Core Ultra 9 285HX vs Core i9-14900K
Core Ultra 9 285HX
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 Core Ultra 9 285HX
Performance Per Dollar Core i9-14900K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 9 285HX | Core i9-14900K |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($469) |
| Longevity | ✨ Modern (Arrow Lake-S (2024−2025) / 3 nm) | ✨ Modern (Raptor Lake-R (2023−2025) / Intel 7 nm) |
💎 Value Proposition
| Insight | Core Ultra 9 285HX | Core i9-14900K |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($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 Core Ultra 9 285HX and Core i9-14900K
Core Ultra 9 285HX
The Core Ultra 9 285HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-S (2024−2025) architecture. It features 24 cores and 24 threads. Base frequency is 2.8 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: FCBGA2114. Thermal design power (TDP): 55 Watt. Memory support: DDR5-6400. Passmark benchmark score: 58,732 points. Launch price was $650.
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 Core Ultra 9 285HX packs 24 cores / 24 threads, matching the Core i9-14900K's 24 cores. Boost clocks reach 5.5 GHz on the Core Ultra 9 285HX versus 5.8 GHz on the Core i9-14900K — a 5.3% clock advantage for the Core i9-14900K (base: 2.8 GHz vs 3.2 GHz). The Core Ultra 9 285HX uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Core i9-14900K uses Raptor Lake-R (2023−2025) (Intel 7 nm). In PassMark, the Core Ultra 9 285HX scores 58,732 against the Core i9-14900K's 58,544 — a 0.3% lead for the Core Ultra 9 285HX. Both processors carry 36 MB (total) of L3 cache.
| Feature | Core Ultra 9 285HX | Core i9-14900K |
|---|---|---|
| Cores / Threads | 24 / 24 | 24 / 32 |
| Boost Clock | 5.5 GHz | 5.8 GHz+5% |
| Base Clock | 2.8 GHz | 3.2 GHz+14% |
| L3 Cache | 36 MB (total) | 36 MB (total) |
| L2 Cache | 3 MB (per core)+50% | 2 MB (per core) |
| Process | 3 nm-57% | Intel 7 nm |
| Architecture | Arrow Lake-S (2024−2025) | Raptor Lake-R (2023−2025) |
| PassMark | 58,732 | 58,544 |
| Geekbench 6 Single | 3,106 | — |
| Geekbench 6 Multi | 22,200 | — |
Memory & Platform
The Core Ultra 9 285HX uses the FCBGA2114 socket (PCIe 5.0), while the Core i9-14900K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 285HX versus 5600 on the Core i9-14900K — the Core i9-14900K supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 192 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Core Ultra 9 285HX) vs 20 (Core i9-14900K) — the Core Ultra 9 285HX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel HM870 (Core Ultra 9 285HX) and Z790,Z690 (Core i9-14900K).
| Feature | Core Ultra 9 285HX | Core i9-14900K |
|---|---|---|
| Socket | FCBGA2114 | LGA1700 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-6400 | 5600+111900% |
| Max RAM Capacity | 192 GB+104857500% | 192 |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24+20% | 20 |
Advanced Features
Both processors feature an unlocked multiplier for overclocking. Virtualization support: true (Core Ultra 9 285HX) vs VT-x, VT-d (Core i9-14900K). Both include integrated graphics — Intel Arc Graphics (Core Ultra 9 285HX) and Intel UHD Graphics 770 (Core i9-14900K) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core Ultra 9 285HX rivals Ryzen 9 7945HX3D; Core i9-14900K rivals Ryzen 9 7950X.
| Feature | Core Ultra 9 285HX | Core i9-14900K |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | Intel Arc Graphics | Intel UHD Graphics 770 |
| Unlocked | Yes | Yes |
| AVX-512 | No | No |
| Virtualization | true | VT-x, VT-d |
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