Xeon L5639 vs Opteron 3380
Xeon L5639
Opteron 3380
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 L5639 is positioned at rank 595 and the Opteron 3380 is on rank 79, so the Opteron 3380 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon L5639
Performance Per Dollar Opteron 3380
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5639 | Opteron 3380 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($0) | ⚠️ Higher cost ($427) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | 🛑 Legacy (Delhi (2012−2013) / 32 nm) |
💎 Value Proposition
| Insight | Xeon L5639 | Opteron 3380 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($0) | ⚠️ Higher cost ($427) |
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 L5639 and Opteron 3380
Xeon L5639
The Xeon L5639 is manufactured by Intel. It was released in 2015-01-01. It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.133 GHz, with boost up to 2.67 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 4,419 points. Launch price was $800.
Opteron 3380
The Opteron 3380 is manufactured by AMD. It was released in 2015-01-01. It is based on the Delhi (2012−2013) architecture. It features 8 cores and 8 threads. Base frequency is 2.6 GHz, with boost up to 3.6 GHz. L3 cache: 8192 kB (total). L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 4,358 points. Launch price was $800.
Processing Power
The Xeon L5639 packs 6 cores / 12 threads, while the Opteron 3380 offers 8 cores / 8 threads — the Opteron 3380 has 2 more cores. Boost clocks reach 2.67 GHz on the Xeon L5639 versus 3.6 GHz on the Opteron 3380 — a 29.7% clock advantage for the Opteron 3380 (base: 2.133 GHz vs 2.6 GHz). The Xeon L5639 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Opteron 3380 uses Delhi (2012−2013) (32 nm). In PassMark, the Xeon L5639 scores 4,419 against the Opteron 3380's 4,358 — a 1.4% lead for the Xeon L5639. L3 cache: 12 MB (total) on the Xeon L5639 vs 8192 kB (total) on the Opteron 3380.
| Feature | Xeon L5639 | Opteron 3380 |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 8+33% |
| Boost Clock | 2.67 GHz | 3.6 GHz+35% |
| Base Clock | 2.133 GHz | 2.6 GHz+22% |
| L3 Cache | 12 MB (total)+50% | 8192 kB (total) |
| L2 Cache | 256 kB (per core) | 8192 kB+3100% |
| Process | 32 nm | 32 nm |
| Architecture | Westmere-EP (2010−2011) | Delhi (2012−2013) |
| PassMark | 4,419+1% | 4,358 |
Memory & Platform
The Xeon L5639 uses the LGA1366 socket (PCIe 4.0), while the Opteron 3380 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon L5639 | Opteron 3380 |
|---|---|---|
| Socket | LGA1366 | AM3+ |
| PCIe Generation | PCIe 4.0+100% | PCIe 2.0 |
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