Xeon E5-2620 vs Core i5-6402P
Xeon E5-2620
Core i5-6402P
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 E5-2620 is positioned at rank 722 and the Core i5-6402P is on rank 604, 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 Xeon E5-2620
Performance Per Dollar Core i5-6402P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2620 | Core i5-6402P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($89) | ⚠️ Higher cost ($120) |
| Longevity | 🛑 Legacy (Sandy Bridge-EP (2012) / 32 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E5-2620 | Core i5-6402P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+34%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($89) | ⚠️ Higher cost ($120) |
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 E5-2620 and Core i5-6402P
Xeon E5-2620
The Xeon E5-2620 is manufactured by Intel. It was released in 6 March 2012 (13 years ago). It is based on the Sandy Bridge-EP (2012) architecture. It features 6 cores and 12 threads. Base frequency is 2 GHz, with boost up to 2.5 GHz. L3 cache: 15360 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA2011. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,328 points. Launch price was $36.
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.
Processing Power
The Xeon E5-2620 packs 6 cores / 12 threads, while the Core i5-6402P offers 4 cores / 4 threads — the Xeon E5-2620 has 2 more cores. Boost clocks reach 2.5 GHz on the Xeon E5-2620 versus 3.4 GHz on the Core i5-6402P — a 30.5% clock advantage for the Core i5-6402P (base: 2 GHz vs 2.8 GHz). The Xeon E5-2620 uses the Sandy Bridge-EP (2012) architecture (32 nm), while the Core i5-6402P uses Skylake (2015−2016) (14 nm). In PassMark, the Xeon E5-2620 scores 5,328 against the Core i5-6402P's 5,343 — a 0.3% lead for the Core i5-6402P. L3 cache: 15360 kB (total) on the Xeon E5-2620 vs 6 MB on the Core i5-6402P.
| Feature | Xeon E5-2620 | Core i5-6402P |
|---|---|---|
| Cores / Threads | 6 / 12+50% | 4 / 4 |
| Boost Clock | 2.5 GHz | 3.4 GHz+36% |
| Base Clock | 2 GHz | 2.8 GHz+40% |
| L3 Cache | 15360 kB (total)+150% | 6 MB |
| L2 Cache | 256 kB (per core) | 1 MB+300% |
| Process | 32 nm | 14 nm-56% |
| Architecture | Sandy Bridge-EP (2012) | Skylake (2015−2016) |
| PassMark | 5,328 | 5,343 |
Memory & Platform
The Xeon E5-2620 uses the LGA2011 socket (PCIe 2.0), while the Core i5-6402P uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-2620 | Core i5-6402P |
|---|---|---|
| Socket | LGA2011 | LGA1151 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | — |
| Max RAM Capacity | 384 GB | — |
| RAM Channels | 4 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 40 | — |
Value Analysis
The Xeon E5-2620 launched at $360 MSRP, while the Core i5-6402P debuted at $182. At current prices ($89 vs $120), the Xeon E5-2620 is $31 cheaper. In terms of value (PassMark points per dollar), the Xeon E5-2620 delivers 59.9 pts/$ vs 44.5 pts/$ for the Core i5-6402P — making the Xeon E5-2620 the 29.4% better value option.
| Feature | Xeon E5-2620 | Core i5-6402P |
|---|---|---|
| MSRP | $360 | $182-49% |
| Avg Price (30d) | $89-26% | $120 |
| Performance per Dollar | 59.9+35% | 44.5 |
| Release Date | 2012 | 2015 |
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