
Xeon 2.66 vs Mobile Athlon 64 3000+

Xeon 2.66

Mobile Athlon 64 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 Xeon 2.66 is positioned at rank 1028 and the Mobile Athlon 64 3000+ is on rank 980, so the Mobile Athlon 64 3000+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon 2.66
Performance Per Dollar Mobile Athlon 64 3000+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon 2.66 | Mobile Athlon 64 3000+ |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Prestonia (2002) / 130 nm) | 🛑 Legacy (Oakville (2003−2004) / Standard Node) |
💎 Value Proposition
| Insight | Xeon 2.66 | Mobile Athlon 64 3000+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
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 Xeon 2.66 and Mobile Athlon 64 3000+

Xeon 2.66
The Xeon 2.66 is manufactured by Intel. It was released in 2015-01-01. It is based on the Prestonia (2002) 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: PGA604. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 445 points. Launch price was $800.

Mobile Athlon 64 3000+
The Mobile Athlon 64 3000+ is manufactured by AMD. It was released in Agosto 2003 (22 years ago). It is based on the Oakville (2003−2004) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 512K. Socket: 754. Thermal design power (TDP): 512 kB. Memory support: DDR1. Passmark benchmark score: 450 points. Launch price was $69.
Processing Power
Both the Xeon 2.66 and Mobile Athlon 64 3000+ share an identical 1-core/1-thread configuration. Boost clocks reach 2.66 GHz on the Xeon 2.66 versus 2 GHz on the Mobile Athlon 64 3000+ — a 28.3% clock advantage for the Xeon 2.66. The Xeon 2.66 uses the Prestonia (2002) architecture (130 nm), while the Mobile Athlon 64 3000+ uses Oakville (2003−2004). In PassMark, the Xeon 2.66 scores 445 against the Mobile Athlon 64 3000+'s 450 — a 1.1% lead for the Mobile Athlon 64 3000+.
| Feature | Xeon 2.66 | Mobile Athlon 64 3000+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.66 GHz+33% | 2 GHz |
| L3 Cache | 0 kB | — |
| L2 Cache | 512 kB | 512K |
| Process | 130 nm | — |
| Architecture | Prestonia (2002) | Oakville (2003−2004) |
| PassMark | 445 | 450+1% |
Memory & Platform
The Xeon 2.66 uses the PGA604 socket (PCIe 2.0), while the Mobile Athlon 64 3000+ uses 754 (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Xeon 2.66 | Mobile Athlon 64 3000+ |
|---|---|---|
| Socket | PGA604 | 754 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | — | 400 |
| Max RAM Capacity | — | 2 |
| RAM Channels | — | 1 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Xeon 2.66) / false (Mobile Athlon 64 3000+). Direct competitor: Mobile Athlon 64 3000+ rivals Pentium M 735.
| Feature | Xeon 2.66 | Mobile Athlon 64 3000+ |
|---|---|---|
| Integrated GPU | — | No |
| IGPU Model | — | None |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | false |
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