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