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Intel Xeon 6766E vs Intel Xeon 6949P: Comparison
Intel Xeon 6766E and Intel Xeon 6949P separate most on l3 cache: Intel Xeon 6766E at 180, Intel Xeon 6949P at 336, 46% in favour of Intel Xeon 6949P. Memory Channels splits them by another 33%, again favouring Intel Xeon 6949P. They match on 16 other specifications, including product line, form factor and release year.
Specs
| Specification |  | |
|---|---|---|
| Product Line | Xeon | Xeon |
| Form Factor | Server & Enthusiast | Server & Enthusiast |
| Model Number | 6766E | 6949P |
| Codename | Sierra Rapids | Granite Rapids |
| Release Year | 2024 | 2024 |
| TDP | 400 W | 400 W |
| Market Segment | Server | Server |
| Socket | Other | Other |
| Socket Status | Current | Current |
| Process Node | 3 | 3 |
| Performance Cores | 0 | 72 |
| Efficiency Cores | 144 | 0 |
| SMT Enabled | No | Yes |
| P-Core Base Clock | 1.9 | 2.5 |
| P-Core Boost Clock | 3.1 | 3.9 |
| Unlocked Multiplier | No | No |
| L3 Cache | 180-46% | 336 |
| Base Power | 400 | 400 |
| Memory Type | DDR5 | DDR5 |
| Memory Channels | 8-33% | 12 |
| Max Memory Capacity | 2048 | 1536 |
| ECC Support | Yes | Yes |
| Integrated Graphics | No | No |
| Copilot Plus Certified | No | No |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Cores | 144 | 72 |
| Threads | 144 | 144 |
| Architecture | Sierra Rapids | Granite Rapids |
Verdict
Intel Xeon 6766E
8.6 / 10 Expert Rating
The Intel Xeon 6766E trades per-core performance for AMD-style core density, a strong pick for horizontally-scaled cloud-native fleets.
Intel Xeon 6949P
8.9 / 10 Expert Rating
The Intel Xeon 6949P is a clock-forward Granite Rapids option, trading some core count for one of the fastest boost speeds in the Xeon 6900P family.