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Intel Xeon Gold 6526Y vs Intel Xeon Platinum 8558U: Comparison
Intel Xeon Gold 6526Y and Intel Xeon Platinum 8558U separate most on l3 cache: Intel Xeon Gold 6526Y at 37.5, Intel Xeon Platinum 8558U at 260, 86% in favour of Intel Xeon Platinum 8558U. They match on 19 other specifications, including form factor, codename and release year.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Form Factor | Server & Enthusiast | Server & Enthusiast |
| Model Number | Gold 6526Y | Platinum 8558U |
| Codename | Emerald Rapids | Emerald Rapids |
| Release Year | 2023 | 2023 |
| TDP | 195 W | 300 W |
| iGPU | None | None |
| Market Segment | Server | Server |
| Socket | LGA4677 | LGA4677 |
| Socket Status | Current | Current |
| Process Node | 10 | 10 |
| Performance Cores | 16 | 48 |
| Efficiency Cores | 0 | 0 |
| SMT Enabled | Yes | Yes |
| P-Core Base Clock | 2.8 | 2.0 |
| P-Core Boost Clock | 3.9 | 4.0 |
| L3 Cache | 37.5-86% | 260 |
| Base Power | 195 | 300 |
| Memory Type | DDR5 | DDR5 |
| Max Memory Speed | 5200 | 4800 |
| Memory Channels | 8 | 8 |
| Max Memory Capacity | 4096 | 4096 |
| ECC Support | Yes | Yes |
| Integrated Graphics | No | No |
| Copilot Plus Certified | No | No |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| PCIe Lanes | 80 | 80 |
| Cores | 16 | 48 |
| Threads | 32 | 96 |
| Architecture | Emerald Rapids | Emerald Rapids |
Verdict
Intel Xeon Gold 6526Y
8.1 / 10 Expert Rating
The Intel Xeon Gold 6526Y is a strong mid-to-high tier data center chip, well suited to enterprise virtualization and server duty.
Intel Xeon Platinum 8558U
8.6 / 10 Expert Rating
The Intel Xeon Platinum 8558U is a top-tier data center chip, built for the heaviest multi-socket server and AI infrastructure workloads.




