Athlon XP 2400+
Mobile Sempron SI-40
Athlon XP 2400+ vs Mobile Sempron SI-40 Performance Spectrum
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.
Athlon XP 2400+ vs Mobile Sempron SI-40 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.
Path of Exile 2
Counter-Strike 2
League of Legends
Valorant
Among Us
Civilization VI
Elden Ring
Genshin Impact
Grand Theft Auto V
Athlon XP 2400+ vs Mobile Sempron SI-40: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Athlon XP 2400+
2002Why buy it
- ✅Draws 68W instead of 512W, a 444W reduction.
Trade-offs
- ❌Lower PassMark (305 vs 322).
- ❌Launch MSRP is still $193 MSRP, while Mobile Sempron SI-40 mostly shows up through inconsistent older-market listings.
Mobile Sempron SI-40
2008Why buy it
- ✅+5.6% higher PassMark.
Trade-offs
- ❌652.9% higher power demand at 512W vs 68W.
Quick Answers
So, is Mobile Sempron SI-40 better than Athlon XP 2400+?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Athlon XP 2400+ vs Mobile Sempron SI-40 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Athlon XP 2400+
The Athlon XP 2400+ is manufactured by AMD. It was released in Agosto 2002 (23 years ago). It is based on the Thorton (2001−2003) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: A. Thermal design power (TDP): 68 Watt. Passmark benchmark score: 305 points. Launch price was $90.
Mobile Sempron SI-40
The Mobile Sempron SI-40 is manufactured by AMD. It was released in 4 July 2008 (17 years ago). It is based on the Sable (2008−2009) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 512 kB. Built on 65 nm process technology. Socket: S1g2. Thermal design power (TDP): 512 kB. Passmark benchmark score: 322 points. Launch price was $69.
Processing Power
Both the Athlon XP 2400+ and Mobile Sempron SI-40 share an identical 1-core/1-thread configuration. Boost clocks reach 2 GHz on the Athlon XP 2400+ versus 2 GHz on the Mobile Sempron SI-40 — identical boost frequencies. The Athlon XP 2400+ uses the Thorton (2001−2003) architecture (130 nm), while the Mobile Sempron SI-40 uses Sable (2008−2009) (65 nm). In PassMark, the Athlon XP 2400+ scores 305 against the Mobile Sempron SI-40's 322 — a 5.4% lead for the Mobile Sempron SI-40.
| Feature | Athlon XP 2400+ | Mobile Sempron SI-40 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2 GHz | 2 GHz |
| L3 Cache | 0 kB | — |
| L2 Cache | 256 kB | 512 kB+100% |
| Process | 130 nm | 65 nm-50% |
| Architecture | Thorton (2001−2003) | Sable (2008−2009) |
| PassMark | 305 | 322+6% |
Memory & Platform
The Athlon XP 2400+ uses the A socket (PCIe 1.1), while the Mobile Sempron SI-40 uses S1g2 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon XP 2400+ | Mobile Sempron SI-40 |
|---|---|---|
| Socket | A | S1g2 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR-266 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 1 | — |
| ECC Support | Yes | — |
| PCIe Lanes | 0 | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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