB L3 per socket
- I/O: Integrated 128 lanes PCIe 3, no chipset needed
- Memory: 8 channels with 2 DIMMs ea, up to 2TB DDR4-2666/2400 MHz
- Amplify application performance with smart resource balancing and consistent feature sets
Rank #3
- Intel Core Ultra Processors (Series 2) - The Z890 GAMING PLUS WIFI6E is an ATX motherboard outfitted with the latest Intel Z890 chipset (LGA 1851, the 14 Duet Rail Power System VRM features MSI Core Boost technology for improved stability
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- QUADRUPLE M.2 CONNECTORS - Storage options include 1 x M.2 Gen5 x4 128Gbps slot, 3 x M.2 Gen4 x4 64Gbps slots; Features EZ M.2 Shield Frozr II to prevent thermal throttling and EZ M.2 Clip II for EZ DIY experience.
- High-Speed Connectivity - Network hardware includes a Wi-Fi 6E module with Bluetooth 5.3 & Intel Killer E5000B 5G LAN; Rear ports include USB 10Gbps Type-C with display output and 7.1 HD Audio with Audio Boost
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