
Xeon X5687

Xeon E3-1240
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 X5687 is positioned at rank 877 and the Xeon E3-1240 is on rank 627, so the Xeon E3-1240 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X5687
Performance Per Dollar Xeon E3-1240
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X5687 | Xeon E3-1240 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($189) | ✅ More affordable ($39) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Xeon X5687 | Xeon E3-1240 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+382%) |
| Upfront Cost | ⚠️ Higher cost ($189) | ✅ More affordable ($39) |
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 X5687 and Xeon E3-1240

Xeon X5687
The Xeon X5687 is manufactured by Intel. It was released in 14 February 2011 (14 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 3.86 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 5,386 points. Launch price was $121.

Xeon E3-1240
The Xeon E3-1240 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 5,361 points. Launch price was $209.
Processing Power
Both the Xeon X5687 and Xeon E3-1240 share an identical 4-core/8-thread configuration. Boost clocks reach 3.86 GHz on the Xeon X5687 versus 3.7 GHz on the Xeon E3-1240 — a 4.2% clock advantage for the Xeon X5687 (base: 3.6 GHz vs 3.3 GHz). The Xeon X5687 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Xeon E3-1240 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Xeon X5687 scores 5,386 against the Xeon E3-1240's 5,361 — a 0.5% lead for the Xeon X5687. L3 cache: 12 MB (total) on the Xeon X5687 vs 8 MB (total) on the Xeon E3-1240.
| Feature | Xeon X5687 | Xeon E3-1240 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 3.86 GHz+4% | 3.7 GHz |
| Base Clock | 3.6 GHz+9% | 3.3 GHz |
| L3 Cache | 12 MB (total)+50% | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Westmere-EP (2010−2011) | Sandy Bridge (2011−2013) |
| PassMark | 5,386 | 5,361 |
| Geekbench 6 Single | 1,643 | — |
| Geekbench 6 Multi | 5,386 | — |
Memory & Platform
The Xeon X5687 uses the LGA1366 socket (PCIe 2.0), while the Xeon E3-1240 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon X5687 | Xeon E3-1240 |
|---|---|---|
| Socket | LGA1366 | LGA1155 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 288 GB | — |
| RAM Channels | 3 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 36 | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Xeon X5687) / not specified (Xeon E3-1240). Primary use case: Xeon X5687 targets Server.
| Feature | Xeon X5687 | Xeon E3-1240 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Server | — |
Value Analysis
The Xeon X5687 launched at $552 MSRP, while the Xeon E3-1240 debuted at $273. At current prices ($189 vs $39), the Xeon E3-1240 is $150 cheaper. In terms of value (PassMark points per dollar), the Xeon X5687 delivers 28.5 pts/$ vs 137.5 pts/$ for the Xeon E3-1240 — making the Xeon E3-1240 the 131.3% better value option.
| Feature | Xeon X5687 | Xeon E3-1240 |
|---|---|---|
| MSRP | $552 | $273-51% |
| Avg Price (30d) | $189 | $39-79% |
| Performance per Dollar | 28.5 | 137.5+382% |
| Release Date | 2011 | 2011 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.















