Intel Clearwater Forest Debuts 288 Cores on 18A Node
Key insights
- Intel's Xeon 6+ Clearwater Forest delivers up to 288 cores and 576 MB L3 cache on the 18A process node.
- The Xeon 6990E+ claims 30% faster per-thread performance than AMD's 192-core EPYC 9965, per Intel's own benchmarks.
- Clearwater Forest is Intel's first data center product manufactured on the 18A process node.
Why this matters
The arrival of 18A in a commercial data center product is Intel's first tangible evidence that its advanced process technology has reached production scale for server workloads. The Xeon 6990E+'s 30% per-thread claim against AMD's 192-core EPYC 9965 directly challenges AMD's position at the high end of the data center CPU market, a segment Intel has been working to reclaim. For AI practitioners and infrastructure teams, Clearwater Forest's 288-core density and 576 MB L3 cache per socket are Intel's highest data center specs to date, with real procurement implications if third-party benchmarks confirm the per-thread lead.
Summary
Intel's Xeon 6+ 'Clearwater Forest' marks the debut of the company's 18A process node in a data center product, arriving with up to 288 cores and 576 MB of L3 cache per socket.
The flagship Xeon 6990E+ carries the performance headline. Intel claims a 30% per-thread speed advantage over AMD's 192-core EPYC 9965, though these figures are Intel's own and independent benchmarks have not yet surfaced.
Essentially: (Intel, AMD) are competing at the high end of data center CPUs on both core density and per-thread performance.
- Clearwater Forest reaches 288 cores and 576 MB L3 cache per socket on the 18A node.
- Intel's Xeon 6990E+ claims a 30% per-thread lead over the 192-core AMD EPYC 9965.
- Clearwater Forest is Intel's first data center product built on the 18A process node.
The launch is the first real-world test of whether Intel's 18A process can compete at data center scale.
Potential risks and opportunities
Risks
- If independent benchmarks fail to replicate Intel's 30% per-thread claim, AMD retains its data center narrative advantage and Clearwater Forest adoption stalls at enterprise and hyperscaler procurement stages
- Intel's 18A yield and supply at commercial scale are unproven; manufacturing constraints could delay OEM availability and cede near-term data center design wins to AMD
- If the 30% per-thread advantage holds only for specific workloads, the Xeon 6990E+ value proposition narrows and the competitive gap against EPYC 9965 shrinks in real-world deployments
Opportunities
- Server OEMs building Clearwater Forest platforms can differentiate 288-core configurations against deployed AMD EPYC systems ahead of AMD's next data center CPU generation
- Cloud providers benchmarking AI inference or HPC workloads gain a new high-cache, high-core-count Intel option to evaluate alongside AMD and Arm-based alternatives
- Intel's enterprise sales teams have a concrete 30% per-thread performance claim to lead with in accounts currently running AMD EPYC, contingent on third-party benchmark validation
What we don't know yet
- Memory subsystem specifications for Clearwater Forest, including DDR5 generation and channel count: not confirmed in accessible article text
- Benchmark methodology behind the 30% per-thread claim versus EPYC 9965: workload, power envelope, and configuration conditions not specified
- Xeon 6990E+ pricing and OEM system availability timeline: not disclosed in the launch announcement
Originally reported by tomshardware.com
Read the original article →Original headline: Intel Launches Xeon 6+ 'Clearwater Forest' at Computex — First 18A Data Center CPU, 288 Cores, Claims 30% Per-Thread Lead Over AMD EPYC