Xeon Gold 6423N vs Xeon w7-3545
Xeon Gold 6423N
Xeon w7-3545
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon Gold 6423N
Performance Per Dollar Xeon w7-3545
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6423N | Xeon w7-3545 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($2,161) | ✅ More affordable ($2,039) |
| Longevity | ✨ Modern (Legacy / Intel 7 nm) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6423N | Xeon w7-3545 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+8%) |
| Upfront Cost | ⚠️ Higher cost ($2,161) | ✅ More affordable ($2,039) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Xeon Gold 6423N and Xeon w7-3545
Xeon Gold 6423N
The Xeon Gold 6423N is manufactured by Intel. It was released in 2023-07-01. It features 28 cores and 56 threads. Base frequency is 2 GHz, with boost up to 3.6 GHz. L3 cache: 52.5 MB. Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 195 Watt. Memory support: DDR5-4400. Passmark benchmark score: 57,434 points. Launch price was $2,161.
Xeon w7-3545
The Xeon w7-3545 is manufactured by Intel. It was released in 24 August 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 24 cores and 48 threads. Base frequency is 2.7 GHz, with boost up to 4.8 GHz. L3 cache: 67.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 310 Watt. Memory support: DDR5-4800. Passmark benchmark score: 58,453 points. Launch price was $2,039.
Processing Power
The Xeon Gold 6423N packs 28 cores / 56 threads, while the Xeon w7-3545 offers 24 cores / 48 threads — the Xeon Gold 6423N has 4 more cores. Boost clocks reach 3.6 GHz on the Xeon Gold 6423N versus 4.8 GHz on the Xeon w7-3545 — a 28.6% clock advantage for the Xeon w7-3545 (base: 2 GHz vs 2.7 GHz). The Xeon w7-3545 is built on the Sapphire Rapids (2023−2024) architecture. In PassMark, the Xeon Gold 6423N scores 57,434 against the Xeon w7-3545's 58,453 — a 1.8% lead for the Xeon w7-3545. L3 cache: 52.5 MB on the Xeon Gold 6423N vs 67.5 MB on the Xeon w7-3545.
| Feature | Xeon Gold 6423N | Xeon w7-3545 |
|---|---|---|
| Cores / Threads | 28 / 56+17% | 24 / 48 |
| Boost Clock | 3.6 GHz | 4.8 GHz+33% |
| Base Clock | 2 GHz | 2.7 GHz+35% |
| L3 Cache | 52.5 MB | 67.5 MB+29% |
| L2 Cache | — | 2 MB (per core) |
| Process | Intel 7 nm | Intel 7 nm |
| Architecture | — | Sapphire Rapids (2023−2024) |
| PassMark | 57,434 | 58,453+2% |
| Geekbench 6 Single | — | 2,300 |
| Geekbench 6 Multi | — | 16,200 |
Memory & Platform
Both processors use the LGA4677 socket with PCIe 5.0. Maximum memory speed reaches 4800 on the Xeon Gold 6423N versus DDR5-4800 on the Xeon w7-3545 — the Xeon Gold 6423N supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 80 (Xeon Gold 6423N) vs 112 (Xeon w7-3545) — the Xeon w7-3545 offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Gold 6423N) and Intel W790 (Xeon w7-3545).
| Feature | Xeon Gold 6423N | Xeon w7-3545 |
|---|---|---|
| Socket | LGA4677 | LGA4677 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 4800+95900% | DDR5-4800 |
| Max RAM Capacity | 4096 | 4096 GB+104857500% |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 80 | 112+40% |
Advanced Features
Only the Xeon w7-3545 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Xeon Gold 6423N) vs true (Xeon w7-3545). Direct competitor: Xeon Gold 6423N rivals EPYC 9354; Xeon w7-3545 rivals Threadripper PRO 7965WX.
| Feature | Xeon Gold 6423N | Xeon w7-3545 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | Yes |
| AVX-512 | Yes | Yes |
| Virtualization | VT-x, VT-d | true |
Value Analysis
The Xeon Gold 6423N launched at $2161 MSRP, while the Xeon w7-3545 debuted at $2039. At current prices ($2161 vs $2039), the Xeon w7-3545 is $122 cheaper. In terms of value (PassMark points per dollar), the Xeon Gold 6423N delivers 26.6 pts/$ vs 28.7 pts/$ for the Xeon w7-3545 — making the Xeon w7-3545 the 7.6% better value option.
| Feature | Xeon Gold 6423N | Xeon w7-3545 |
|---|---|---|
| MSRP | $2161 | $2039-6% |
| Avg Price (30d) | $2161 | $2039-6% |
| Performance per Dollar | 26.6 | 28.7+8% |
| Release Date | 2023 | 2023 |
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