CPU
GPU
Sempron 3400+
Athlon XP 3100+
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 Sempron 3400+ is positioned at rank 907 and the Athlon XP 3100+ is on rank 1096, so the Sempron 3400+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Sempron 3400+
Performance Per Dollar Athlon XP 3100+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Sempron 3400+ | Athlon XP 3100+ |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
| Longevity | 🛑 Legacy (Palermo (2001−2005) / 90 nm) | 🛑 Legacy (Thorton (2001−2003) / 130 nm) |
💎 Value Proposition
| Insight | Sempron 3400+ | Athlon XP 3100+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($20) |
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 Sempron 3400+ and Athlon XP 3100+
Sempron 3400+
The Sempron 3400+ is manufactured by AMD. It was released in 1 October 2005 (20 years ago). It is based on the Palermo (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 128 kB. Built on 90 nm process technology. Socket: 939. Thermal design power (TDP): 62 Watt. Memory support: DDR1. Passmark benchmark score: 433 points. Launch price was $30.
Athlon XP 3100+
The Athlon XP 3100+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Thorton (2001−2003) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 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: 425 points. Launch price was $149.
Processing Power
Both the Sempron 3400+ and Athlon XP 3100+ share an identical 1-core/1-thread configuration. Boost clocks reach 2 GHz on the Sempron 3400+ versus 2.2 GHz on the Athlon XP 3100+ — a 9.5% clock advantage for the Athlon XP 3100+. The Sempron 3400+ uses the Palermo (2001−2005) architecture (90 nm), while the Athlon XP 3100+ uses Thorton (2001−2003) (130 nm). In PassMark, the Sempron 3400+ scores 433 against the Athlon XP 3100+'s 425 — a 1.9% lead for the Sempron 3400+. Both processors carry 0 kB of L3 cache.
| Feature | Sempron 3400+ | Athlon XP 3100+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2 GHz | 2.2 GHz+10% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 128 kB | 256 kB+100% |
| Process | 90 nm-31% | 130 nm |
| Architecture | Palermo (2001−2005) | Thorton (2001−2003) |
| PassMark | 433+2% | 425 |
Memory & Platform
The Sempron 3400+ uses the 939 socket (PCIe 2.0), while the Athlon XP 3100+ uses A (PCIe 1.1) — making them incompatible on the same motherboard.
| Feature | Sempron 3400+ | Athlon XP 3100+ |
|---|---|---|
| Socket | 939 | A |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| 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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