Xeon Gold 6423N vs Core Ultra 9 285
Xeon Gold 6423N
Core Ultra 9 285
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 Core Ultra 9 285
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 6423N | Core Ultra 9 285 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($2,161) | ✅ More affordable ($550) |
| Longevity | ✨ Modern (Legacy / Intel 7 nm) | ✨ Modern (Arrow Lake-S (2024−2025) / 3 nm) |
💎 Value Proposition
| Insight | Xeon Gold 6423N | Core Ultra 9 285 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+293%) |
| Upfront Cost | ⚠️ Higher cost ($2,161) | ✅ More affordable ($550) |
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 Core Ultra 9 285
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.
Core Ultra 9 285
The Core Ultra 9 285 is manufactured by Intel. It was released in Janeiro 2025 (recentemente). It is based on the Arrow Lake-S (2024−2025) architecture. It features 24 cores and 24 threads. Base frequency is 2.5 GHz, with boost up to 5.5 GHz. L3 cache: 36 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 65 Watt. Memory support: DDR5-6400. Passmark benchmark score: 57,442 points. Launch price was $579.
Processing Power
The Xeon Gold 6423N packs 28 cores / 56 threads, while the Core Ultra 9 285 offers 24 cores / 24 threads — the Xeon Gold 6423N has 4 more cores. Boost clocks reach 3.6 GHz on the Xeon Gold 6423N versus 5.5 GHz on the Core Ultra 9 285 — a 41.8% clock advantage for the Core Ultra 9 285 (base: 2 GHz vs 2.5 GHz). The Core Ultra 9 285 is built on the Arrow Lake-S (2024−2025) architecture. In PassMark, the Xeon Gold 6423N scores 57,434 against the Core Ultra 9 285's 57,442 — a 0% lead for the Core Ultra 9 285. L3 cache: 52.5 MB on the Xeon Gold 6423N vs 36 MB (total) on the Core Ultra 9 285.
| Feature | Xeon Gold 6423N | Core Ultra 9 285 |
|---|---|---|
| Cores / Threads | 28 / 56+17% | 24 / 24 |
| Boost Clock | 3.6 GHz | 5.5 GHz+53% |
| Base Clock | 2 GHz | 2.5 GHz+25% |
| L3 Cache | 52.5 MB+46% | 36 MB (total) |
| L2 Cache | — | 3 MB (per core) |
| Process | Intel 7 nm | 3 nm-57% |
| Architecture | — | Arrow Lake-S (2024−2025) |
| PassMark | 57,434 | 57,442 |
| Cinebench R23 Multi | — | 40,000 |
| Geekbench 6 Single | — | 3,000 |
| Geekbench 6 Multi | — | 20,000 |
Memory & Platform
The Xeon Gold 6423N uses the LGA4677 socket (PCIe 5.0), while the Core Ultra 9 285 uses LGA1851 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Xeon Gold 6423N versus DDR5-6400 on the Core Ultra 9 285 — 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: 8 (Xeon Gold 6423N) vs 2 (Core Ultra 9 285). PCIe lanes: 80 (Xeon Gold 6423N) vs 24 (Core Ultra 9 285) — the Xeon Gold 6423N offers 56 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Gold 6423N) and Intel 800 Series (Core Ultra 9 285).
| Feature | Xeon Gold 6423N | Core Ultra 9 285 |
|---|---|---|
| Socket | LGA4677 | LGA1851 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 4800+95900% | DDR5-6400 |
| Max RAM Capacity | 4096 | 192 GB+4915100% |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 80+233% | 24 |
Advanced Features
Neither processor supports overclocking. Only the Xeon Gold 6423N supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Xeon Gold 6423N) vs Yes (Core Ultra 9 285). The Core Ultra 9 285 includes integrated graphics (Arc Graphics), while the Xeon Gold 6423N requires a dedicated GPU. Primary use case: Core Ultra 9 285 targets High-End Gaming. Direct competitor: Xeon Gold 6423N rivals EPYC 9354.
| Feature | Xeon Gold 6423N | Core Ultra 9 285 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Arc Graphics |
| Unlocked | No | No |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | Yes |
| Target Use | — | High-End Gaming |
Value Analysis
The Xeon Gold 6423N launched at $2161 MSRP, while the Core Ultra 9 285 debuted at $589. At current prices ($2161 vs $550), the Core Ultra 9 285 is $1611 cheaper. In terms of value (PassMark points per dollar), the Xeon Gold 6423N delivers 26.6 pts/$ vs 104.4 pts/$ for the Core Ultra 9 285 — making the Core Ultra 9 285 the 118.9% better value option.
| Feature | Xeon Gold 6423N | Core Ultra 9 285 |
|---|---|---|
| MSRP | $2161 | $589-73% |
| Avg Price (30d) | $2161 | $550-75% |
| Performance per Dollar | 26.6 | 104.4+292% |
| Release Date | 2023 | 2025 |
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