Mobile Pentium 4 2.66 vs Athlon 64 2600+
Mobile Pentium 4 2.66
Athlon 64 2600+
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 64 2600+ is on rank 1080, 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 64 2600+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Mobile Pentium 4 2.66 | Athlon 64 2600+ |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
| Longevity | 🛑 Legacy (Northwood (2002−2004) / 130 nm) | 🛑 Legacy (Lima (2008−2009) / 65 nm) |
💎 Value Proposition
| Insight | Mobile Pentium 4 2.66 | Athlon 64 2600+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($5) |
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 64 2600+
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 64 2600+
The Athlon 64 2600+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Lima (2008−2009) architecture. It features 1 cores and 1 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 15 Watt. Passmark benchmark score: 392 points. Launch price was $149.
Processing Power
The Mobile Pentium 4 2.66 packs 1 cores / 2 threads, matching the Athlon 64 2600+'s 1 cores. Boost clocks reach 2.67 GHz on the Mobile Pentium 4 2.66 versus 1.6 GHz on the Athlon 64 2600+ — a 50.1% 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 64 2600+ uses Lima (2008−2009) (65 nm). In PassMark, the Mobile Pentium 4 2.66 scores 395 against the Athlon 64 2600+'s 392 — a 0.8% lead for the Mobile Pentium 4 2.66. Both processors carry 0 kB of L3 cache.
| Feature | Mobile Pentium 4 2.66 | Athlon 64 2600+ |
|---|---|---|
| Cores / Threads | 1 / 2 | 1 / 1 |
| Boost Clock | 2.67 GHz+67% | 1.6 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB | 512 kB |
| Process | 130 nm | 65 nm-50% |
| Architecture | Northwood (2002−2004) | Lima (2008−2009) |
| PassMark | 395 | 392 |
| 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 64 2600+ uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR2 memory speed. The Athlon 64 2600+ supports up to 16 GB of RAM compared to 4 GB — 120% more capacity for professional workloads. Memory channels: 1 (Mobile Pentium 4 2.66) vs 2 (Athlon 64 2600+). Both provide 0 PCIe lanes. Chipset compatibility: 852PM,855PM (Mobile Pentium 4 2.66) and AMD AM2 (Athlon 64 2600+).
| Feature | Mobile Pentium 4 2.66 | Athlon 64 2600+ |
|---|---|---|
| Socket | PGA478 | AM2 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2 | DDR2-667 |
| Max RAM Capacity | 4 GB | 16 GB+300% |
| RAM Channels | 1 | 2+100% |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Virtualization: None (Mobile Pentium 4 2.66) / not specified (Athlon 64 2600+). Primary use case: Mobile Pentium 4 2.66 targets Legacy Laptop.
| Feature | Mobile Pentium 4 2.66 | Athlon 64 2600+ |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | None | — |
| Target Use | Legacy Laptop | — |
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