Sempron LE-1100 vs Pentium 4 2.66
Sempron LE-1100
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-1100 is positioned at rank 953 and the Pentium 4 2.66 is on rank 1113, so the Sempron LE-1100 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-1100
Performance Per Dollar Pentium 4 2.66
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron LE-1100 | Pentium 4 2.66 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($300) |
| Longevity | 🛑 Legacy (Sparta (2007) / 65 nm) | 🛑 Legacy (NetBurst (2000−2006) / 130 nm) |
💎 Value Proposition
| Insight | Sempron LE-1100 | Pentium 4 2.66 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($300) |
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-1100 and Pentium 4 2.66
Sempron LE-1100
The Sempron LE-1100 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: 1.9 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 45 Watt. Passmark benchmark score: 376 points. Launch price was $69.
Pentium 4 2.66
The Pentium 4 2.66 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 1 cores and 1 threads. Max frequency: 2.66 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 110 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 378 points. Launch price was $69.
Processing Power
Both the Sempron LE-1100 and Pentium 4 2.66 share an identical 1-core/1-thread configuration. Boost clocks reach 1.9 GHz on the Sempron LE-1100 versus 2.66 GHz on the Pentium 4 2.66 — a 33.3% clock advantage for the Pentium 4 2.66. The Sempron LE-1100 uses the Sparta (2007) architecture (65 nm), while the Pentium 4 2.66 uses NetBurst (2000−2006) (130 nm). In PassMark, the Sempron LE-1100 scores 376 against the Pentium 4 2.66's 378 — a 0.5% lead for the Pentium 4 2.66. Both processors carry 0 kB of L3 cache.
| Feature | Sempron LE-1100 | Pentium 4 2.66 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.9 GHz | 2.66 GHz+40% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 256 kB | 512 kB+100% |
| Process | 65 nm-50% | 130 nm |
| Architecture | Sparta (2007) | NetBurst (2000−2006) |
| PassMark | 376 | 378 |
Memory & Platform
The Sempron LE-1100 uses the AM2 socket (PCIe 2.0), while the Pentium 4 2.66 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Sempron LE-1100 | Pentium 4 2.66 |
|---|---|---|
| Socket | AM2 | PGA478 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
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