Intel Xeon L5520 vs E5520 |
Released March, 2009
Intel Xeon L5520
- 2.26 GHz
- Quad core
5.1 Out of 10
Reasons to buy the Intel Xeon L5520
 | Lower typical power consumption 48.75W | | Better overclocked clock speed (Air) 3.42 GHz |
| | Lower annual commercial energy cost 52.56 $/year | | Lower annual home energy cost 14.45 $/year |
VS
Released March, 2009
Intel Xeon E5520
- 2.26 GHz
- Quad core
5.2 Out of 10
Reasons to buy the E5520
| | Better overclocked clock speed (Water) 4.27 GHz |
CPUBoss Review Our evaluation of L5520 vs E5520 among all CPUs
Performance | |
Benchmark performance using all cores | |
| PCMark 8 Home 3.0 Accelerated, PassMark and 1 more | |
Single-core Performance | |
Individual core benchmark performance | |
| PassMark (Single Core), Geekbench 3 Single Core and 1 more | |
Integrated Graphics | |
Integrated GPU performance for graphics | |
| Sky Diver and Cloud Gate | |
Integrated Graphics (OpenCL) | |
Integrated GPU performance for parallel computing | |
| CompuBench 1.5 Bitcoin mining and 4 more | |
Performance per Watt | |
How efficiently does the processor use electricity? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
Value | |
Are you paying a premium for performance? | |
| Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more | |
No winner declared
Too close to call
Cast your vote Do you agree or disagree with CPUBoss?
VS
Differences What are the advantages of each
| |||||||
| Lower typical power consumption | 48.75W | vs | 65W | 25% lower typical power consumption | |||
|---|---|---|---|---|---|---|---|
| Better overclocked clock speed (Air) | 3.42 GHz | vs | 3.28 GHz | Around 5% better overclocked clock speed (Air) | |||
| Lower annual commercial energy cost | 52.56 $/year | vs | 70.08 $/year | Around 25% lower annual commercial energy cost | |||
| Lower annual home energy cost | 14.45 $/year | vs | 19.27 $/year | Around 25% lower annual home energy cost | |||
| |||||||
| Better overclocked clock speed (Water) | 4.27 GHz | vs | 4.08 GHz | Around 5% better overclocked clock speed (Water) | |||
Report a correction
Benchmarks Real world tests of Xeon L5520 vs E5520
GeekBench 3 (Multi-core) Data courtesy Primate Labs
GeekBench 3 (Single core) Data courtesy Primate Labs
GeekBench 3 (AES single core) Data courtesy Primate Labs
GeekBench (32-bit) Data courtesy Primate Labs
GeekBench (64-bit) Data courtesy Primate Labs
GeekBench
PassMark Data courtesy Passmark
PassMark (Single Core)
Specifications Full list of technical specs
summary | Xeon L5520 | vs | E5520 |
|---|---|---|---|
| Clock speed | 2.26 GHz | 2.26 GHz | |
| Turbo clock speed | 2.48 GHz | 2.53 GHz | |
| Cores | Quad core | Quad core | |
| Socket type | |||
| LGA 1366 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | No | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| Supplemental SSE3 | |||
| Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
| TDP | 60W | 80W | |
| Annual home energy cost | 14.45 $/year | 19.27 $/year | |
| Annual commercial energy cost | 52.56 $/year | 70.08 $/year | |
| Performance per watt | 2.66 pt/W | 2.4 pt/W | |
| Typical power consumption | 48.75W | 65W | |
memory controller | |||
| Memory controller | Built-in | Built-in | |
| Memory type | |||
| DDR3-1066 | |||
| DDR3-800 | |||
| DDR3 | |||
| Channels | Triple Channel | Triple Channel | |
| Supports ECC | Yes | Yes | |
| Maximum bandwidth | 25,599.99 MB/s | 25,599.99 MB/s | |
| Maximum memory size | 147,456 MB | 147,456 MB | |
details | Xeon L5520 | vs | E5520 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 8 | 8 | |
| L2 cache | 1 MB | 1 MB | |
| L2 cache per core | 0.25 MB/core | 0.25 MB/core | |
| L3 cache | 8 MB | 8 MB | |
| L3 cache per core | 2 MB/core | 2 MB/core | |
| Manufacture process | 45 nm | 45 nm | |
| Transistor count | 731,000,000 | 731,000,000 | |
| Max CPUs | 2 | 2 | |
| Clock multiplier | 17 | 17 | |
| Voltage range | 0.75 - 1.35V | 0.75 - 1.35V | |
| Operating temperature | Unknown - 70°C | Unknown - 72°C | |
overclocking | |||
| Overclocked clock speed | 3.42 GHz | 3.28 GHz | |
| Overclocked clock speed (Water) | 4.08 GHz | 4.27 GHz | |
| Overclocked clock speed (Air) | 3.42 GHz | 3.28 GHz | |
integrated graphics | |||
| GPU | None | None | |
| Label | N/A | N/A | |
| Latest DirectX | N/A | N/A | |
| Number of displays supported | N/A | N/A | |
| GPU clock speed | N/A | N/A | |
| Turbo clock speed | N/A | N/A | |
| 3DMark06 | N/A | N/A | |
bus | |||
| Architecture | QPI | QPI | |
| Number of links | 2 | 2 | |
| Data rate | 46,928 MB/s | 46,928 MB/s | |
| Transfer rate | 5,860 MT/s | 5,860 MT/s | |
| Clock speed | 2,930 MHz | 2,930 MHz | |
 Intel Xeon L5520  Report a correction |  Intel Xeon E5520 Report a correction |
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