Xeon E-2186G vs Opteron 6278
Xeon E-2186G
Opteron 6278
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E-2186G
Performance Per Dollar Opteron 6278
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E-2186G | Opteron 6278 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Coffee Lake-S (2017−2018) / 14 nm) | 🛑 Legacy (Interlagos (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E-2186G | Opteron 6278 |
|---|---|---|
| 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 E-2186G and Opteron 6278
Xeon E-2186G
The Xeon E-2186G is manufactured by Intel. It was released in 31 May 2018 (7 years ago). It is based on the Coffee Lake-S (2017−2018) architecture. It features 6 cores and 12 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4-2666. Passmark benchmark score: 13,612 points. Launch price was $506.
Opteron 6278
The Opteron 6278 is manufactured by AMD. It was released in 1 May 2012 (13 years ago). It is based on the Interlagos (2011−2012) architecture. It features 16 cores and 16 threads. Base frequency is 2.4 GHz, with boost up to 3.3 GHz. L3 cache: 8 MB (total). L2 cache: 2 MB (per module). Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 115 Watt. Memory support: DDR3. Passmark benchmark score: 13,733 points. Launch price was $988.
Processing Power
The Xeon E-2186G packs 6 cores / 12 threads, while the Opteron 6278 offers 16 cores / 16 threads — the Opteron 6278 has 10 more cores. Boost clocks reach 4.7 GHz on the Xeon E-2186G versus 3.3 GHz on the Opteron 6278 — a 35% clock advantage for the Xeon E-2186G (base: 3.8 GHz vs 2.4 GHz). The Xeon E-2186G uses the Coffee Lake-S (2017−2018) architecture (14 nm), while the Opteron 6278 uses Interlagos (2011−2012) (32 nm). In PassMark, the Xeon E-2186G scores 13,612 against the Opteron 6278's 13,733 — a 0.9% lead for the Opteron 6278. L3 cache: 12 MB (total) on the Xeon E-2186G vs 8 MB (total) on the Opteron 6278.
| Feature | Xeon E-2186G | Opteron 6278 |
|---|---|---|
| Cores / Threads | 6 / 12 | 16 / 16+167% |
| Boost Clock | 4.7 GHz+42% | 3.3 GHz |
| Base Clock | 3.8 GHz+58% | 2.4 GHz |
| L3 Cache | 12 MB (total)+50% | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 2 MB (per module)+700% |
| Process | 14 nm-56% | 32 nm |
| Architecture | Coffee Lake-S (2017−2018) | Interlagos (2011−2012) |
| PassMark | 13,612 | 13,733 |
Memory & Platform
The Xeon E-2186G uses the LGA1151 socket (PCIe 3.0), while the Opteron 6278 uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon E-2186G | Opteron 6278 |
|---|---|---|
| Socket | LGA1151 | G34 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
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