CPU
GPU
Core i5-6402P
Xeon E3-1225 v3
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 E3-1225 v3 is on rank 575, so the Xeon E3-1225 v3 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 E3-1225 v3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-6402P | Xeon E3-1225 v3 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($120) | ✅ More affordable ($29) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Haswell-WS (2013−2014) / 22 nm) |
💎 Value Proposition
| Insight | Core i5-6402P | Xeon E3-1225 v3 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+312%) |
| Upfront Cost | ⚠️ Higher cost ($120) | ✅ More affordable ($29) |
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 E3-1225 v3
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 E3-1225 v3
The Xeon E3-1225 v3 is manufactured by Intel. It was released in 2 June 2013 (12 years ago). It is based on the Haswell-WS (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 3.2 GHz, with boost up to 3.6 GHz. L3 cache: 8192 kB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 84 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 5,324 points. Launch price was $384.
Processing Power
Both the Core i5-6402P and Xeon E3-1225 v3 share an identical 4-core/4-thread configuration. Boost clocks reach 3.4 GHz on the Core i5-6402P versus 3.6 GHz on the Xeon E3-1225 v3 — a 5.7% clock advantage for the Xeon E3-1225 v3 (base: 2.8 GHz vs 3.2 GHz). The Core i5-6402P uses the Skylake (2015−2016) architecture (14 nm), while the Xeon E3-1225 v3 uses Haswell-WS (2013−2014) (22 nm). In PassMark, the Core i5-6402P scores 5,343 against the Xeon E3-1225 v3's 5,324 — a 0.4% lead for the Core i5-6402P. L3 cache: 6 MB on the Core i5-6402P vs 8192 kB (total) on the Xeon E3-1225 v3.
| Feature | Core i5-6402P | Xeon E3-1225 v3 |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 3.4 GHz | 3.6 GHz+6% |
| Base Clock | 2.8 GHz | 3.2 GHz+14% |
| L3 Cache | 6 MB | 8192 kB (total)+33% |
| L2 Cache | 1 MB+300% | 256 kB (per core) |
| Process | 14 nm-36% | 22 nm |
| Architecture | Skylake (2015−2016) | Haswell-WS (2013−2014) |
| PassMark | 5,343 | 5,324 |
| Cinebench R23 Multi | — | 2,000 |
| Geekbench 6 Single | — | 1,108 |
| Geekbench 6 Multi | — | 3,324 |
Memory & Platform
The Core i5-6402P uses the LGA1151 socket (PCIe 3.0), while the Xeon E3-1225 v3 uses LGA1150 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i5-6402P | Xeon E3-1225 v3 |
|---|---|---|
| Socket | LGA1151 | LGA1150 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | — | DDR3-1600 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Virtualization: not specified (Core i5-6402P) / VT-x, VT-d (Xeon E3-1225 v3). The Xeon E3-1225 v3 includes integrated graphics (HD Graphics P4600), while the Core i5-6402P requires a dedicated GPU. Primary use case: Xeon E3-1225 v3 targets Workstation. Direct competitor: Xeon E3-1225 v3 rivals Core i5-4570.
| Feature | Core i5-6402P | Xeon E3-1225 v3 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | HD Graphics P4600 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Workstation |
Value Analysis
The Core i5-6402P launched at $182 MSRP, while the Xeon E3-1225 v3 debuted at $224. At current prices ($120 vs $29), the Xeon E3-1225 v3 is $91 cheaper. In terms of value (PassMark points per dollar), the Core i5-6402P delivers 44.5 pts/$ vs 183.6 pts/$ for the Xeon E3-1225 v3 — making the Xeon E3-1225 v3 the 121.9% better value option.
| Feature | Core i5-6402P | Xeon E3-1225 v3 |
|---|---|---|
| MSRP | $182-19% | $224 |
| Avg Price (30d) | $120 | $29-76% |
| Performance per Dollar | 44.5 | 183.6+313% |
| Release Date | 2015 | 2013 |
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