Athlon XP 2200+ vs Atom Z540
Athlon XP 2200+
Atom Z540
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 2200+ is positioned at rank 1121 and the Atom Z540 is on rank 334, so the Atom Z540 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 2200+
Performance Per Dollar Atom Z540
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon XP 2200+ | Atom Z540 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($30) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Thorton (2001−2003) / 130 nm) | 🛑 Legacy (Silverthorne (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Athlon XP 2200+ | Atom Z540 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($30) | ✅ 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 Athlon XP 2200+ and Atom Z540
Athlon XP 2200+
The Athlon XP 2200+ is manufactured by AMD. It was released in Janeiro 2001 (24 years ago). It is based on the Thorton (2001−2003) architecture. It features 1 cores and 1 threads. Max frequency: 1.8 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: 280 points. Launch price was $85.
Atom Z540
The Atom Z540 is manufactured by Intel. It was released in 2 April 2008 (17 years ago). It is based on the Silverthorne (2008−2010) architecture. It features 1 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 0.07 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 45 nm process technology. Socket: PBGA441. Thermal design power (TDP): 2.4 Watt. Passmark benchmark score: 305 points. Launch price was $160.
Processing Power
The Athlon XP 2200+ packs 1 cores / 1 threads, matching the Atom Z540's 1 cores. Boost clocks reach 1.8 GHz on the Athlon XP 2200+ versus 0.07 GHz on the Atom Z540 — a 185% clock advantage for the Athlon XP 2200+. The Athlon XP 2200+ uses the Thorton (2001−2003) architecture (130 nm), while the Atom Z540 uses Silverthorne (2008−2010) (45 nm). In PassMark, the Athlon XP 2200+ scores 280 against the Atom Z540's 305 — a 8.5% lead for the Atom Z540. Both processors carry 0 kB of L3 cache.
| Feature | Athlon XP 2200+ | Atom Z540 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 2 |
| Boost Clock | 1.8 GHz+2471% | 0.07 GHz |
| Base Clock | — | 1.86 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 256 kB | 512 kB+100% |
| Process | 130 nm | 45 nm-65% |
| Architecture | Thorton (2001−2003) | Silverthorne (2008−2010) |
| PassMark | 280 | 305+9% |
| Geekbench 6 Single | 200 | — |
| Geekbench 6 Multi | 200 | — |
Memory & Platform
The Athlon XP 2200+ uses the A socket (PCIe 1.1), while the Atom Z540 uses PBGA441 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR-266 on the Athlon XP 2200+ versus DDR2-533 on the Atom Z540 — the Atom Z540 supports -203% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 2 GB of RAM. Both feature 1-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: KT333,nForce2 (Athlon XP 2200+) and Intel US15W (Atom Z540).
| Feature | Athlon XP 2200+ | Atom Z540 |
|---|---|---|
| Socket | A | PBGA441 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR-266 | DDR2-533 |
| Max RAM Capacity | 2 GB | 2 GB |
| RAM Channels | 1 | 1 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Virtualization: None (Athlon XP 2200+) / not specified (Atom Z540). Primary use case: Athlon XP 2200+ targets Legacy Desktop.
| Feature | Athlon XP 2200+ | Atom Z540 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | None | — |
| Target Use | Legacy Desktop | — |
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