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Intel Xeon W3-2423 vs Intel Xeon W7-3445: Comparison
Intel Xeon W3-2423 and Intel Xeon W7-3445 separate most on l3 cache: Intel Xeon W3-2423 at 15 MB, Intel Xeon W7-3445 at 52.5 MB, 71% in favour of Intel Xeon W7-3445. Memory Channels splits them by another 50%, again favouring Intel Xeon W7-3445. They match on 16 other specifications, including product line, codename and release year.
Specs
| Specification | ![]() | ![]() |
|---|---|---|
| Product Line | Xeon | Xeon |
| Codename | Sapphire Rapids | Sapphire Rapids |
| Release Year | 2023 | 2023 |
| TDP | 120 W | 270 W |
| iGPU | None | None |
| Market Segment | Workstation | Workstation |
| Socket | LGA4677 | LGA4677 |
| Socket Status | Current | Current |
| Process Node | 10 | 10 |
| Performance Cores | 6 | 20 |
| Efficiency Cores | 0 | 0 |
| SMT Enabled | Yes | Yes |
| P-Core Base Clock | 2.1 | 2.6 |
| P-Core Boost Clock | 4.2 | 4.8 |
| Unlocked Multiplier | No | No |
| L3 Cache | 15 MB-71% | 52.5 MB |
| Base Power | 120 | 270 |
| Memory Type | DDR5 | DDR5 |
| Memory Channels | 4-50% | 8 |
| Max Memory Capacity | 1024 | 2048 |
| ECC Support | Yes | Yes |
| Integrated Graphics | No | No |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| PCIe Lanes | 64-20% | 80 |
| Architecture | Sapphire Rapids | Sapphire Rapids |
| Cores | 6 | 20 |
| Threads | 12 | 40 |
Verdict
Intel Xeon W3-2423
8 / 10 Expert Rating
The Intel Xeon W3-2423 is a high-core-count workstation chip, built for professional rendering, simulation, and CAD workloads.
Intel Xeon W7-3445
8.4 / 10 Expert Rating
The Intel Xeon W7-3445 is a high-core-count workstation chip, built for professional rendering, simulation, and CAD workloads.




