
Xeon E5-2673 V3

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 E5-2673 V3
Performance Per Dollar Opteron 6278
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2673 V3 | Opteron 6278 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) | 🛑 Legacy (Interlagos (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E5-2673 V3 | 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 E5-2673 V3 and Opteron 6278

Xeon E5-2673 V3
The Xeon E5-2673 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 2.4 GHz, with boost up to 3.1 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 105 Watt. Memory support: DDR3, DDR4 2133 MHz Quad-channel. Passmark benchmark score: 13,899 points. Launch price was $800.

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 E5-2673 V3 packs 12 cores / 24 threads, while the Opteron 6278 offers 16 cores / 16 threads — the Opteron 6278 has 4 more cores. Boost clocks reach 3.1 GHz on the Xeon E5-2673 V3 versus 3.3 GHz on the Opteron 6278 — a 6.2% clock advantage for the Opteron 6278 (base: 2.4 GHz vs 2.4 GHz). The Xeon E5-2673 V3 uses the Haswell-EP (2014−2015) architecture (22 nm), while the Opteron 6278 uses Interlagos (2011−2012) (32 nm). In PassMark, the Xeon E5-2673 V3 scores 13,899 against the Opteron 6278's 13,733 — a 1.2% lead for the Xeon E5-2673 V3. L3 cache: 30 MB (total) on the Xeon E5-2673 V3 vs 8 MB (total) on the Opteron 6278.
| Feature | Xeon E5-2673 V3 | Opteron 6278 |
|---|---|---|
| Cores / Threads | 12 / 24 | 16 / 16+33% |
| Boost Clock | 3.1 GHz | 3.3 GHz+6% |
| Base Clock | 2.4 GHz | 2.4 GHz |
| L3 Cache | 30 MB (total)+275% | 8 MB (total) |
| L2 Cache | 256K (per core) | 2 MB (per module)+700% |
| Process | 22 nm-31% | 32 nm |
| Architecture | Haswell-EP (2014−2015) | Interlagos (2011−2012) |
| PassMark | 13,899+1% | 13,733 |
Memory & Platform
The Xeon E5-2673 V3 uses the LGA2011-3 socket (PCIe 3.0), while the Opteron 6278 uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-2673 V3 | Opteron 6278 |
|---|---|---|
| Socket | LGA2011-3 | G34 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
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