CPU
GPU
Athlon 64 X2 5800+
Xeon E5405
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 X2 5800+ is positioned at rank 1037 and the Xeon E5405 is on rank 906, so the Xeon E5405 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 X2 5800+
Performance Per Dollar Xeon E5405
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 X2 5800+ | Xeon E5405 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($20) | ✅ More affordable ($15) |
| Longevity | 🛑 Legacy (Brisbane (2007−2008) / 65 nm) | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) |
💎 Value Proposition
| Insight | Athlon 64 X2 5800+ | Xeon E5405 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+34%) |
| Upfront Cost | ⚠️ Higher cost ($20) | ✅ More affordable ($15) |
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 X2 5800+ and Xeon E5405
Athlon 64 X2 5800+
The Athlon 64 X2 5800+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Brisbane (2007−2008) architecture. It features 2 cores and 2 threads. Max frequency: 3 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 1,745 points. Launch price was $149.
Xeon E5405
The Xeon E5405 is manufactured by Intel. It was released in 11 November 2007 (18 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,753 points. Launch price was $209.
Processing Power
The Athlon 64 X2 5800+ packs 2 cores / 2 threads, while the Xeon E5405 offers 4 cores / 4 threads — the Xeon E5405 has 2 more cores. Boost clocks reach 3 GHz on the Athlon 64 X2 5800+ versus 2 GHz on the Xeon E5405 — a 40% clock advantage for the Athlon 64 X2 5800+. The Athlon 64 X2 5800+ uses the Brisbane (2007−2008) architecture (65 nm), while the Xeon E5405 uses Harpertown (2007−2008) (45 nm). In PassMark, the Athlon 64 X2 5800+ scores 1,745 against the Xeon E5405's 1,753 — a 0.5% lead for the Xeon E5405. L3 cache: 0 kB on the Athlon 64 X2 5800+ vs 12 MB L2 Cache on the Xeon E5405.
| Feature | Athlon 64 X2 5800+ | Xeon E5405 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 3 GHz+50% | 2 GHz |
| Base Clock | — | 2 GHz |
| L3 Cache | 0 kB | 12 MB L2 Cache |
| L2 Cache | 512 kB | 6 MB (total)+1100% |
| Process | 65 nm | 45 nm-31% |
| Architecture | Brisbane (2007−2008) | Harpertown (2007−2008) |
| PassMark | 1,745 | 1,753 |
Memory & Platform
The Athlon 64 X2 5800+ uses the AM2 socket (PCIe 2.0), while the Xeon E5405 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR2-800 memory speed. The Xeon E5405 supports up to 32 GB of RAM compared to 16 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes.
| Feature | Athlon 64 X2 5800+ | Xeon E5405 |
|---|---|---|
| Socket | AM2 | LGA771 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR2-800 | DDR2-667 |
| Max RAM Capacity | 16 GB | 32 GB+100% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Virtualization: not specified (Athlon 64 X2 5800+) / VT-x (Xeon E5405). Primary use case: Xeon E5405 targets Server.
| Feature | Athlon 64 X2 5800+ | Xeon E5405 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Server |
Value Analysis
The Athlon 64 X2 5800+ launched at $230 MSRP, while the Xeon E5405 debuted at $209. At current prices ($20 vs $15), the Xeon E5405 is $5 cheaper. In terms of value (PassMark points per dollar), the Athlon 64 X2 5800+ delivers 87.3 pts/$ vs 116.9 pts/$ for the Xeon E5405 — making the Xeon E5405 the 29% better value option.
| Feature | Athlon 64 X2 5800+ | Xeon E5405 |
|---|---|---|
| MSRP | $230 | $209-9% |
| Avg Price (30d) | $20 | $15-25% |
| Performance per Dollar | 87.3 | 116.9+34% |
| Release Date | 2008 | 2007 |
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