Athlon 64 2800+ vs Sempron 3400+
Athlon 64 2800+
Sempron 3400+
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 64 2800+ is positioned at rank 1098 and the Sempron 3400+ is on rank 907, 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 Athlon 64 2800+
Performance Per Dollar Sempron 3400+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 2800+ | Sempron 3400+ |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($15) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (NewCastle (2004) / 130 nm) | 🛑 Legacy (Palermo (2001−2005) / 90 nm) |
💎 Value Proposition
| Insight | Athlon 64 2800+ | Sempron 3400+ |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($15) | ✅ 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 64 2800+ and Sempron 3400+
Athlon 64 2800+
The Athlon 64 2800+ is manufactured by AMD. It was released in Abril 2004 (21 years ago). It is based on the NewCastle (2004) architecture. It features 1 cores and 1 threads. Max frequency: 1.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: 754. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 420 points. Launch price was $100.
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.
Processing Power
Both the Athlon 64 2800+ and Sempron 3400+ share an identical 1-core/1-thread configuration. Boost clocks reach 1.8 GHz on the Athlon 64 2800+ versus 2 GHz on the Sempron 3400+ — a 10.5% clock advantage for the Sempron 3400+. The Athlon 64 2800+ uses the NewCastle (2004) architecture (130 nm), while the Sempron 3400+ uses Palermo (2001−2005) (90 nm). In PassMark, the Athlon 64 2800+ scores 420 against the Sempron 3400+'s 433 — a 3% lead for the Sempron 3400+. Both processors carry 0 kB of L3 cache.
| Feature | Athlon 64 2800+ | Sempron 3400+ |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 1.8 GHz | 2 GHz+11% |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512 kB+300% | 128 kB |
| Process | 130 nm | 90 nm-31% |
| Architecture | NewCastle (2004) | Palermo (2001−2005) |
| PassMark | 420 | 433+3% |
Memory & Platform
The Athlon 64 2800+ uses the 754 socket (PCIe 1.1), while the Sempron 3400+ uses 939 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon 64 2800+ | Sempron 3400+ |
|---|---|---|
| Socket | 754 | 939 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR-400 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 1 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Athlon 64 2800+ and Sempron 3400+
