
Core i5-13400F vs Mobile Pentium 4 2.66

Core i5-13400F

Mobile Pentium 4 2.66
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 i5-13400F
Performance Per Dollar Mobile Pentium 4 2.66
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-13400F | Mobile Pentium 4 2.66 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($180) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Raptor Lake-S (2023−2024) / Intel 7 nm) | 🛑 Legacy (Northwood (2002−2004) / 130 nm) |
💎 Value Proposition
| Insight | Core i5-13400F | Mobile Pentium 4 2.66 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($180) | ✅ 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 i5-13400F and Mobile Pentium 4 2.66

Core i5-13400F
The Core i5-13400F 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 10 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 20 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5, DDR4. Passmark benchmark score: 25,029 points. Launch price was $196.

Mobile Pentium 4 2.66
The Mobile Pentium 4 2.66 is manufactured by Intel. It was released in Junho 2003 (22 years ago). It is based on the Northwood (2002−2004) architecture. It features 1 cores and 2 threads. Max frequency: 2.67 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 66 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 395 points. Launch price was $69.
Processing Power
The Core i5-13400F packs 10 cores / 16 threads, while the Mobile Pentium 4 2.66 offers 1 cores / 2 threads — the Core i5-13400F has 9 more cores. Boost clocks reach 4.6 GHz on the Core i5-13400F versus 2.67 GHz on the Mobile Pentium 4 2.66 — a 53.1% clock advantage for the Core i5-13400F. The Core i5-13400F uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Mobile Pentium 4 2.66 uses Northwood (2002−2004) (130 nm). In PassMark, the Core i5-13400F scores 25,029 against the Mobile Pentium 4 2.66's 395 — a 193.8% lead for the Core i5-13400F. Geekbench 6 single-core — the metric most relevant to gaming — records 2,407 vs 800, a 100.2% lead for the Core i5-13400F that directly translates to higher frame rates. Multi-core Geekbench: 11,408 vs 800 (173.8% advantage for the Core i5-13400F). L3 cache: 20 MB (total) on the Core i5-13400F vs 0 kB on the Mobile Pentium 4 2.66.
| Feature | Core i5-13400F | Mobile Pentium 4 2.66 |
|---|---|---|
| Cores / Threads | 10 / 16+900% | 1 / 2 |
| Boost Clock | 4.6 GHz+72% | 2.67 GHz |
| Base Clock | 2.5 GHz | — |
| L3 Cache | 20 MB (total) | 0 kB |
| L2 Cache | 1.25 MB (per core)+150% | 512 kB |
| Process | Intel 7 nm-95% | 130 nm |
| Architecture | Raptor Lake-S (2023−2024) | Northwood (2002−2004) |
| PassMark | 25,029+6236% | 395 |
| Cinebench R23 Multi | 16,211 | — |
| Geekbench 6 Single | 2,407+201% | 800 |
| Geekbench 6 Multi | 11,408+1326% | 800 |
Memory & Platform
The Core i5-13400F uses the LGA1700 socket (PCIe 5.0), while the Mobile Pentium 4 2.66 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-13400F versus DDR2 on the Mobile Pentium 4 2.66 — the Core i5-13400F supports 85.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-13400F supports up to 192 GB of RAM compared to 4 GB — 191.8% more capacity for professional workloads. Memory channels: 2 (Core i5-13400F) vs 1 (Mobile Pentium 4 2.66). PCIe lanes: 20 (Core i5-13400F) vs 0 (Mobile Pentium 4 2.66) — the Core i5-13400F offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-13400F) and 852PM,855PM (Mobile Pentium 4 2.66).
| Feature | Core i5-13400F | Mobile Pentium 4 2.66 |
|---|---|---|
| Socket | LGA1700 | PGA478 |
| PCIe Generation | PCIe 5.0+355% | PCIe 1.1 |
| Max RAM Speed | DDR5-4800, DDR4-3200+150% | DDR2 |
| Max RAM Capacity | 192 GB+4700% | 4 GB |
| RAM Channels | 2+100% | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 20 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i5-13400F) vs None (Mobile Pentium 4 2.66). Primary use case: Core i5-13400F targets Gaming, Mobile Pentium 4 2.66 targets Legacy Laptop. Direct competitor: Core i5-13400F rivals Ryzen 5 7600.
| Feature | Core i5-13400F | Mobile Pentium 4 2.66 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | None |
| Target Use | Gaming | Legacy Laptop |
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