Core i9-14900KS vs Xeon Platinum 8454H
Core i9-14900KS
Xeon Platinum 8454H
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 i9-14900KS
Performance Per Dollar Xeon Platinum 8454H
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-14900KS | Xeon Platinum 8454H |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($670) | ⚠️ Higher cost ($6,540) |
| Longevity | ✨ Modern (Raptor Lake-R (2023−2025) / Intel 7 nm) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | Core i9-14900KS | Xeon Platinum 8454H |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+848%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($670) | ⚠️ Higher cost ($6,540) |
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 i9-14900KS and Xeon Platinum 8454H
Core i9-14900KS
The Core i9-14900KS is manufactured by Intel. It was released in Marchar 2024 (1 year 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 5.9 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): 150 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 60,531 points. Launch price was $689.
Xeon Platinum 8454H
The Xeon Platinum 8454H 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 32 cores and 64 threads. Base frequency is 2.1 GHz, with boost up to 3.4 GHz. L3 cache: 82.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 62,347 points. Launch price was $6,540.
Processing Power
The Core i9-14900KS packs 24 cores / 32 threads, while the Xeon Platinum 8454H offers 32 cores / 64 threads — the Xeon Platinum 8454H has 8 more cores. Boost clocks reach 5.9 GHz on the Core i9-14900KS versus 3.4 GHz on the Xeon Platinum 8454H — a 53.8% clock advantage for the Core i9-14900KS (base: 3.2 GHz vs 2.1 GHz). The Core i9-14900KS uses the Raptor Lake-R (2023−2025) architecture (Intel 7 nm), while the Xeon Platinum 8454H uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core i9-14900KS scores 60,531 against the Xeon Platinum 8454H's 62,347 — a 3% lead for the Xeon Platinum 8454H. L3 cache: 36 MB (total) on the Core i9-14900KS vs 82.5 MB on the Xeon Platinum 8454H.
| Feature | Core i9-14900KS | Xeon Platinum 8454H |
|---|---|---|
| Cores / Threads | 24 / 32 | 32 / 64+33% |
| Boost Clock | 5.9 GHz+74% | 3.4 GHz |
| Base Clock | 3.2 GHz+52% | 2.1 GHz |
| L3 Cache | 36 MB (total) | 82.5 MB+129% |
| L2 Cache | 2 MB (per core) | 2 MB (per core) |
| Process | Intel 7 nm | Intel 7 nm |
| Architecture | Raptor Lake-R (2023−2025) | Sapphire Rapids (2023−2024) |
| PassMark | 60,531 | 62,347+3% |
Memory & Platform
The Core i9-14900KS uses the LGA1700 socket (PCIe 5.0), while the Xeon Platinum 8454H uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Core i9-14900KS versus 4800 on the Xeon Platinum 8454H — the Core i9-14900KS supports 15.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8454H supports up to 4096 of RAM compared to 192 — 182.1% more capacity for professional workloads. Memory channels: 2 (Core i9-14900KS) vs 8 (Xeon Platinum 8454H). PCIe lanes: 20 (Core i9-14900KS) vs 80 (Xeon Platinum 8454H) — the Xeon Platinum 8454H offers 60 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z790,Z690 (Core i9-14900KS) and C741 (Xeon Platinum 8454H).
| Feature | Core i9-14900KS | Xeon Platinum 8454H |
|---|---|---|
| Socket | LGA1700 | LGA4677 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | 5600+17% | 4800 |
| Max RAM Capacity | 192 | 4096+2033% |
| RAM Channels | 2 | 8+300% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 20 | 80+300% |
Advanced Features
Only the Core i9-14900KS has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Platinum 8454H supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i9-14900KS includes integrated graphics (Intel UHD Graphics 770), while the Xeon Platinum 8454H requires a dedicated GPU. Direct competitor: Core i9-14900KS rivals Ryzen 9 7950X; Xeon Platinum 8454H rivals EPYC 9354.
| Feature | Core i9-14900KS | Xeon Platinum 8454H |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel UHD Graphics 770 | None |
| Unlocked | Yes | No |
| AVX-512 | No | Yes |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
Value Analysis
The Core i9-14900KS launched at $749 MSRP, while the Xeon Platinum 8454H debuted at $6540.
| Feature | Core i9-14900KS | Xeon Platinum 8454H |
|---|---|---|
| MSRP | $749-89% | $6540 |
| Avg Price (30d) | $670 | — |
| Release Date | 2024 | 2023 |
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