Core i3-6006U vs Xeon L5520
Core i3-6006U
Xeon L5520
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 Core i3-6006U is positioned at rank 370 and the Xeon L5520 is on rank 832, 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 Core i3-6006U
Performance Per Dollar Xeon L5520
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-6006U | Xeon L5520 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Gainestown (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Core i3-6006U | Xeon L5520 |
|---|---|---|
| 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 Core i3-6006U and Xeon L5520
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.
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.
Processing Power
The Core i3-6006U packs 2 cores / 4 threads, while the Xeon L5520 offers 4 cores / 8 threads — the Xeon L5520 has 2 more cores. Boost clocks reach 2 GHz on the Core i3-6006U versus 2.48 GHz on the Xeon L5520 — a 21.4% clock advantage for the Xeon L5520 (base: 2 GHz vs 2.26 GHz). The Core i3-6006U uses the Skylake (2015−2016) architecture (14 nm), while the Xeon L5520 uses Gainestown (2009−2010) (45 nm). In PassMark, the Core i3-6006U scores 2,273 against the Xeon L5520's 2,274 — a 0% lead for the Xeon L5520. L3 cache: 3 MB on the Core i3-6006U vs 8 MB (total) on the Xeon L5520.
| Feature | Core i3-6006U | Xeon L5520 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 8+100% |
| Boost Clock | 2 GHz | 2.48 GHz+24% |
| Base Clock | 2 GHz | 2.26 GHz+13% |
| L3 Cache | 3 MB | 8 MB (total)+167% |
| L2 Cache | 512 kB+100% | 256 kB (per core) |
| Process | 14 nm-69% | 45 nm |
| Architecture | Skylake (2015−2016) | Gainestown (2009−2010) |
| PassMark | 2,273 | 2,274 |
| Cinebench R23 Multi | 2,200 | — |
| Geekbench 6 Single | 630 | — |
| Geekbench 6 Multi | 1,313 | — |
Memory & Platform
The Core i3-6006U uses the BGA1356 socket (PCIe 3.0), while the Xeon L5520 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core i3-6006U | Xeon L5520 |
|---|---|---|
| Socket | BGA1356 | LGA1366 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2133 | — |
| Max RAM Capacity | 32 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 12 | — |
Advanced Features
Virtualization: Yes (Core i3-6006U) / not specified (Xeon L5520). 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 | Core i3-6006U | Xeon L5520 |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | HD Graphics 520 | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | Yes | — |
| Target Use | Mobile | — |
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