Turion II Ultra M660 vs Xeon L5520
Turion II Ultra M660
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 Turion II Ultra M660 is positioned at rank 220 and the Xeon L5520 is on rank 832, so the Turion II Ultra M660 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Turion II Ultra M660
Performance Per Dollar Xeon L5520
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Turion II Ultra M660 | Xeon L5520 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Caspian (2009) / 45 nm) | 🛑 Legacy (Gainestown (2009−2010) / 45 nm) |
💎 Value Proposition
| Insight | Turion II Ultra M660 | 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 Turion II Ultra M660 and Xeon L5520
Turion II Ultra M660
The Turion II Ultra M660 is manufactured by AMD. It was released in 2007-01-01. It is based on the Caspian (2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.7 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1g3. Thermal design power (TDP): 2 MB. Memory support: DDR2. Passmark benchmark score: 2,278 points. Launch price was $69.
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 Turion II Ultra M660 packs 2 cores / 2 threads, while the Xeon L5520 offers 4 cores / 8 threads — the Xeon L5520 has 2 more cores. Boost clocks reach 2.7 GHz on the Turion II Ultra M660 versus 2.48 GHz on the Xeon L5520 — a 8.5% clock advantage for the Turion II Ultra M660. The Turion II Ultra M660 uses the Caspian (2009) architecture (45 nm), while the Xeon L5520 uses Gainestown (2009−2010) (45 nm). In PassMark, the Turion II Ultra M660 scores 2,278 against the Xeon L5520's 2,274 — a 0.2% lead for the Turion II Ultra M660.
| Feature | Turion II Ultra M660 | Xeon L5520 |
|---|---|---|
| Cores / Threads | 2 / 2 | 4 / 8+100% |
| Boost Clock | 2.7 GHz+9% | 2.48 GHz |
| Base Clock | — | 2.26 GHz |
| L3 Cache | — | 8 MB (total) |
| L2 Cache | 2 MB+700% | 256 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Caspian (2009) | Gainestown (2009−2010) |
| PassMark | 2,278 | 2,274 |
Memory & Platform
The Turion II Ultra M660 uses the S1g3 socket (PCIe 2.0), while the Xeon L5520 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Turion II Ultra M660 | Xeon L5520 |
|---|---|---|
| Socket | S1g3 | LGA1366 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
| Max RAM Speed | DDR2-800 | — |
| Max RAM Capacity | 8 GB | — |
| RAM Channels | 2 | — |
| ECC Support | ❌ | — |
| PCIe Lanes | 0 | — |
Advanced Features
Virtualization: AMD-V (Turion II Ultra M660) / not specified (Xeon L5520). Primary use case: Turion II Ultra M660 targets Mobile.
| Feature | Turion II Ultra M660 | Xeon L5520 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
| Target Use | Mobile | — |
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