Xeon 5150 vs Phenom II X3 P820
Xeon 5150
Phenom II X3 P820
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 5150 is positioned at rank 921 and the Phenom II X3 P820 is on rank 419, so the Phenom II X3 P820 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon 5150
Performance Per Dollar Phenom II X3 P820
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon 5150 | Phenom II X3 P820 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Woodcrest (2006) / 65 nm) | 🛑 Legacy (Champlain (2010−2011) / 45 nm) |
💎 Value Proposition
| Insight | Xeon 5150 | Phenom II X3 P820 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| 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 5150 and Phenom II X3 P820
Xeon 5150
The Xeon 5150 is manufactured by Intel. It was released in Junho 2006 (19 years ago). It is based on the Woodcrest (2006) architecture. It features 2 cores and 2 threads. Base frequency is 2.66 GHz, with boost up to 2.67 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 65 Watt. Memory support: DDR2. Passmark benchmark score: 1,555 points. Launch price was $16.
Phenom II X3 P820
The Phenom II X3 P820 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 3 cores and 3 threads. Max frequency: 1.8 GHz. L2 cache: 1.5 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1.5 MB. Memory support: DDR3. Passmark benchmark score: 1,560 points. Launch price was $149.
Processing Power
The Xeon 5150 packs 2 cores / 2 threads, while the Phenom II X3 P820 offers 3 cores / 3 threads — the Phenom II X3 P820 has 1 more core. Boost clocks reach 2.67 GHz on the Xeon 5150 versus 1.8 GHz on the Phenom II X3 P820 — a 38.9% clock advantage for the Xeon 5150. The Xeon 5150 uses the Woodcrest (2006) architecture (65 nm), while the Phenom II X3 P820 uses Champlain (2010−2011) (45 nm). In PassMark, the Xeon 5150 scores 1,555 against the Phenom II X3 P820's 1,560 — a 0.3% lead for the Phenom II X3 P820.
| Feature | Xeon 5150 | Phenom II X3 P820 |
|---|---|---|
| Cores / Threads | 2 / 2 | 3 / 3+50% |
| Boost Clock | 2.67 GHz+48% | 1.8 GHz |
| Base Clock | 2.66 GHz | — |
| L3 Cache | 0 kB | — |
| L2 Cache | 4 MB+167% | 1.5 MB |
| Process | 65 nm | 45 nm-31% |
| Architecture | Woodcrest (2006) | Champlain (2010−2011) |
| PassMark | 1,555 | 1,560 |
Memory & Platform
The Xeon 5150 uses the LGA771 socket (PCIe 2.0), while the Phenom II X3 P820 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon 5150 | Phenom II X3 P820 |
|---|---|---|
| Socket | LGA771 | S1 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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