Xeon L5408 vs Athlon 64 X2 5800+
Xeon L5408
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 L5408 is positioned at rank 901 and the Athlon 64 X2 5800+ is on rank 1037, so the Xeon L5408 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon L5408
Performance Per Dollar Athlon 64 X2 5800+
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5408 | Athlon 64 X2 5800+ |
|---|---|---|
| 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 (Harpertown (2007−2008) / 45 nm) | 🛑 Legacy (Brisbane (2007−2008) / 65 nm) |
💎 Value Proposition
| Insight | Xeon L5408 | Athlon 64 X2 5800+ |
|---|---|---|
| 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 Xeon L5408 and Athlon 64 X2 5800+
Xeon L5408
The Xeon L5408 is manufactured by Intel. It was released in 2015-01-01. It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 2.133 GHz, with boost up to 0.13 GHz. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 40 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,769 points. Launch price was $800.
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 L5408 packs 4 cores / 4 threads, while the Athlon 64 X2 5800+ offers 2 cores / 2 threads — the Xeon L5408 has 2 more cores. Boost clocks reach 0.13 GHz on the Xeon L5408 versus 3 GHz on the Athlon 64 X2 5800+ — a 183.4% clock advantage for the Athlon 64 X2 5800+. The Xeon L5408 uses the Harpertown (2007−2008) architecture (45 nm), while the Athlon 64 X2 5800+ uses Brisbane (2007−2008) (65 nm). In PassMark, the Xeon L5408 scores 1,769 against the Athlon 64 X2 5800+'s 1,745 — a 1.4% lead for the Xeon L5408.
| Feature | Xeon L5408 | Athlon 64 X2 5800+ |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 0.13 GHz | 3 GHz+2208% |
| Base Clock | 2.133 GHz | — |
| L3 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 | 1,769+1% | 1,745 |
Memory & Platform
The Xeon L5408 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.
| Feature | Xeon L5408 | Athlon 64 X2 5800+ |
|---|---|---|
| Socket | LGA771 | AM2 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR2-800 |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 0 |
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