
Xeon E5520

Xeon L5530
Xeon E5520 vs Xeon L5530 Performance Spectrum
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.
Xeon E5520 vs Xeon L5530 FPS Benchmarks
Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.
Search any supported game below to compare 1080p FPS for both components.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Xeon E5520 vs Xeon L5530: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Xeon E5520
2009Why buy it
- ✅+0.8% higher PassMark.
Trade-offs
- ❌33.3% higher power demand at 80W vs 60W.
Xeon L5530
2009Why buy it
- ✅Draws 60W instead of 80W, a 20W reduction.
Trade-offs
- ❌Lower PassMark (2,522 vs 2,541).
Quick Answers
So, is Xeon E5520 better than Xeon L5530?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Xeon E5520 vs Xeon L5530 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Xeon E5520
The Xeon E5520 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 2.53 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,541 points. Launch price was $19.

Xeon L5530
The Xeon L5530 is manufactured by Intel. It was released in 2015-01-01. It is based on the Gainestown (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.4 GHz, with boost up to 2.66 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: 2,522 points. Launch price was $800.
Processing Power
Both the Xeon E5520 and Xeon L5530 share an identical 4-core/8-thread configuration. Boost clocks reach 2.53 GHz on the Xeon E5520 versus 2.66 GHz on the Xeon L5530 — a 5% clock advantage for the Xeon L5530 (base: 2.26 GHz vs 2.4 GHz). Both are built on the Gainestown (2009−2010) architecture using a 45 nm process. In PassMark, the Xeon E5520 scores 2,541 against the Xeon L5530's 2,522 — a 0.8% lead for the Xeon E5520. Both processors carry 8 MB (total) of L3 cache.
| Feature | Xeon E5520 | Xeon L5530 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 2.53 GHz | 2.66 GHz+5% |
| Base Clock | 2.26 GHz | 2.4 GHz+6% |
| L3 Cache | 8 MB (total) | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 45 nm | 45 nm |
| Architecture | Gainestown (2009−2010) | Gainestown (2009−2010) |
| PassMark | 2,541 | 2,522 |
Memory & Platform
Both processors use the LGA1366 socket with PCIe 2.0.
| Feature | Xeon E5520 | Xeon L5530 |
|---|---|---|
| Socket | LGA1366 | LGA1366 |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
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