CPU
GPU
Athlon XP 2800+
Mobile Sempron 3300+
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 2800+ is positioned at rank 1125 and the Mobile Sempron 3300+ is on rank 1148, so the Athlon XP 2800+ 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 2800+
Performance Per Dollar Mobile Sempron 3300+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon XP 2800+ | Mobile Sempron 3300+ |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($35) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Barton (2001−2004) / 130 nm) | 🛑 Legacy (Roma (2005) / 90 nm) |
💎 Value Proposition
| Insight | Athlon XP 2800+ | Mobile Sempron 3300+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($35) | ✅ 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 2800+ and Mobile Sempron 3300+
Athlon XP 2800+
The Athlon XP 2800+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Barton (2001−2004) architecture. It features 1 cores and 1 threads. Max frequency: 2.25 GHz. L3 cache: 0 kB. L2 cache: 512K. Built on 130 nm process technology. Socket: A. Thermal design power (TDP): 74 Watt. Passmark benchmark score: 380 points. Launch price was $149.
Mobile Sempron 3300+
The Mobile Sempron 3300+ is manufactured by AMD. It was released in 1 June 2005 (20 years ago). It is based on the Roma (2005) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 128 kB. Built on 90 nm process technology. Socket: 745. Thermal design power (TDP): 128 kB. Passmark benchmark score: 376 points. Launch price was $69.
Processing Power
Both the Athlon XP 2800+ and Mobile Sempron 3300+ share an identical 1-core/1-thread configuration. Boost clocks reach 2.25 GHz on the Athlon XP 2800+ versus 2 GHz on the Mobile Sempron 3300+ — a 11.8% clock advantage for the Athlon XP 2800+. The Athlon XP 2800+ uses the Barton (2001−2004) architecture (130 nm), while the Mobile Sempron 3300+ uses Roma (2005) (90 nm). In PassMark, the Athlon XP 2800+ scores 380 against the Mobile Sempron 3300+'s 376 — a 1.1% lead for the Athlon XP 2800+.
| Feature | Athlon XP 2800+ | Mobile Sempron 3300+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.25 GHz+13% | 2 GHz |
| L3 Cache | 0 kB | — |
| L2 Cache | 512K+300% | 128 kB |
| Process | 130 nm | 90 nm-31% |
| Architecture | Barton (2001−2004) | Roma (2005) |
| PassMark | 380+1% | 376 |
| Geekbench 6 Single | 250 | — |
| Geekbench 6 Multi | 250 | — |
Memory & Platform
The Athlon XP 2800+ uses the A socket (PCIe 1.1), while the Mobile Sempron 3300+ uses 745 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon XP 2800+ | Mobile Sempron 3300+ |
|---|---|---|
| Socket | A | 745 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR-333 | — |
| Max RAM Capacity | 2 GB | — |
| RAM Channels | 1 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Advanced Features
Virtualization: None (Athlon XP 2800+) / not specified (Mobile Sempron 3300+). Primary use case: Athlon XP 2800+ targets Legacy Desktop.
| Feature | Athlon XP 2800+ | Mobile Sempron 3300+ |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | None | — |
| Target Use | Legacy Desktop | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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