
Core i9-13900F vs Core Ultra 7 255HX

Core i9-13900F

Core Ultra 7 255HX
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 i9-13900F
Performance Per Dollar Core Ultra 7 255HX
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i9-13900F | Core Ultra 7 255HX |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($536) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Raptor Lake-S (2023−2024) / Intel 7 nm) | ✨ Modern (Arrow Lake-HX (2025) / 3 nm) |
💎 Value Proposition
| Insight | Core i9-13900F | Core Ultra 7 255HX |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($536) | ✅ 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 i9-13900F and Core Ultra 7 255HX

Core i9-13900F
The Core i9-13900F is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 24 cores and 32 threads. Base frequency is 2 GHz, with boost up to 5.5 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): 65 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 48,934 points. Launch price was $524.

Core Ultra 7 255HX
The Core Ultra 7 255HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-HX (2025) architecture. It features 20 cores and 20 threads. Base frequency is 2.4 GHz, with boost up to 5.2 GHz. L3 cache: 30 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: 49,765 points. Launch price was $450.
Processing Power
The Core i9-13900F packs 24 cores / 32 threads, while the Core Ultra 7 255HX offers 20 cores / 20 threads — the Core i9-13900F has 4 more cores. Boost clocks reach 5.5 GHz on the Core i9-13900F versus 5.2 GHz on the Core Ultra 7 255HX — a 5.6% clock advantage for the Core i9-13900F (base: 2 GHz vs 2.4 GHz). The Core i9-13900F uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Core Ultra 7 255HX uses Arrow Lake-HX (2025) (3 nm). In PassMark, the Core i9-13900F scores 48,934 against the Core Ultra 7 255HX's 49,765 — a 1.7% lead for the Core Ultra 7 255HX. Geekbench 6 single-core — the metric most relevant to gaming — records 2,801 vs 2,923, a 4.3% lead for the Core Ultra 7 255HX that directly translates to higher frame rates. Multi-core Geekbench: 17,199 vs 16,885 (1.8% advantage for the Core i9-13900F). L3 cache: 36 MB (total) on the Core i9-13900F vs 30 MB (total) on the Core Ultra 7 255HX.
| Feature | Core i9-13900F | Core Ultra 7 255HX |
|---|---|---|
| Cores / Threads | 24 / 32+20% | 20 / 20 |
| Boost Clock | 5.5 GHz+6% | 5.2 GHz |
| Base Clock | 2 GHz | 2.4 GHz+20% |
| L3 Cache | 36 MB (total)+20% | 30 MB (total) |
| L2 Cache | 2 MB (per core) | 3 MB (per core)+50% |
| Process | Intel 7 nm | 3 nm-57% |
| Architecture | Raptor Lake-S (2023−2024) | Arrow Lake-HX (2025) |
| PassMark | 48,934 | 49,765+2% |
| Cinebench R23 Multi | 37,326 | — |
| Geekbench 6 Single | 2,801 | 2,923+4% |
| Geekbench 6 Multi | 17,199+2% | 16,885 |
Memory & Platform
The Core i9-13900F uses the LGA1700 socket (PCIe 5.0), while the Core Ultra 7 255HX uses FCBGA2114 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-5600 memory speed. Both support up to 192 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-13900F) vs 24 (Core Ultra 7 255HX) — the Core Ultra 7 255HX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA1700 (Core i9-13900F) and Intel HM870,Intel WM880 (Core Ultra 7 255HX).
| Feature | Core i9-13900F | Core Ultra 7 255HX |
|---|---|---|
| Socket | LGA1700 | FCBGA2114 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-5600 | DDR5-6400 |
| Max RAM Capacity | 192 GB | 192 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 20 | 24+20% |
Advanced Features
Only the Core Ultra 7 255HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Core i9-13900F supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-13900F) vs true (Core Ultra 7 255HX). The Core Ultra 7 255HX includes integrated graphics (Intel Arc Xe-LPG), while the Core i9-13900F requires a dedicated GPU. Direct competitor: Core Ultra 7 255HX rivals Ryzen 9 9850HX.
| Feature | Core i9-13900F | Core Ultra 7 255HX |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel Arc Xe-LPG |
| Unlocked | No | Yes |
| AVX-512 | Yes | No |
| Virtualization | VT-x, VT-d | true |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.















