Opteron 6376 vs Xeon E3-1275
Opteron 6376
Xeon E3-1275
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 Opteron 6376 is positioned at rank 63 and the Xeon E3-1275 is on rank 522, so the Opteron 6376 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Opteron 6376
Performance Per Dollar Xeon E3-1275
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Opteron 6376 | Xeon E3-1275 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($703) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Abu Dhabi (2012) / 32 nm) | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) |
💎 Value Proposition
| Insight | Opteron 6376 | Xeon E3-1275 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($703) | ✅ More affordable ($0) |
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 Opteron 6376 and Xeon E3-1275
Opteron 6376
The Opteron 6376 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 2.3 GHz, with boost up to 3.2 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: 5,572 points. Launch price was $750.
Xeon E3-1275
The Xeon E3-1275 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.4 GHz, with boost up to 3.8 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 5,496 points. Launch price was $450.
Processing Power
The Opteron 6376 packs 16 cores / 16 threads, while the Xeon E3-1275 offers 4 cores / 8 threads — the Opteron 6376 has 12 more cores. Boost clocks reach 3.2 GHz on the Opteron 6376 versus 3.8 GHz on the Xeon E3-1275 — a 17.1% clock advantage for the Xeon E3-1275 (base: 2.3 GHz vs 3.4 GHz). The Opteron 6376 uses the Abu Dhabi (2012) architecture (32 nm), while the Xeon E3-1275 uses Sandy Bridge (2011−2013) (32 nm). In PassMark, the Opteron 6376 scores 5,572 against the Xeon E3-1275's 5,496 — a 1.4% lead for the Opteron 6376. Both processors carry 8 MB (total) of L3 cache.
| Feature | Opteron 6376 | Xeon E3-1275 |
|---|---|---|
| Cores / Threads | 16 / 16+300% | 4 / 8 |
| Boost Clock | 3.2 GHz | 3.8 GHz+19% |
| Base Clock | 2.3 GHz | 3.4 GHz+48% |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 16 MB+6300% | 256 kB (per core) |
| Process | 32 nm | 32 nm |
| Architecture | Abu Dhabi (2012) | Sandy Bridge (2011−2013) |
| PassMark | 5,572+1% | 5,496 |
Memory & Platform
The Opteron 6376 uses the G34 socket (PCIe 2.0), while the Xeon E3-1275 uses LGA1155 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Opteron 6376 | Xeon E3-1275 |
|---|---|---|
| Socket | G34 | LGA1155 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
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