
Xeon L5335 vs Xeon E5405

Xeon L5335

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 L5335 is positioned at rank 995 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 Xeon L5335
Performance Per Dollar Xeon E5405
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5335 | Xeon E5405 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($18) | ✅ More affordable ($15) |
| Longevity | 🛑 Legacy (Clovertown (2006−2007) / 65 nm) | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) |
💎 Value Proposition
| Insight | Xeon L5335 | Xeon E5405 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+21%) |
| Upfront Cost | ⚠️ Higher cost ($18) | ✅ 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 Xeon L5335 and Xeon E5405

Xeon L5335
The Xeon L5335 is manufactured by Intel. It was released in 13 August 2007 (18 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 50 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,737 points. Launch price was $380.

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 L5335 and Xeon E5405 share an identical 4-core/4-thread configuration. Boost clocks reach 2 GHz on the Xeon L5335 versus 2 GHz on the Xeon E5405 — identical boost frequencies (base: 2 GHz vs 2 GHz). The Xeon L5335 uses the Clovertown (2006−2007) architecture (65 nm), while the Xeon E5405 uses Harpertown (2007−2008) (45 nm). In PassMark, the Xeon L5335 scores 1,737 against the Xeon E5405's 1,753 — a 0.9% lead for the Xeon E5405. L3 cache: 8 MB L2 Cache on the Xeon L5335 vs 12 MB L2 Cache on the Xeon E5405.
| Feature | Xeon L5335 | Xeon E5405 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 2 GHz | 2 GHz |
| Base Clock | 2 GHz | 2 GHz |
| L3 Cache | 8 MB L2 Cache | 12 MB L2 Cache+50% |
| L2 Cache | 4 MB (total) | 6 MB (total)+50% |
| Process | 65 nm | 45 nm-31% |
| Architecture | Clovertown (2006−2007) | Harpertown (2007−2008) |
| PassMark | 1,737 | 1,753 |
Memory & Platform
Both processors use the LGA771 socket with PCIe 2.0.
| Feature | Xeon L5335 | 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 L5335) / VT-x (Xeon E5405). Primary use case: Xeon E5405 targets Server.
| Feature | Xeon L5335 | Xeon E5405 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x |
| Target Use | — | Server |
Value Analysis
The Xeon L5335 launched at $380 MSRP, while the Xeon E5405 debuted at $209. At current prices ($18 vs $15), the Xeon E5405 is $3 cheaper. In terms of value (PassMark points per dollar), the Xeon L5335 delivers 96.5 pts/$ vs 116.9 pts/$ for the Xeon E5405 — making the Xeon E5405 the 19.1% better value option.
| Feature | Xeon L5335 | Xeon E5405 |
|---|---|---|
| MSRP | $380 | $209-45% |
| Avg Price (30d) | $18 | $15-17% |
| Performance per Dollar | 96.5 | 116.9+21% |
| Release Date | 2007 | 2007 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.















