Xeon E3-1275 v2 vs Opteron 6380
Xeon E3-1275 v2
Opteron 6380
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 E3-1275 v2 is positioned at rank 697 and the Opteron 6380 is on rank 803, so the Xeon E3-1275 v2 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1275 v2
Performance Per Dollar Opteron 6380
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1275 v2 | Opteron 6380 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($426) | ✅ More affordable ($111) |
| Longevity | 🛑 Legacy (Ivy Bridge (2012−2013) / 22 nm) | 🛑 Legacy (Abu Dhabi (2012) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E3-1275 v2 | Opteron 6380 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+286%) |
| Upfront Cost | ⚠️ Higher cost ($426) | ✅ More affordable ($111) |
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 E3-1275 v2 and Opteron 6380
Xeon E3-1275 v2
The Xeon E3-1275 v2 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Ivy Bridge (2012−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA1155. Thermal design power (TDP): 77 Watt. Memory support: DDR3. Passmark benchmark score: 6,644 points. Launch price was $808.
Opteron 6380
The Opteron 6380 is manufactured by AMD. It was released in 5 November 2012 (13 years ago). It is based on the Abu Dhabi (2012) architecture. It features 16 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 3.4 GHz. L3 cache: 8 MB (total). L2 cache: 16 MB. Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 115 Watt. Memory support: DDR3. Passmark benchmark score: 6,687 points. Launch price was $1,150.
Processing Power
The Xeon E3-1275 v2 packs 4 cores / 8 threads, while the Opteron 6380 offers 16 cores / 16 threads — the Opteron 6380 has 12 more cores. Boost clocks reach 3.9 GHz on the Xeon E3-1275 v2 versus 3.4 GHz on the Opteron 6380 — a 13.7% clock advantage for the Xeon E3-1275 v2 (base: 3.5 GHz vs 2.5 GHz). The Xeon E3-1275 v2 uses the Ivy Bridge (2012−2013) architecture (22 nm), while the Opteron 6380 uses Abu Dhabi (2012) (32 nm). In PassMark, the Xeon E3-1275 v2 scores 6,644 against the Opteron 6380's 6,687 — a 0.6% lead for the Opteron 6380. Both processors carry 8 MB (total) of L3 cache.
| Feature | Xeon E3-1275 v2 | Opteron 6380 |
|---|---|---|
| Cores / Threads | 4 / 8 | 16 / 16+300% |
| Boost Clock | 3.9 GHz+15% | 3.4 GHz |
| Base Clock | 3.5 GHz+40% | 2.5 GHz |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 16 MB+6300% |
| Process | 22 nm-31% | 32 nm |
| Architecture | Ivy Bridge (2012−2013) | Abu Dhabi (2012) |
| PassMark | 6,644 | 6,687 |
| Geekbench 6 Single | 1,000 | — |
| Geekbench 6 Multi | 4,000 | — |
Memory & Platform
The Xeon E3-1275 v2 uses the LGA1155 socket (PCIe 3.0), while the Opteron 6380 uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1275 v2 | Opteron 6380 |
|---|---|---|
| Socket | LGA1155 | G34 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR3-1600 | — |
| Max RAM Capacity | 32.77 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 20 | — |
Advanced Features
Virtualization: VT-x, VT-d (Xeon E3-1275 v2) / not specified (Opteron 6380). The Xeon E3-1275 v2 includes integrated graphics (Intel HD Graphics P4000), while the Opteron 6380 requires a dedicated GPU. Primary use case: Xeon E3-1275 v2 targets Server/Workstation.
| Feature | Xeon E3-1275 v2 | Opteron 6380 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | Intel HD Graphics P4000 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Server/Workstation | — |
Value Analysis
The Xeon E3-1275 v2 launched at $426 MSRP, while the Opteron 6380 debuted at $551. At current prices ($426 vs $111), the Opteron 6380 is $315 cheaper. In terms of value (PassMark points per dollar), the Xeon E3-1275 v2 delivers 15.6 pts/$ vs 60.2 pts/$ for the Opteron 6380 — making the Opteron 6380 the 117.7% better value option.
| Feature | Xeon E3-1275 v2 | Opteron 6380 |
|---|---|---|
| MSRP | $426-23% | $551 |
| Avg Price (30d) | $426 | $111-74% |
| Performance per Dollar | 15.6 | 60.2+286% |
| Release Date | 2012 | 2012 |
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