Xeon E5520 vs Xeon L5530

Intel

Xeon E5520

4 Cores8 Thrd80 WWMax: 2.53 GHz2009
Similar parts
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VS
Intel

Xeon L5530

4 Cores8 Thrd60 WWMax: 2.66 GHz2009
Similar parts
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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.

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

2009

Why buy it

  • +0.8% higher PassMark.

Trade-offs

  • 33.3% higher power demand at 80W vs 60W.

Xeon L5530

2009

Why 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?
It depends on what you want from the system. For gaming, Xeon L5530 is ahead with a 1.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon E5520 pulls ahead with 0.8% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Xeon E5520 is the stronger fit. You are getting 0.8% better PassMark, backed by 4 cores and 8 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Xeon E5520 still makes the most sense overall. Xeon E5520 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.8% better PassMark.
Which one is more future-proof for 2026 and beyond?
Xeon E5520 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 4 cores / 8 threads instead of 4/8. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E5520 vs Xeon L5530 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Intel

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.

Intel

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.

FeatureXeon E5520Xeon 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
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Memory & Platform

Both processors use the LGA1366 socket with PCIe 2.0.

FeatureXeon E5520Xeon L5530
Socket
LGA1366
LGA1366
PCIe Generation
PCIe 2.0
PCIe 2.0