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| Intel Xeon L5420 vs E5450 |
Released March, 2008
Intel Xeon L5420
- 2.5 GHz
- Quad core
Reasons to buy the Intel Xeon L5420
![]() | Significantly lower typical power consumption 40.63W | ![]() | Significantly lower annual commercial energy cost 43.8 $/year |
![]() | Significantly lower annual home energy cost 12.04 $/year |
VS
Released November, 2007
Intel Xeon E5450
- 3 GHz
- Quad core
Reasons to buy the E5450
![]() | Much higher clock speed 3 GHz | ![]() | Better overclocked clock speed (Air) 3.83 GHz |
![]() | Significantly better overclocked clock speed (Water) 4.1 GHz |
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| ![]() | Intel Xeon E5450CPUBoss Winner |
Differences What are the advantages of each
| |||||||
Significantly lower typical power consumption | 40.63W | vs | 65W | Around 40% lower typical power consumption | |||
---|---|---|---|---|---|---|---|
Significantly lower annual commercial energy cost | 43.8 $/year | vs | 70.08 $/year | Around 40% lower annual commercial energy cost | |||
Significantly lower annual home energy cost | 12.04 $/year | vs | 19.27 $/year | More than 35% lower annual home energy cost | |||
| |||||||
Much higher clock speed | 3 GHz | vs | 2.5 GHz | 20% higher clock speed | |||
Better overclocked clock speed (Air) | 3.83 GHz | vs | 3.67 GHz | Around 5% better overclocked clock speed (Air) | |||
Significantly better overclocked clock speed (Water) | 4.1 GHz | vs | 3.85 GHz | More than 5% better overclocked clock speed (Water) |
Benchmarks Real world tests of Xeon L5420 vs E5450
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Xeon L5420
4,968
Xeon E5450
6,390
GeekBench 3 (Single core) Data courtesy Primate Labs
Xeon L5420
1,380
Xeon E5450
1,619
GeekBench 3 (AES single core) Data courtesy Primate Labs
Xeon L5420
107,200 MB/s
Xeon E5450
128,600 MB/s
GeekBench (32-bit) Data courtesy Primate Labs
Xeon L5420
4,473
Xeon E5450
5,457
GeekBench (64-bit) Data courtesy Primate Labs
Xeon L5420
5,037
Xeon E5450
6,298
GeekBench
Xeon L5420
5,037
Xeon E5450
6,298
PassMark Data courtesy Passmark
Xeon L5420
3,506
Xeon E5450
4,244
PassMark (Single Core)
Xeon L5420
1,043
Xeon E5450
1,270
Specifications Full list of technical specs
summary | Xeon L5420 | vs | E5450 |
---|---|---|---|
Clock speed | 2.5 GHz | 3 GHz | |
Cores | Quad core | Quad core | |
Socket type | |||
LGA 771 | |||
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 | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 50W | 80W | |
Annual home energy cost | 12.04 $/year | 19.27 $/year | |
Annual commercial energy cost | 43.8 $/year | 70.08 $/year | |
Performance per watt | 2.75 pt/W | 2.1 pt/W | |
Typical power consumption | 40.63W | 65W | |
bus | |||
Architecture | FSB | FSB | |
Number of links | 1 | 1 | |
Clock speed | 1,333 MHz | 1,333 MHz |
details | Xeon L5420 | vs | E5450 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 4 | 4 | |
L2 cache | 12 MB | 12 MB | |
L2 cache per core | 3 MB/core | 3 MB/core | |
Manufacture process | 45 nm | 45 nm | |
Transistor count | 820,000,000 | 820,000,000 | |
Max CPUs | 2 | 2 | |
Clock multiplier | 7 | 9 | |
Voltage range | 0.85 - 1.35V | 0.85 - 1.35V | |
Operating temperature | Unknown - 57°C | Unknown - 67°C | |
overclocking | |||
Overclocked clock speed | 3.67 GHz | 3.83 GHz | |
Overclocked clock speed (Water) | 3.85 GHz | 4.1 GHz | |
Overclocked clock speed (Air) | 3.67 GHz | 3.83 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 |
Intel Xeon L5420 ![]() | Intel Xeon E5450 ![]() |
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