CPU
GPU
Xeon E5420
Celeron N4505
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. The Xeon E5420 is positioned at rank #1033 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5420
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5420 | Celeron N4505 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($6,500) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) | ✨ Modern (Jasper Lake (2021) / 10 nm) |
💎 Value Proposition
| Insight | Xeon E5420 | Celeron N4505 |
|---|---|---|
| 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 Celeron N4505
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.
Celeron N4505
The Celeron N4505 is manufactured by Intel. It was released in 2007-01-01. It is based on the Jasper Lake (2021) architecture. It features 2 cores and 2 threads. Base frequency is 2 GHz, with boost up to 2.9 GHz. L3 cache: 4 MB (total). L2 cache: 1.5 MB (total). Built on 10 nm process technology. Socket: BGA1338. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 2,037 points. Launch price was $69.
Processing Power
The Xeon E5420 packs 4 cores / 4 threads, while the Celeron N4505 offers 2 cores / 2 threads — the Xeon E5420 has 2 more cores. Boost clocks reach 2.5 GHz on the Xeon E5420 versus 2.9 GHz on the Celeron N4505 — a 14.8% clock advantage for the Celeron N4505 (base: 2.5 GHz vs 2 GHz). The Xeon E5420 uses the Harpertown (2007−2008) architecture (45 nm), while the Celeron N4505 uses Jasper Lake (2021) (10 nm). In PassMark, the Xeon E5420 scores 2,044 against the Celeron N4505's 2,037 — a 0.3% lead for the Xeon E5420. L3 cache: 12 MB L2 Cache on the Xeon E5420 vs 4 MB (total) on the Celeron N4505.
| Feature | Xeon E5420 | Celeron N4505 |
|---|---|---|
| Cores / Threads | 4 / 4+100% | 2 / 2 |
| Boost Clock | 2.5 GHz | 2.9 GHz+16% |
| Base Clock | 2.5 GHz+25% | 2 GHz |
| L3 Cache | 12 MB L2 Cache+200% | 4 MB (total) |
| L2 Cache | 6 MB (total)+300% | 1.5 MB (total) |
| Process | 45 nm | 10 nm-78% |
| Architecture | Harpertown (2007−2008) | Jasper Lake (2021) |
| PassMark | 2,044 | 2,037 |
| Geekbench 6 Single | 314 | — |
| Geekbench 6 Multi | 881 | — |
Memory & Platform
The Xeon E5420 uses the LGA771 socket (PCIe 2.0), while the Celeron N4505 uses BGA1338 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5420 | Celeron N4505 |
|---|---|---|
| Socket | LGA771 | BGA1338 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| 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 (Celeron N4505).
| Feature | Xeon E5420 | Celeron N4505 |
|---|---|---|
| Integrated GPU | No | — |
| AVX-512 | No | — |
| Virtualization | Yes | — |
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