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What Is Intel Xeon 6+ (Clearwater Forest)? 288-Core AI CPU

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What Is Intel Xeon 6+ (Clearwater Forest)? 288-Core AI CPU

Intel launched Xeon 6+ (Clearwater Forest) at Computex 2026, its first data center CPU built on the Intel 18A process node. With 288 E-cores per socket, it’s designed for the agentic AI era.

Last verified: June 3, 2026

Quick facts

PropertyValue
CodenameClearwater Forest
ReleaseJune 2, 2026 (Computex 2026)
ProcessIntel 18A
CoresUp to 288 Darkmont E-cores per socket
Dual-socket576 cores
L3 cache576MB
L2 cache288MB
Memory12-channel DDR5-8000
PCIe96 lanes Gen 5
TDP300–450W
DesignAll-E-core chiplet (12 chiplets on 18A)
PackagingFoveros Direct 3D + EMIB

Architecture deep dive

Xeon 6+ is a radical departure from traditional Xeon designs:

All-E-core, no P-cores. Intel’s bet is that Efficient cores with massive cache and high bandwidth can outperform traditional Performance+Efficiency hybrid designs for scale-out workloads — especially agentic AI orchestration.

Chiplet design — 12 CPU chiplets on Intel 18A, three base tiles on Intel 3, and two I/O tiles on Intel 7, all connected via Foveros Direct 3D and EMIB packaging.

Massive cache — 576MB L3 + 288MB L2 = 864MB total cache per socket. This is critical for AI agent workloads where model weights and context data need fast access.

AI positioning: “The agentic AI CPU”

Intel is positioning Xeon 6+ specifically for agentic AI orchestration, not GPU-like training. The reasoning:

  • AI agents need CPUs for tool calling, rule execution, file system operations, and pipeline orchestration
  • Modern agentic workloads are CPU-bound at the orchestration layer, not GPU-bound
  • Xeon 6+ can handle 150,000 agents per rack (36,864 cores in 32U liquid-cooled)
WorkloadBest processor
AI trainingGPU (NVIDIA, AMD)
Model inferenceGPU / AI accelerator
Agent orchestrationXeon 6+ CPU
Tool executionXeon 6+ CPU
Data preprocessingXeon 6+ CPU

Performance claims

Intel’s published benchmarks vs AMD EPYC 9965:

MetricIntel Xeon 6+vs AMD EPYC 9965
Performance per watt+48% vs prev genNot directly compared
Performance per thread~30% fasterLeading claim
Rack density36,864 cores/32UCompetitive
Agent capacity per rack150,000 agentsNot specified

Rack-scale infrastructure

Intel partnered with Foxconn, SambaNova, and Vista Equity for rackscale AI:

  • Foxconn — rack-scale product development
  • SambaNova — AI inference solutions (SN50 SambaRack with Xeon 6)
  • Vista Equity — enterprise financing and deployment

A single liquid-cooled rack: 36,864 cores, 32U of compute, capable of 150,000 concurrent agents.

Availability

Xeon 6+ systems are available immediately from: ASUS, Dell, Ericsson, GIGABYTE, HPE, Lenovo, Supermicro

Intel CEO Lip-Bu Tan delivered the Computex 2026 keynote, emphasizing execution, engineering, and ecosystem partnerships.

Bottom line

Xeon 6+ is Intel’s most ambitious data center CPU play in years. Its focus on agentic AI orchestration — rather than trying to beat NVIDIA at GPU workloads — is a smart bet on where the industry is heading. The 288-core, 18A, 576MB cache design is genuinely impressive. For enterprise AI infrastructure planning, Xeon 6+ deserves serious consideration for the orchestration layer of agentic systems.