CPU
GPU
Xeon E5620
Xeon W3580
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 E5620 is positioned at rank 649 and the Xeon W3580 is on rank 797, so the Xeon E5620 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5620
Performance Per Dollar Xeon W3580
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5620 | Xeon W3580 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($30) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | 🛑 Legacy (Bloomfield (2008−2010) / 45 nm) |
💎 Value Proposition
| Insight | Xeon E5620 | Xeon W3580 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($30) |
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 E5620 and Xeon W3580
Xeon E5620
The Xeon E5620 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 2.66 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 3,621 points. Launch price was $35.
Xeon W3580
The Xeon W3580 is manufactured by Intel. It was released in 9 August 2009 (16 years ago). It is based on the Bloomfield (2008−2010) architecture. It features 4 cores and 8 threads. Base frequency is 3.33 GHz, with boost up to 3.6 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 3,638 points. Launch price was $215.
Processing Power
Both the Xeon E5620 and Xeon W3580 share an identical 4-core/8-thread configuration. Boost clocks reach 2.66 GHz on the Xeon E5620 versus 3.6 GHz on the Xeon W3580 — a 30% clock advantage for the Xeon W3580 (base: 2.4 GHz vs 3.33 GHz). The Xeon E5620 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Xeon W3580 uses Bloomfield (2008−2010) (45 nm). In PassMark, the Xeon E5620 scores 3,621 against the Xeon W3580's 3,638 — a 0.5% lead for the Xeon W3580. L3 cache: 12 MB (total) on the Xeon E5620 vs 8 MB (total) on the Xeon W3580.
| Feature | Xeon E5620 | Xeon W3580 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 2.66 GHz | 3.6 GHz+35% |
| Base Clock | 2.4 GHz | 3.33 GHz+39% |
| L3 Cache | 12 MB (total)+50% | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 32 nm-29% | 45 nm |
| Architecture | Westmere-EP (2010−2011) | Bloomfield (2008−2010) |
| PassMark | 3,621 | 3,638 |
Memory & Platform
Both processors use the LGA1366 socket with PCIe 2.0.
| Feature | Xeon E5620 | Xeon W3580 |
|---|---|---|
| Socket | LGA1366 | LGA1366 |
| 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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