CPU
GPU
Athlon 64 X2 5800+
Xeon L5408
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 L5408 is on rank 901, 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 Athlon 64 X2 5800+
Performance Per Dollar Xeon L5408
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon 64 X2 5800+ | Xeon L5408 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($20) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Brisbane (2007−2008) / 65 nm) | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) |
💎 Value Proposition
| Insight | Athlon 64 X2 5800+ | Xeon L5408 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($20) | ✅ 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 X2 5800+ and Xeon L5408
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 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.
Processing Power
The Athlon 64 X2 5800+ packs 2 cores / 2 threads, while the Xeon L5408 offers 4 cores / 4 threads — the Xeon L5408 has 2 more cores. Boost clocks reach 3 GHz on the Athlon 64 X2 5800+ versus 0.13 GHz on the Xeon L5408 — a 183.4% clock advantage for the Athlon 64 X2 5800+. The Athlon 64 X2 5800+ uses the Brisbane (2007−2008) architecture (65 nm), while the Xeon L5408 uses Harpertown (2007−2008) (45 nm). In PassMark, the Athlon 64 X2 5800+ scores 1,745 against the Xeon L5408's 1,769 — a 1.4% lead for the Xeon L5408.
| Feature | Athlon 64 X2 5800+ | Xeon L5408 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 3 GHz+2208% | 0.13 GHz |
| Base Clock | — | 2.133 GHz |
| L3 Cache | 0 kB | — |
| L2 Cache | 512 kB | 6 MB (total)+1100% |
| Process | 65 nm | 45 nm-31% |
| Architecture | Brisbane (2007−2008) | Harpertown (2007−2008) |
| PassMark | 1,745 | 1,769+1% |
Memory & Platform
The Athlon 64 X2 5800+ uses the AM2 socket (PCIe 2.0), while the Xeon L5408 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Athlon 64 X2 5800+ | Xeon L5408 |
|---|---|---|
| Socket | AM2 | LGA771 |
| 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 | — |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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