
Pentium P6000 vs Xeon E5420

Pentium P6000

Xeon E5420
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 Pentium P6000 is positioned at rank 1005 and the Xeon E5420 is on rank 1033, so the Pentium P6000 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium P6000
Performance Per Dollar Xeon E5420
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium P6000 | Xeon E5420 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($90) | ⚠️ Higher cost ($6,500) |
| Longevity | 🛑 Legacy (Arrandale (2010−2011) / 32 nm) | 🛑 Legacy (Harpertown (2007−2008) / 45 nm) |
💎 Value Proposition
| Insight | Pentium P6000 | Xeon E5420 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+7147%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($90) | ⚠️ Higher cost ($6,500) |
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 Pentium P6000 and Xeon E5420

Pentium P6000
The Pentium P6000 is manufactured by Intel. It was released in 2007-01-01. It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 1.88 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 32 nm process technology. Socket: PGA988. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 2,051 points. Launch price was $69.

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.
Processing Power
The Pentium P6000 packs 2 cores / 2 threads, while the Xeon E5420 offers 4 cores / 4 threads — the Xeon E5420 has 2 more cores. Boost clocks reach 1.88 GHz on the Pentium P6000 versus 2.5 GHz on the Xeon E5420 — a 28.3% clock advantage for the Xeon E5420 (base: 1.86 GHz vs 2.5 GHz). The Pentium P6000 uses the Arrandale (2010−2011) architecture (32 nm), while the Xeon E5420 uses Harpertown (2007−2008) (45 nm). In PassMark, the Pentium P6000 scores 2,051 against the Xeon E5420's 2,044 — a 0.3% lead for the Pentium P6000. L3 cache: 3 MB (total) on the Pentium P6000 vs 12 MB L2 Cache on the Xeon E5420.
| Feature | Pentium P6000 | Xeon E5420 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 4+100% |
| Boost Clock | 1.88 GHz | 2.5 GHz+33% |
| Base Clock | 1.86 GHz | 2.5 GHz+34% |
| L3 Cache | 3 MB (total) | 12 MB L2 Cache+300% |
| L2 Cache | 256K (per core) | 6 MB (total)+2300% |
| Process | 32 nm-29% | 45 nm |
| Architecture | Arrandale (2010−2011) | Harpertown (2007−2008) |
| PassMark | 2,051 | 2,044 |
| Geekbench 6 Single | — | 314 |
| Geekbench 6 Multi | — | 881 |
Memory & Platform
The Pentium P6000 uses the PGA988 socket (PCIe 2.0), while the Xeon E5420 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium P6000 | Xeon E5420 |
|---|---|---|
| Socket | PGA988 | LGA771 |
| 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: not specified (Pentium P6000) / Yes (Xeon E5420).
| Feature | Pentium P6000 | Xeon E5420 |
|---|---|---|
| Integrated GPU | — | No |
| AVX-512 | — | No |
| Virtualization | — | Yes |
Value Analysis
The Pentium P6000 launched at $150 MSRP, while the Xeon E5420 debuted at $7214. At current prices ($90 vs $6500), the Pentium P6000 is $6410 cheaper. In terms of value (PassMark points per dollar), the Pentium P6000 delivers 22.8 pts/$ vs 0.3 pts/$ for the Xeon E5420 — making the Pentium P6000 the 194.6% better value option.
| Feature | Pentium P6000 | Xeon E5420 |
|---|---|---|
| MSRP | $150-98% | $7214 |
| Avg Price (30d) | $90-99% | $6500 |
| Performance per Dollar | 22.8+7500% | 0.3 |
| Release Date | 2010 | 2007 |
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