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