CPU
GPU
Xeon E5-1603 v4
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 Xeon E5-1603 v4 is positioned at rank 599 and the Xeon L5639 is on rank 595, so the Xeon L5639 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-1603 v4
Performance Per Dollar Xeon L5639
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-1603 v4 | Xeon L5639 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Legacy / Standard Node) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E5-1603 v4 | 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 Xeon E5-1603 v4 and Xeon L5639
Xeon E5-1603 v4
The Xeon E5-1603 v4 is manufactured by Intel. It was released in 2015-01-01. Passmark benchmark score: 4,355 points. Launch price was $800.
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 Xeon L5639 is built on the Westmere-EP (2010−2011) architecture. In PassMark, the Xeon E5-1603 v4 scores 4,355 against the Xeon L5639's 4,419 — a 1.5% lead for the Xeon L5639.
| Feature | Xeon E5-1603 v4 | Xeon L5639 |
|---|---|---|
| Cores / Threads | — | 6 / 12 |
| Boost Clock | — | 2.67 GHz |
| Base Clock | — | 2.133 GHz |
| L3 Cache | — | 12 MB (total) |
| L2 Cache | — | 256 kB (per core) |
| Process | — | 32 nm |
| Architecture | — | Westmere-EP (2010−2011) |
| PassMark | 4,355 | 4,419+1% |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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