Mobile Pentium 4 2.66 vs Sempron LE-1200
Mobile Pentium 4 2.66
Sempron LE-1200
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. The Mobile Pentium 4 2.66 is positioned at rank 771 and the Sempron LE-1200 is on rank 929, so the Mobile Pentium 4 2.66 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Mobile Pentium 4 2.66
Performance Per Dollar Sempron LE-1200
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Mobile Pentium 4 2.66 | Sempron LE-1200 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Northwood (2002−2004) / 130 nm) | 🛑 Legacy (Sparta (2007) / 65 nm) |
💎 Value Proposition
| Insight | Mobile Pentium 4 2.66 | Sempron LE-1200 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Mobile Pentium 4 2.66 and Sempron LE-1200
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.
Sempron LE-1200
The Sempron LE-1200 is manufactured by AMD. It was released in 2007-01-01. It is based on the Sparta (2007) architecture. It features 1 cores and 1 threads. Max frequency: 2.1 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 405 points. Launch price was $69.
Processing Power
The Mobile Pentium 4 2.66 packs 1 cores / 2 threads, matching the Sempron LE-1200's 1 cores. Boost clocks reach 2.67 GHz on the Mobile Pentium 4 2.66 versus 2.1 GHz on the Sempron LE-1200 — a 23.9% clock advantage for the Mobile Pentium 4 2.66. The Mobile Pentium 4 2.66 uses the Northwood (2002−2004) architecture (130 nm), while the Sempron LE-1200 uses Sparta (2007) (65 nm). In PassMark, the Mobile Pentium 4 2.66 scores 395 against the Sempron LE-1200's 405 — a 2.5% lead for the Sempron LE-1200. Both processors carry 0 kB of L3 cache.
| Feature | Mobile Pentium 4 2.66 | Sempron LE-1200 |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 1 |
| Boost Clock | 2.67 GHz+27% | 2.1 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB | 512 kB |
| Process | 130 nm | 65 nm-50% |
| Architecture | Northwood (2002−2004) | Sparta (2007) |
| PassMark | 395 | 405+3% |
| Geekbench 6 Single | 800 | — |
| Geekbench 6 Multi | 800 | — |
Memory & Platform
The Mobile Pentium 4 2.66 uses the PGA478 socket (PCIe 1.1), while the Sempron LE-1200 uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Mobile Pentium 4 2.66 | Sempron LE-1200 |
|---|---|---|
| Socket | PGA478 | AM2 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 1 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Advanced Features
Virtualization: None (Mobile Pentium 4 2.66) / not specified (Sempron LE-1200). Primary use case: Mobile Pentium 4 2.66 targets Legacy Laptop.
| Feature | Mobile Pentium 4 2.66 | Sempron LE-1200 |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | None | — |
| Target Use | Legacy Laptop | — |
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