CPU
GPU
Xeon E3-1565L v5
Opteron 6281
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 E3-1565L v5 is positioned at rank 993 and the Opteron 6281 is on rank 44, so the Opteron 6281 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1565L v5
Performance Per Dollar Opteron 6281
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1565L v5 | Opteron 6281 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($120) | ⚠️ Higher cost ($419) |
| Longevity | 🛑 Legacy (Skylake-H (2015−2016) / 14 nm) | 🛑 Legacy (Interlagos (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E3-1565L v5 | Opteron 6281 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+251%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($120) | ⚠️ Higher cost ($419) |
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 E3-1565L v5 and Opteron 6281
Xeon E3-1565L v5
The Xeon E3-1565L v5 is manufactured by Intel. It was released in 31 May 2016 (9 years ago). It is based on the Skylake-H (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 2.5 GHz, with boost up to 3.5 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 35 Watt. Memory support: DDR3L,LPDDR3 1600 MHz, DDR4 2133 MHz at 1.2V. Passmark benchmark score: 7,325 points. Launch price was $417.
Opteron 6281
The Opteron 6281 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 2.5 GHz, with boost up to 3.2 GHz. L3 cache: 8 MB (total). L2 cache: 2 MB (per module). Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 7,279 points. Launch price was $988.
Processing Power
The Xeon E3-1565L v5 packs 4 cores / 8 threads, while the Opteron 6281 offers 16 cores / 16 threads — the Opteron 6281 has 12 more cores. Boost clocks reach 3.5 GHz on the Xeon E3-1565L v5 versus 3.2 GHz on the Opteron 6281 — a 9% clock advantage for the Xeon E3-1565L v5 (base: 2.5 GHz vs 2.5 GHz). The Xeon E3-1565L v5 uses the Skylake-H (2015−2016) architecture (14 nm), while the Opteron 6281 uses Interlagos (2011−2012) (32 nm). In PassMark, the Xeon E3-1565L v5 scores 7,325 against the Opteron 6281's 7,279 — a 0.6% lead for the Xeon E3-1565L v5. Both processors carry 8 MB (total) of L3 cache.
| Feature | Xeon E3-1565L v5 | Opteron 6281 |
|---|---|---|
| Cores / Threads | 4 / 8 | 16 / 16+300% |
| Boost Clock | 3.5 GHz+9% | 3.2 GHz |
| Base Clock | 2.5 GHz | 2.5 GHz |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 2 MB (per module)+700% |
| Process | 14 nm-56% | 32 nm |
| Architecture | Skylake-H (2015−2016) | Interlagos (2011−2012) |
| PassMark | 7,325 | 7,279 |
Memory & Platform
The Xeon E3-1565L v5 uses the BGA1440 socket (PCIe 5.0), while the Opteron 6281 uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1565L v5 | Opteron 6281 |
|---|---|---|
| Socket | BGA1440 | G34 |
| PCIe Generation | PCIe 5.0+150% | PCIe 2.0 |
Value Analysis
The Xeon E3-1565L v5 launched at $1552 MSRP, while the Opteron 6281 debuted at $988. At current prices ($120 vs $419), the Xeon E3-1565L v5 is $299 cheaper. In terms of value (PassMark points per dollar), the Xeon E3-1565L v5 delivers 61.0 pts/$ vs 17.4 pts/$ for the Opteron 6281 — making the Xeon E3-1565L v5 the 111.4% better value option.
| Feature | Xeon E3-1565L v5 | Opteron 6281 |
|---|---|---|
| MSRP | $1552 | $988-36% |
| Avg Price (30d) | $120-71% | $419 |
| Performance per Dollar | 61.0+251% | 17.4 |
| Release Date | 2016 | 2012 |
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