CPU
GPU
Xeon Gold 5420+
Core i9-14900K
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 5420+
Performance Per Dollar Core i9-14900K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Gold 5420+ | Core i9-14900K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($1,848) | ✅ More affordable ($469) |
| Longevity | ✨ Modern (Sapphire Rapids (2023−2024) / 10 nm) | ✨ Modern (Raptor Lake-R (2023−2025) / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon Gold 5420+ | Core i9-14900K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+296%) |
| Upfront Cost | ⚠️ Higher cost ($1,848) | ✅ More affordable ($469) |
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 5420+ and Core i9-14900K
Xeon Gold 5420+
The Xeon Gold 5420+ is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 28 cores and 56 threads. Base frequency is 2 GHz, with boost up to 4.1 GHz. L3 cache: 52.5 MB. L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA4677. Thermal design power (TDP): 205 Watt. Memory support: DDR5-4400. Passmark benchmark score: 58,209 points. Launch price was $1,848.
Core i9-14900K
The Core i9-14900K is manufactured by Intel. It was released in 17 October 2023 (2 years ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 24 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 5.8 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: 58,544 points. Launch price was $589.
Processing Power
The Xeon Gold 5420+ packs 28 cores / 56 threads, while the Core i9-14900K offers 24 cores / 32 threads — the Xeon Gold 5420+ has 4 more cores. Boost clocks reach 4.1 GHz on the Xeon Gold 5420+ versus 5.8 GHz on the Core i9-14900K — a 34.3% clock advantage for the Core i9-14900K (base: 2 GHz vs 3.2 GHz). The Xeon Gold 5420+ uses the Sapphire Rapids (2023−2024) architecture (10 nm), while the Core i9-14900K uses Raptor Lake-R (2023−2025) (Intel 7 nm). In PassMark, the Xeon Gold 5420+ scores 58,209 against the Core i9-14900K's 58,544 — a 0.6% lead for the Core i9-14900K. L3 cache: 52.5 MB on the Xeon Gold 5420+ vs 36 MB (total) on the Core i9-14900K.
| Feature | Xeon Gold 5420+ | Core i9-14900K |
|---|---|---|
| Cores / Threads | 28 / 56+17% | 24 / 32 |
| Boost Clock | 4.1 GHz | 5.8 GHz+41% |
| Base Clock | 2 GHz | 3.2 GHz+60% |
| L3 Cache | 52.5 MB+46% | 36 MB (total) |
| L2 Cache | 2 MB (per core) | 2 MB (per core) |
| Process | 10 nm | Intel 7 nm-30% |
| Architecture | Sapphire Rapids (2023−2024) | Raptor Lake-R (2023−2025) |
| PassMark | 58,209 | 58,544 |
Memory & Platform
The Xeon Gold 5420+ uses the LGA4677 socket (PCIe 4.0), while the Core i9-14900K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Xeon Gold 5420+ versus 5600 on the Core i9-14900K — the Core i9-14900K supports 15.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 5420+ supports up to 4096 of RAM compared to 192 — 182.1% more capacity for professional workloads. Memory channels: 8 (Xeon Gold 5420+) vs 2 (Core i9-14900K). PCIe lanes: 80 (Xeon Gold 5420+) vs 20 (Core i9-14900K) — the Xeon Gold 5420+ offers 60 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C741 (Xeon Gold 5420+) and Z790,Z690 (Core i9-14900K).
| Feature | Xeon Gold 5420+ | Core i9-14900K |
|---|---|---|
| Socket | LGA4677 | LGA1700 |
| PCIe Generation | PCIe 4.0 | PCIe 5.0+25% |
| Max RAM Speed | 4800 | 5600+17% |
| Max RAM Capacity | 4096+2033% | 192 |
| RAM Channels | 8+300% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 80+300% | 20 |
Advanced Features
Only the Core i9-14900K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Gold 5420+ supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i9-14900K includes integrated graphics (Intel UHD Graphics 770), while the Xeon Gold 5420+ requires a dedicated GPU. Direct competitor: Xeon Gold 5420+ rivals EPYC 9354; Core i9-14900K rivals Ryzen 9 7950X.
| Feature | Xeon Gold 5420+ | Core i9-14900K |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | None | Intel UHD Graphics 770 |
| Unlocked | No | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Xeon Gold 5420+ launched at $1848 MSRP, while the Core i9-14900K debuted at $589. At current prices ($1848 vs $469), the Core i9-14900K is $1379 cheaper. In terms of value (PassMark points per dollar), the Xeon Gold 5420+ delivers 31.5 pts/$ vs 124.8 pts/$ for the Core i9-14900K — making the Core i9-14900K the 119.4% better value option.
| Feature | Xeon Gold 5420+ | Core i9-14900K |
|---|---|---|
| MSRP | $1848 | $589-68% |
| Avg Price (30d) | $1848 | $469-75% |
| Performance per Dollar | 31.5 | 124.8+296% |
| Release Date | 2023 | 2023 |
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