Sempron LE-1200 vs Mobile Pentium 4 2.66
Sempron LE-1200
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. The Sempron LE-1200 is positioned at rank 929 and the Mobile Pentium 4 2.66 is on rank 771, 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 Sempron LE-1200
Performance Per Dollar Mobile Pentium 4 2.66
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron LE-1200 | Mobile Pentium 4 2.66 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Sparta (2007) / 65 nm) | 🛑 Legacy (Northwood (2002−2004) / 130 nm) |
💎 Value Proposition
| Insight | Sempron LE-1200 | Mobile Pentium 4 2.66 |
|---|---|---|
| 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 Sempron LE-1200 and Mobile Pentium 4 2.66
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.
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 Sempron LE-1200 packs 1 cores / 1 threads, matching the Mobile Pentium 4 2.66's 1 cores. Boost clocks reach 2.1 GHz on the Sempron LE-1200 versus 2.67 GHz on the Mobile Pentium 4 2.66 — a 23.9% clock advantage for the Mobile Pentium 4 2.66. The Sempron LE-1200 uses the Sparta (2007) architecture (65 nm), while the Mobile Pentium 4 2.66 uses Northwood (2002−2004) (130 nm). In PassMark, the Sempron LE-1200 scores 405 against the Mobile Pentium 4 2.66's 395 — a 2.5% lead for the Sempron LE-1200. Both processors carry 0 kB of L3 cache.
| Feature | Sempron LE-1200 | Mobile Pentium 4 2.66 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 2 |
| Boost Clock | 2.1 GHz | 2.67 GHz+27% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB | 512 kB |
| Process | 65 nm-50% | 130 nm |
| Architecture | Sparta (2007) | Northwood (2002−2004) |
| PassMark | 405+3% | 395 |
| Geekbench 6 Single | — | 800 |
| Geekbench 6 Multi | — | 800 |
Memory & Platform
The Sempron LE-1200 uses the AM2 socket (PCIe 2.0), while the Mobile Pentium 4 2.66 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Sempron LE-1200 | Mobile Pentium 4 2.66 |
|---|---|---|
| Socket | AM2 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | DDR2 |
| Max RAM Capacity | — | 4 GB |
| RAM Channels | — | 1 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Sempron LE-1200) / None (Mobile Pentium 4 2.66). Primary use case: Mobile Pentium 4 2.66 targets Legacy Laptop.
| Feature | Sempron LE-1200 | Mobile Pentium 4 2.66 |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | None |
| Target Use | — | Legacy Laptop |
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