CPU
GPU
Mobile Athlon 64 3400+
Sempron 3800+
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 Mobile Athlon 64 3400+ is positioned at rank 1055 and the Sempron 3800+ is on rank 853, so the Sempron 3800+ offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Mobile Athlon 64 3400+
Performance Per Dollar Sempron 3800+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Mobile Athlon 64 3400+ | Sempron 3800+ |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Clawhammer (2001−2005) / Standard Node) | 🛑 Legacy (Manila (2001−2006) / 90 nm) |
💎 Value Proposition
| Insight | Mobile Athlon 64 3400+ | Sempron 3800+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Mobile Athlon 64 3400+ and Sempron 3800+
Mobile Athlon 64 3400+
The Mobile Athlon 64 3400+ is manufactured by AMD. It was released in Agosto 2005 (20 years ago). It is based on the Clawhammer (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L2 cache: 1 MB. Socket: 754. Thermal design power (TDP): 1 MB. Memory support: DDR1. Passmark benchmark score: 545 points. Launch price was $69.
Sempron 3800+
The Sempron 3800+ is manufactured by AMD. It was released in Outubro 2006 (19 years ago). It is based on the Manila (2001−2006) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 90 nm process technology. Socket: AM2. Thermal design power (TDP): 62 Watt. Passmark benchmark score: 528 points. Launch price was $21.
Processing Power
Both the Mobile Athlon 64 3400+ and Sempron 3800+ share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Mobile Athlon 64 3400+ versus 2.2 GHz on the Sempron 3800+ — identical boost frequencies. The Mobile Athlon 64 3400+ uses the Clawhammer (2001−2005) architecture, while the Sempron 3800+ uses Manila (2001−2006) (90 nm). In PassMark, the Mobile Athlon 64 3400+ scores 545 against the Sempron 3800+'s 528 — a 3.2% lead for the Mobile Athlon 64 3400+.
| Feature | Mobile Athlon 64 3400+ | Sempron 3800+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.2 GHz | 2.2 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 1 MB+300% | 256 kB |
| Process | — | 90 nm |
| Architecture | Clawhammer (2001−2005) | Manila (2001−2006) |
| PassMark | 545+3% | 528 |
Memory & Platform
The Mobile Athlon 64 3400+ uses the 754 socket (PCIe 1.1), while the Sempron 3800+ uses AM2 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Mobile Athlon 64 3400+ | Sempron 3800+ |
|---|---|---|
| Socket | 754 | AM2 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | 400 | — |
| Max RAM Capacity | 2 | — |
| RAM Channels | 1 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Advanced Features
Virtualization: false (Mobile Athlon 64 3400+) / not specified (Sempron 3800+). Direct competitor: Mobile Athlon 64 3400+ rivals Pentium M 735.
| Feature | Mobile Athlon 64 3400+ | Sempron 3800+ |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | false | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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