CPU
GPU
Athlon XP 2600+
Mobile Sempron SI-42
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 Athlon XP 2600+ is positioned at rank 1085 and the Mobile Sempron SI-42 is on rank 1175, so the Athlon XP 2600+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon XP 2600+
Performance Per Dollar Mobile Sempron SI-42
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon XP 2600+ | Mobile Sempron SI-42 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Barton (2001−2004) / 130 nm) | 🛑 Legacy (Sable (2008−2009) / 65 nm) |
💎 Value Proposition
| Insight | Athlon XP 2600+ | Mobile Sempron SI-42 |
|---|---|---|
| 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.
Path of Exile 2
Counter-Strike 2
League of Legends
Technical Specifications
Side-by-side comparison of Athlon XP 2600+ and Mobile Sempron SI-42
Athlon XP 2600+
The Athlon XP 2600+ 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: 1.92 GHz. L3 cache: 0 kB. L2 cache: 512K. Built on 130 nm process technology. Socket: A. Thermal design power (TDP): 68 Watt. Passmark benchmark score: 340 points. Launch price was $23.
Mobile Sempron SI-42
The Mobile Sempron SI-42 is manufactured by AMD. It was released in 1 September 2009 (16 years ago). It is based on the Sable (2008−2009) architecture. It features 1 cores and 1 threads. Max frequency: 2.1 GHz. L2 cache: 512 kB. Built on 65 nm process technology. Socket: S1g2. Thermal design power (TDP): 512 kB. Passmark benchmark score: 332 points. Launch price was $69.
Processing Power
Both the Athlon XP 2600+ and Mobile Sempron SI-42 share an identical 1-core/1-thread configuration. Boost clocks reach 1.92 GHz on the Athlon XP 2600+ versus 2.1 GHz on the Mobile Sempron SI-42 — a 9% clock advantage for the Mobile Sempron SI-42. The Athlon XP 2600+ uses the Barton (2001−2004) architecture (130 nm), while the Mobile Sempron SI-42 uses Sable (2008−2009) (65 nm). In PassMark, the Athlon XP 2600+ scores 340 against the Mobile Sempron SI-42's 332 — a 2.4% lead for the Athlon XP 2600+.
| Feature | Athlon XP 2600+ | Mobile Sempron SI-42 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.92 GHz | 2.1 GHz+9% |
| L3 Cache | 0 kB | — |
| L2 Cache | 512K | 512 kB |
| Process | 130 nm | 65 nm-50% |
| Architecture | Barton (2001−2004) | Sable (2008−2009) |
| PassMark | 340+2% | 332 |
Memory & Platform
The Athlon XP 2600+ uses the A socket (PCIe 1.1), while the Mobile Sempron SI-42 uses S1g2 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon XP 2600+ | Mobile Sempron SI-42 |
|---|---|---|
| Socket | A | S1g2 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR-333 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 1 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 0 | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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