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Intel Xeon 6516P-B vs Intel Xeon 6556P-B: Comparison
Intel Xeon 6516P-B and Intel Xeon 6556P-B separate most on l3 cache: Intel Xeon 6516P-B at 40 MB, Intel Xeon 6556P-B at 72 MB, 44% in favour of Intel Xeon 6556P-B. They match on 21 other specifications, including product line, codename and release year.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Product Line | Xeon | Xeon |
| Codename | Granite Rapids | Granite Rapids |
| Release Year | 2024 | 2024 |
| Market Segment | Server | Server |
| Socket | Soldered | Soldered |
| Socket Status | Current | Current |
| Process Node | 3 | 3 |
| Performance Cores | 20 | 36 |
| Efficiency Cores | 0 | 0 |
| SMT Enabled | Yes | Yes |
| P-Core Base Clock | 2.3 | 2.3 |
| P-Core Boost Clock | 3.7 | 3.7 |
| Unlocked Multiplier | No | No |
| L3 Cache | 40 MB-44% | 72 MB |
| Base Power | 160 | 240 |
| Memory Type | DDR5 | DDR5 |
| Memory Channels | 8 | 8 |
| Max Memory Capacity | 2048 | 2048 |
| ECC Support | Yes | Yes |
| Integrated Graphics | No | No |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Architecture | Granite Rapids | Granite Rapids |
| Socket Support | 1S (SoC) | 1S (SoC) |
| Max Memory | 2048 GB (8-channel DDR5-6400, integrated SoC) | 2048 GB (8-channel DDR5-6400, integrated SoC) |
| Cores | 20 | 36 |
| Threads | 40 | 72 |
Verdict
Intel Xeon 6516P-B
8.3 / 10 Expert Rating
The Intel Xeon 6516P-B packs strong core counts into an integrated SoC package well suited to edge and telco infrastructure.
Intel Xeon 6556P-B
8.3 / 10 Expert Rating
The Intel Xeon 6556P-B packs strong core counts into an integrated SoC package well suited to edge and telco infrastructure.


