
Xeon E3-1286 v3 vs Opteron 6348

Xeon E3-1286 v3

Opteron 6348
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 E3-1286 v3 is positioned at rank 379 and the Opteron 6348 is on rank 40, so the Opteron 6348 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1286 v3
Performance Per Dollar Opteron 6348
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1286 v3 | Opteron 6348 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($287) |
| Longevity | 🛑 Legacy (Legacy / 22 nm) | 🛑 Legacy (Abu Dhabi (2012) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E3-1286 v3 | Opteron 6348 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($287) |
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 E3-1286 v3 and Opteron 6348

Xeon E3-1286 v3
The Xeon E3-1286 v3 is manufactured by Intel. It was released in 2015-01-01. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 4.1 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA1150. Thermal design power (TDP): 84 Watt. Memory support: DDR3L-1333, DDR3L-1600. Passmark benchmark score: 7,879 points. Launch price was $800.

Opteron 6348
The Opteron 6348 is manufactured by AMD. It was released in 2015-01-01. It is based on the Abu Dhabi (2012) architecture. It features 12 cores and 12 threads. Base frequency is 2.8 GHz, with boost up to 3.4 GHz. L3 cache: 8 MB (total). L2 cache: 12 MB. Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 115 Watt. Memory support: DDR3. Passmark benchmark score: 7,850 points. Launch price was $800.
Processing Power
The Xeon E3-1286 v3 packs 4 cores / 8 threads, while the Opteron 6348 offers 12 cores / 12 threads — the Opteron 6348 has 8 more cores. Boost clocks reach 4.1 GHz on the Xeon E3-1286 v3 versus 3.4 GHz on the Opteron 6348 — a 18.7% clock advantage for the Xeon E3-1286 v3 (base: 3.7 GHz vs 2.8 GHz). The Opteron 6348 is built on the Abu Dhabi (2012) architecture. In PassMark, the Xeon E3-1286 v3 scores 7,879 against the Opteron 6348's 7,850 — a 0.4% lead for the Xeon E3-1286 v3. L3 cache: 8 MB Intel® Smart Cache on the Xeon E3-1286 v3 vs 8 MB (total) on the Opteron 6348.
| Feature | Xeon E3-1286 v3 | Opteron 6348 |
|---|---|---|
| Cores / Threads | 4 / 8 | 12 / 12+200% |
| Boost Clock | 4.1 GHz+21% | 3.4 GHz |
| Base Clock | 3.7 GHz+32% | 2.8 GHz |
| L3 Cache | 8 MB Intel® Smart Cache | 8 MB (total) |
| L2 Cache | — | 12 MB |
| Process | 22 nm-31% | 32 nm |
| Architecture | — | Abu Dhabi (2012) |
| PassMark | 7,879 | 7,850 |
Memory & Platform
The Xeon E3-1286 v3 uses the LGA1150 socket (PCIe 3.0), while the Opteron 6348 uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1286 v3 | Opteron 6348 |
|---|---|---|
| Socket | LGA1150 | G34 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
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