Xeon L5408 vs Xeon E5405
Xeon L5408
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 Xeon L5408 is positioned at rank 901 and the Xeon E5405 is on rank 906, 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 Xeon E5405
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5408 | Xeon E5405 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($15) |
| Longevity | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) |
💎 Value Proposition
| Insight | Xeon L5408 | Xeon E5405 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($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 Xeon L5408 and Xeon E5405
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.
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
Both the Xeon L5408 and Xeon E5405 share an identical 4-core/4-thread configuration. Boost clocks reach 0.13 GHz on the Xeon L5408 versus 2 GHz on the Xeon E5405 — a 175.6% clock advantage for the Xeon E5405 (base: 2.133 GHz vs 2 GHz). Both are built on the Harpertown (2007−2008) architecture using a 45 nm process. In PassMark, the Xeon L5408 scores 1,769 against the Xeon E5405's 1,753 — a 0.9% lead for the Xeon L5408.
| Feature | Xeon L5408 | Xeon E5405 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 0.13 GHz | 2 GHz+1438% |
| Base Clock | 2.133 GHz+7% | 2 GHz |
| L3 Cache | — | 12 MB L2 Cache |
| L2 Cache | 6 MB (total) | 6 MB (total) |
| Process | 45 nm | 45 nm |
| Architecture | Harpertown (2007−2008) | Harpertown (2007−2008) |
| PassMark | 1,769 | 1,753 |
Memory & Platform
Both processors use the LGA771 socket with PCIe 2.0.
| Feature | Xeon L5408 | Xeon E5405 |
|---|---|---|
| Socket | LGA771 | LGA771 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | — | DDR2-667 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 0 |
Advanced Features
Virtualization: not specified (Xeon L5408) / VT-x (Xeon E5405). Primary use case: Xeon E5405 targets Server.
| Feature | Xeon L5408 | Xeon E5405 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Server |
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