CPU
GPU
Mobile Pentium 4 2.66
Athlon XP 3000+
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 Athlon XP 3000+ is on rank 1138, 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 Athlon XP 3000+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Mobile Pentium 4 2.66 | Athlon XP 3000+ |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Northwood (2002−2004) / 130 nm) | 🛑 Legacy (Barton (2001−2004) / 130 nm) |
💎 Value Proposition
| Insight | Mobile Pentium 4 2.66 | Athlon XP 3000+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
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 Athlon XP 3000+
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.
Athlon XP 3000+
The Athlon XP 3000+ is manufactured by AMD. It was released in Janeiro 2001 (24 years ago). It is based on the Barton (2001−2004) architecture. It features 1 cores and 1 threads. Max frequency: 2.17 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: A. Thermal design power (TDP): 68 Watt. Passmark benchmark score: 408 points. Launch price was $78.
Processing Power
The Mobile Pentium 4 2.66 packs 1 cores / 2 threads, matching the Athlon XP 3000+'s 1 cores. Boost clocks reach 2.67 GHz on the Mobile Pentium 4 2.66 versus 2.17 GHz on the Athlon XP 3000+ — a 20.7% 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 Athlon XP 3000+ uses Barton (2001−2004) (130 nm). In PassMark, the Mobile Pentium 4 2.66 scores 395 against the Athlon XP 3000+'s 408 — a 3.2% lead for the Athlon XP 3000+. Both processors carry 0 kB of L3 cache.
| Feature | Mobile Pentium 4 2.66 | Athlon XP 3000+ |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 1 |
| Boost Clock | 2.67 GHz+23% | 2.17 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB | 512 kB |
| Process | 130 nm | 130 nm |
| Architecture | Northwood (2002−2004) | Barton (2001−2004) |
| PassMark | 395 | 408+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 Athlon XP 3000+ uses A (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2 on the Mobile Pentium 4 2.66 versus DDR-333 on the Athlon XP 3000+ — the Mobile Pentium 4 2.66 supports -202.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4 GB of RAM. Both feature 1-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: 852PM,855PM (Mobile Pentium 4 2.66) and AMD Socket A (Athlon XP 3000+).
| Feature | Mobile Pentium 4 2.66 | Athlon XP 3000+ |
|---|---|---|
| Socket | PGA478 | A |
| PCIe Generation | PCIe 1.1 | PCIe 1.1 |
| Max RAM Speed | DDR2 | DDR-333 |
| Max RAM Capacity | 4 GB | 4 GB |
| RAM Channels | 1 | 1 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Virtualization: None (Mobile Pentium 4 2.66) / not specified (Athlon XP 3000+). Primary use case: Mobile Pentium 4 2.66 targets Legacy Laptop.
| Feature | Mobile Pentium 4 2.66 | Athlon XP 3000+ |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | None | — |
| Target Use | Legacy Laptop | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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