Phenom II X3 P840 vs Xeon L5639
Phenom II X3 P840
Xeon L5639
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 Phenom II X3 P840 is positioned at rank 45 and the Xeon L5639 is on rank 595, so the Phenom II X3 P840 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Phenom II X3 P840
Performance Per Dollar Xeon L5639
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Phenom II X3 P840 | Xeon L5639 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Champlain (2010−2011) / 45 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Phenom II X3 P840 | Xeon L5639 |
|---|---|---|
| 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 Phenom II X3 P840 and Xeon L5639
Phenom II X3 P840
The Phenom II X3 P840 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: 1.9 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: 4,425 points. Launch price was $149.
Xeon L5639
The Xeon L5639 is manufactured by Intel. It was released in 2015-01-01. It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.133 GHz, with boost up to 2.67 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 4,419 points. Launch price was $800.
Processing Power
The Phenom II X3 P840 packs 3 cores / 3 threads, while the Xeon L5639 offers 6 cores / 12 threads — the Xeon L5639 has 3 more cores. Boost clocks reach 1.9 GHz on the Phenom II X3 P840 versus 2.67 GHz on the Xeon L5639 — a 33.7% clock advantage for the Xeon L5639. The Phenom II X3 P840 uses the Champlain (2010−2011) architecture (45 nm), while the Xeon L5639 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Phenom II X3 P840 scores 4,425 against the Xeon L5639's 4,419 — a 0.1% lead for the Phenom II X3 P840.
| Feature | Phenom II X3 P840 | Xeon L5639 |
|---|---|---|
| Cores / Threads | 3 / 3 | 6 / 12+100% |
| Boost Clock | 1.9 GHz | 2.67 GHz+41% |
| Base Clock | — | 2.133 GHz |
| L3 Cache | — | 12 MB (total) |
| L2 Cache | 1.5 MB+500% | 256 kB (per core) |
| Process | 45 nm | 32 nm-29% |
| Architecture | Champlain (2010−2011) | Westmere-EP (2010−2011) |
| PassMark | 4,425 | 4,419 |
Memory & Platform
The Phenom II X3 P840 uses the S1 socket (PCIe 2.0), while the Xeon L5639 uses LGA1366 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Phenom II X3 P840 | Xeon L5639 |
|---|---|---|
| Socket | S1 | LGA1366 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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