Core i5-6402P vs Xeon X5687
Core i5-6402P
Xeon X5687
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 Core i5-6402P is positioned at rank 604 and the Xeon X5687 is on rank 877, so the Core i5-6402P offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-6402P
Performance Per Dollar Xeon X5687
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-6402P | Xeon X5687 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($120) | ⚠️ Higher cost ($189) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Core i5-6402P | Xeon X5687 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+56%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($120) | ⚠️ Higher cost ($189) |
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 Core i5-6402P and Xeon X5687
Core i5-6402P
The Core i5-6402P is manufactured by Intel. It was released in 27 December 2015 (9 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.4 GHz. L3 cache: 6 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 65 Watt. Memory support: DDR4-1866/2133, DDR3L-1333/1600. Passmark benchmark score: 5,343 points. Launch price was $187.
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.
Processing Power
The Core i5-6402P packs 4 cores / 4 threads, matching the Xeon X5687's 4 cores. Boost clocks reach 3.4 GHz on the Core i5-6402P versus 3.86 GHz on the Xeon X5687 — a 12.7% clock advantage for the Xeon X5687 (base: 2.8 GHz vs 3.6 GHz). The Core i5-6402P uses the Skylake (2015−2016) architecture (14 nm), while the Xeon X5687 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i5-6402P scores 5,343 against the Xeon X5687's 5,386 — a 0.8% lead for the Xeon X5687. L3 cache: 6 MB on the Core i5-6402P vs 12 MB (total) on the Xeon X5687.
| Feature | Core i5-6402P | Xeon X5687 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 8 |
| Boost Clock | 3.4 GHz | 3.86 GHz+14% |
| Base Clock | 2.8 GHz | 3.6 GHz+29% |
| L3 Cache | 6 MB | 12 MB (total)+100% |
| L2 Cache | 1 MB+300% | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Skylake (2015−2016) | Westmere-EP (2010−2011) |
| PassMark | 5,343 | 5,386 |
| Geekbench 6 Single | — | 1,643 |
| Geekbench 6 Multi | — | 5,386 |
Memory & Platform
The Core i5-6402P uses the LGA1151 socket (PCIe 3.0), while the Xeon X5687 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i5-6402P | Xeon X5687 |
|---|---|---|
| Socket | LGA1151 | LGA1366 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | — | DDR3-1333 |
| Max RAM Capacity | — | 288 GB |
| RAM Channels | — | 3 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 36 |
Advanced Features
Virtualization: not specified (Core i5-6402P) / VT-x, VT-d, EPT (Xeon X5687). Primary use case: Xeon X5687 targets Server.
| Feature | Core i5-6402P | Xeon X5687 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d, EPT |
| Target Use | — | Server |
Value Analysis
The Core i5-6402P launched at $182 MSRP, while the Xeon X5687 debuted at $552. At current prices ($120 vs $189), the Core i5-6402P is $69 cheaper. In terms of value (PassMark points per dollar), the Core i5-6402P delivers 44.5 pts/$ vs 28.5 pts/$ for the Xeon X5687 — making the Core i5-6402P the 43.9% better value option.
| Feature | Core i5-6402P | Xeon X5687 |
|---|---|---|
| MSRP | $182-67% | $552 |
| Avg Price (30d) | $120-37% | $189 |
| Performance per Dollar | 44.5+56% | 28.5 |
| Release Date | 2015 | 2011 |
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