Core Ultra 9 275HX vs Core i5-10400F
Core Ultra 9 275HX
Core i5-10400F
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 275HX
Performance Per Dollar Core i5-10400F
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core Ultra 9 275HX | Core i5-10400F |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($102) |
| Longevity | ✨ Modern (Arrow Lake-HX (2025) / 3 nm) | ✨ Modern (Comet Lake (2020−2025) / 14 nm) |
💎 Value Proposition
| Insight | Core Ultra 9 275HX | Core i5-10400F |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($102) |
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 275HX and Core i5-10400F
Core Ultra 9 275HX
The Core Ultra 9 275HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-HX (2025) architecture. It features 24 cores and 24 threads. Base frequency is 2.7 GHz, with boost up to 5.4 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: 56,018 points. Launch price was $600.
Core i5-10400F
The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.
Processing Power
The Core Ultra 9 275HX packs 24 cores / 24 threads, while the Core i5-10400F offers 6 cores / 12 threads — the Core Ultra 9 275HX has 18 more cores. Boost clocks reach 5.4 GHz on the Core Ultra 9 275HX versus 4.3 GHz on the Core i5-10400F — a 22.7% clock advantage for the Core Ultra 9 275HX (base: 2.7 GHz vs 2.9 GHz). The Core Ultra 9 275HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the Core i5-10400F uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core Ultra 9 275HX scores 56,018 against the Core i5-10400F's 13,029 — a 124.5% lead for the Core Ultra 9 275HX. Geekbench 6 single-core — the metric most relevant to gaming — records 2,835 vs 1,454, a 64.4% lead for the Core Ultra 9 275HX that directly translates to higher frame rates. Multi-core Geekbench: 17,908 vs 5,783 (102.4% advantage for the Core Ultra 9 275HX). L3 cache: 36 MB (total) on the Core Ultra 9 275HX vs 12 MB (total) on the Core i5-10400F.
| Feature | Core Ultra 9 275HX | Core i5-10400F |
|---|---|---|
| Cores / Threads | 24 / 24+300% | 6 / 12 |
| Boost Clock | 5.4 GHz+26% | 4.3 GHz |
| Base Clock | 2.7 GHz | 2.9 GHz+7% |
| L3 Cache | 36 MB (total)+200% | 12 MB (total) |
| L2 Cache | 3 MB (per core)+1100% | 256K (per core) |
| Process | 3 nm-79% | 14 nm |
| Architecture | Arrow Lake-HX (2025) | Comet Lake (2020−2025) |
| PassMark | 56,018+330% | 13,029 |
| Cinebench R23 Multi | — | 8,191 |
| Geekbench 6 Single | 2,835+95% | 1,454 |
| Geekbench 6 Multi | 17,908+210% | 5,783 |
Memory & Platform
The Core Ultra 9 275HX uses the FCBGA2114 socket (PCIe 5.0), while the Core i5-10400F uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 275HX versus DDR4-2666 on the Core i5-10400F — the Core Ultra 9 275HX supports 22.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core Ultra 9 275HX supports up to 256 GB of RAM compared to 128 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Core Ultra 9 275HX) vs 16 (Core i5-10400F) — the Core Ultra 9 275HX offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM870,WM880 (Core Ultra 9 275HX) and H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F).
| Feature | Core Ultra 9 275HX | Core i5-10400F |
|---|---|---|
| Socket | FCBGA2114 | LGA1200 |
| PCIe Generation | PCIe 5.0+67% | PCIe 3.0 |
| Max RAM Speed | DDR5-6400+25% | DDR4-2666 |
| Max RAM Capacity | 256 GB+100% | 128 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 24+50% | 16 |
Advanced Features
Only the Core Ultra 9 275HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support VT-x, VT-d virtualization. The Core Ultra 9 275HX includes integrated graphics (Intel Arc Graphics), while the Core i5-10400F requires a dedicated GPU. Primary use case: Core Ultra 9 275HX targets High-End Gaming Laptop, Core i5-10400F targets Gaming. Direct competitor: Core Ultra 9 275HX rivals Ryzen 9 9955HX; Core i5-10400F rivals Ryzen 5 3600.
| Feature | Core Ultra 9 275HX | Core i5-10400F |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel Arc Graphics | — |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d |
| Target Use | High-End Gaming Laptop | Gaming |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Core Ultra 9 275HX and Core i5-10400F
