Xeon E5640 vs Xeon X5667
Xeon E5640
Xeon X5667
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 E5640 is positioned at rank 574 and the Xeon X5667 is on rank 579, so the Xeon E5640 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5640
Performance Per Dollar Xeon X5667
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5640 | Xeon X5667 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Legacy / Standard Node) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E5640 | Xeon X5667 |
|---|---|---|
| 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 E5640 and Xeon X5667
Xeon E5640
The Xeon E5640 is manufactured by Intel. It was released in 2015-01-01. Passmark benchmark score: 4,755 points. Launch price was $800.
Xeon X5667
The Xeon X5667 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 3.06 GHz, with boost up to 3.46 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,697 points. Launch price was $80.
Processing Power
The Xeon X5667 is built on the Westmere-EP (2010−2011) architecture. In PassMark, the Xeon E5640 scores 4,755 against the Xeon X5667's 4,697 — a 1.2% lead for the Xeon E5640.
| Feature | Xeon E5640 | Xeon X5667 |
|---|---|---|
| Cores / Threads | — | 4 / 8 |
| Boost Clock | — | 3.46 GHz |
| Base Clock | — | 3.06 GHz |
| L3 Cache | — | 12 MB (total) |
| L2 Cache | — | 256 kB (per core) |
| Process | — | 32 nm |
| Architecture | — | Westmere-EP (2010−2011) |
| PassMark | 4,755+1% | 4,697 |
Advanced Features
Virtualization: not specified (Xeon E5640) / VT-x, VT-d, EPT (Xeon X5667). Primary use case: Xeon X5667 targets Workstation. Direct competitor: Xeon X5667 rivals Core i7-980X.
| Feature | Xeon E5640 | Xeon X5667 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Workstation |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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