Core i9-13900K vs Xeon Gold 6423N
Core i9-13900K
Xeon Gold 6423N
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 Core i9-13900K
Performance Per Dollar Xeon Gold 6423N
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-13900K | Xeon Gold 6423N |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($500) | ⚠️ Higher cost ($2,161) |
| Longevity | ✨ Modern (Raptor Lake, Raptor Cove, Gracemont (2022) / Intel 7 nm) | ✨ Modern (Legacy / Intel 7 nm) |
💎 Value Proposition
| Insight | Core i9-13900K | Xeon Gold 6423N |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+339%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($500) | ⚠️ Higher cost ($2,161) |
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 Core i9-13900K and Xeon Gold 6423N
Core i9-13900K
The Core i9-13900K is manufactured by Intel. It was released in 27 September 2022 (3 years ago). It is based on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture. It features 24 cores and 32 threads. Base frequency is 3 GHz, with boost up to 5.7 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 58,373 points. Launch price was $589.
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.
Processing Power
The Core i9-13900K packs 24 cores / 32 threads, while the Xeon Gold 6423N offers 28 cores / 56 threads — the Xeon Gold 6423N has 4 more cores. Boost clocks reach 5.7 GHz on the Core i9-13900K versus 3.6 GHz on the Xeon Gold 6423N — a 45.2% clock advantage for the Core i9-13900K (base: 3 GHz vs 2 GHz). The Core i9-13900K is built on the Raptor Lake, Raptor Cove, Gracemont (2022) architecture. In PassMark, the Core i9-13900K scores 58,373 against the Xeon Gold 6423N's 57,434 — a 1.6% lead for the Core i9-13900K. L3 cache: 36 MB (total) on the Core i9-13900K vs 52.5 MB on the Xeon Gold 6423N.
| Feature | Core i9-13900K | Xeon Gold 6423N |
|---|---|---|
| Cores / Threads | 24 / 32 | 28 / 56+17% |
| Boost Clock | 5.7 GHz+58% | 3.6 GHz |
| Base Clock | 3 GHz+50% | 2 GHz |
| L3 Cache | 36 MB (total) | 52.5 MB+46% |
| L2 Cache | 2 MB (per core) | — |
| Process | Intel 7 nm | Intel 7 nm |
| Architecture | Raptor Lake, Raptor Cove, Gracemont (2022) | — |
| PassMark | 58,373+2% | 57,434 |
| Cinebench R23 Multi | 40,000 | — |
| Geekbench 6 Single | 2,985 | — |
| Geekbench 6 Multi | 19,967 | — |
Memory & Platform
The Core i9-13900K uses the LGA1700 socket (PCIe 5.0), while the Xeon Gold 6423N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Core i9-13900K versus 4800 on the Xeon Gold 6423N — the Xeon Gold 6423N supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6423N supports up to 4096 of RAM compared to 192 GB — 182.1% more capacity for professional workloads. Memory channels: 2 (Core i9-13900K) vs 8 (Xeon Gold 6423N). PCIe lanes: 20 (Core i9-13900K) vs 80 (Xeon Gold 6423N) — the Xeon Gold 6423N offers 60 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel Z790,Intel Z690 (Core i9-13900K) and C741 (Xeon Gold 6423N).
| Feature | Core i9-13900K | Xeon Gold 6423N |
|---|---|---|
| Socket | LGA1700 | LGA4677 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5600 | 4800+95900% |
| Max RAM Capacity | 192 GB+4915100% | 4096 |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 80+300% |
Advanced Features
Only the Core i9-13900K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Gold 6423N supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core i9-13900K) vs VT-x, VT-d (Xeon Gold 6423N). The Core i9-13900K includes integrated graphics (Intel UHD Graphics 770), while the Xeon Gold 6423N requires a dedicated GPU. Primary use case: Core i9-13900K targets Desktop. Direct competitor: Xeon Gold 6423N rivals EPYC 9354.
| Feature | Core i9-13900K | Xeon Gold 6423N |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 770 | None |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | true | VT-x, VT-d |
| Target Use | Desktop | — |
Value Analysis
The Core i9-13900K launched at $599 MSRP, while the Xeon Gold 6423N debuted at $2161. At current prices ($500 vs $2161), the Core i9-13900K is $1661 cheaper. In terms of value (PassMark points per dollar), the Core i9-13900K delivers 116.7 pts/$ vs 26.6 pts/$ for the Xeon Gold 6423N — making the Core i9-13900K the 125.8% better value option.
| Feature | Core i9-13900K | Xeon Gold 6423N |
|---|---|---|
| MSRP | $599-72% | $2161 |
| Avg Price (30d) | $500-77% | $2161 |
| Performance per Dollar | 116.7+339% | 26.6 |
| Release Date | 2022 | 2023 |
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