Xeon E5420 vs Turion II P520
Xeon E5420
Turion II P520
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 E5420 is positioned at rank 1033 and the Turion II P520 is on rank 281, so the Turion II P520 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5420
Performance Per Dollar Turion II P520
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5420 | Turion II P520 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($6,500) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) | 🛑 Legacy (Champlain (2010−2011) / 45 nm) |
💎 Value Proposition
| Insight | Xeon E5420 | Turion II P520 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($6,500) | ✅ 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 Xeon E5420 and Turion II P520
Xeon E5420
The Xeon E5420 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 2.5 GHz, with boost up to 2.5 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: 2,044 points. Launch price was $316.
Turion II P520
The Turion II P520 is manufactured by AMD. It was released in 2007-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 2.3 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1g4. Thermal design power (TDP): 2 MB. Memory support: DDR3. Passmark benchmark score: 2,047 points. Launch price was $69.
Processing Power
The Xeon E5420 packs 4 cores / 4 threads, while the Turion II P520 offers 2 cores / 2 threads — the Xeon E5420 has 2 more cores. Boost clocks reach 2.5 GHz on the Xeon E5420 versus 2.3 GHz on the Turion II P520 — a 8.3% clock advantage for the Xeon E5420. The Xeon E5420 uses the Harpertown (2007−2008) architecture (45 nm), while the Turion II P520 uses Champlain (2010−2011) (45 nm). In PassMark, the Xeon E5420 scores 2,044 against the Turion II P520's 2,047 — a 0.1% lead for the Turion II P520.
| Feature | Xeon E5420 | Turion II P520 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.5 GHz+9% | 2.3 GHz |
| Base Clock | 2.5 GHz | — |
| L3 Cache | 12 MB L2 Cache | — |
| L2 Cache | 6 MB (total)+200% | 2 MB |
| Process | 45 nm | 45 nm |
| Architecture | Harpertown (2007−2008) | Champlain (2010−2011) |
| PassMark | 2,044 | 2,047 |
| Geekbench 6 Single | 314 | — |
| Geekbench 6 Multi | 881 | — |
Memory & Platform
The Xeon E5420 uses the LGA771 socket (PCIe 2.0), while the Turion II P520 uses S1g4 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5420 | Turion II P520 |
|---|---|---|
| Socket | LGA771 | S1g4 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR2-667 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 4 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 32 | — |
Advanced Features
Virtualization: Yes (Xeon E5420) / not specified (Turion II P520).
| Feature | Xeon E5420 | Turion II P520 |
|---|---|---|
| Integrated GPU | No | — |
| AVX-512 | No | — |
| Virtualization | Yes | — |
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