CPU
GPU
Xeon E5405
Athlon II P320
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 II P320 is on rank 622, so the Athlon II P320 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 II P320
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5405 | Athlon II P320 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) | 🛑 Legacy (Champlain (2010−2011) / 45 nm) |
💎 Value Proposition
| Insight | Xeon E5405 | Athlon II P320 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1%) |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 II P320
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 II P320
The Athlon II P320 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 2.1 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1g4. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,776 points. Launch price was $149.
Processing Power
The Xeon E5405 packs 4 cores / 4 threads, while the Athlon II P320 offers 2 cores / 2 threads — the Xeon E5405 has 2 more cores. Boost clocks reach 2 GHz on the Xeon E5405 versus 2.1 GHz on the Athlon II P320 — a 4.9% clock advantage for the Athlon II P320. The Xeon E5405 uses the Harpertown (2007−2008) architecture (45 nm), while the Athlon II P320 uses Champlain (2010−2011) (45 nm). In PassMark, the Xeon E5405 scores 1,753 against the Athlon II P320's 1,776 — a 1.3% lead for the Athlon II P320.
| Feature | Xeon E5405 | Athlon II P320 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2 GHz | 2.1 GHz+5% |
| Base Clock | 2 GHz | — |
| L3 Cache | 12 MB L2 Cache | — |
| L2 Cache | 6 MB (total)+500% | 1 MB |
| Process | 45 nm | 45 nm |
| Architecture | Harpertown (2007−2008) | Champlain (2010−2011) |
| PassMark | 1,753 | 1,776+1% |
| Geekbench 6 Single | — | 189 |
| Geekbench 6 Multi | — | 308 |
Memory & Platform
The Xeon E5405 uses the LGA771 socket (PCIe 2.0), while the Athlon II P320 uses S1g4 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-667 on the Xeon E5405 versus DDR3-1066 on the Athlon II P320 — the Athlon II P320 supports 40% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5405 supports up to 32 GB of RAM compared to 8 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes.
| Feature | Xeon E5405 | Athlon II P320 |
|---|---|---|
| Socket | LGA771 | S1g4 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR2-667 | DDR3-1066+50% |
| Max RAM Capacity | 32 GB+300% | 8 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | 0 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x (Xeon E5405) vs AMD-V (Athlon II P320). Primary use case: Xeon E5405 targets Server, Athlon II P320 targets Laptop. Direct competitor: Athlon II P320 rivals Pentium P6000.
| Feature | Xeon E5405 | Athlon II P320 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | — | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x | AMD-V |
| Target Use | Server | Laptop |
Value Analysis
The Xeon E5405 launched at $209 MSRP, while the Athlon II P320 debuted at $50. At current prices ($15 vs $15), the Athlon II P320 is $0 cheaper. In terms of value (PassMark points per dollar), the Xeon E5405 delivers 116.9 pts/$ vs 118.4 pts/$ for the Athlon II P320 — making the Athlon II P320 the 1.3% better value option.
| Feature | Xeon E5405 | Athlon II P320 |
|---|---|---|
| MSRP | $209 | $50-76% |
| Avg Price (30d) | $15 | $15 |
| Performance per Dollar | 116.9 | 118.4+1% |
| Release Date | 2007 | 2010 |
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