CPU
GPU
Xeon L5520
Core i3-6006U
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 L5520 is positioned at rank 832 and the Core i3-6006U is on rank 370, so the Core i3-6006U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon L5520
Performance Per Dollar Core i3-6006U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5520 | Core i3-6006U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Gainestown (2009−2010) / 45 nm) | 🛑 Legacy (Skylake (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Xeon L5520 | Core i3-6006U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 L5520 and Core i3-6006U
Xeon L5520
The Xeon L5520 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Gainestown (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.26 GHz, with boost up to 2.48 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 2,274 points. Launch price was $100.
Core i3-6006U
The Core i3-6006U is manufactured by Intel. It was released in 10 November 2016 (9 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 2,273 points. Launch price was $281.
Processing Power
The Xeon L5520 packs 4 cores / 8 threads, while the Core i3-6006U offers 2 cores / 4 threads — the Xeon L5520 has 2 more cores. Boost clocks reach 2.48 GHz on the Xeon L5520 versus 2 GHz on the Core i3-6006U — a 21.4% clock advantage for the Xeon L5520 (base: 2.26 GHz vs 2 GHz). The Xeon L5520 uses the Gainestown (2009−2010) architecture (45 nm), while the Core i3-6006U uses Skylake (2015−2016) (14 nm). In PassMark, the Xeon L5520 scores 2,274 against the Core i3-6006U's 2,273 — a 0% lead for the Xeon L5520. L3 cache: 8 MB (total) on the Xeon L5520 vs 3 MB on the Core i3-6006U.
| Feature | Xeon L5520 | Core i3-6006U |
|---|---|---|
| Cores / Threads | 4 / 8+100% | 2 / 4 |
| Boost Clock | 2.48 GHz+24% | 2 GHz |
| Base Clock | 2.26 GHz+13% | 2 GHz |
| L3 Cache | 8 MB (total)+167% | 3 MB |
| L2 Cache | 256 kB (per core) | 512 kB+100% |
| Process | 45 nm | 14 nm-69% |
| Architecture | Gainestown (2009−2010) | Skylake (2015−2016) |
| PassMark | 2,274 | 2,273 |
| Cinebench R23 Multi | — | 2,200 |
| Geekbench 6 Single | — | 630 |
| Geekbench 6 Multi | — | 1,313 |
Memory & Platform
The Xeon L5520 uses the LGA1366 socket (PCIe 2.0), while the Core i3-6006U uses BGA1356 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon L5520 | Core i3-6006U |
|---|---|---|
| Socket | LGA1366 | BGA1356 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | — | DDR4-2133 |
| Max RAM Capacity | — | 32 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 12 |
Advanced Features
Virtualization: not specified (Xeon L5520) / Yes (Core i3-6006U). The Core i3-6006U includes integrated graphics (HD Graphics 520), while the Xeon L5520 requires a dedicated GPU. Primary use case: Core i3-6006U targets Mobile.
| Feature | Xeon L5520 | Core i3-6006U |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | HD Graphics 520 |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | Yes |
| Target Use | — | Mobile |
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