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Differences What are the advantages of each

Front view of Intel Xeon L5240

Reasons to consider the
Intel Xeon L5240

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Much higher clock speed 3 GHz vs 1.86 GHz More than 60% higher clock speed
Much better overclocked clock speed (Air) 4.05 GHz vs 3.25 GHz Around 25% better overclocked clock speed (Air)
Lower typical power consumption 32.5W vs 52.81W Around 40% lower typical power consumption
Much better overclocked clock speed (Water) 3 GHz vs 1.87 GHz More than 60% better overclocked clock speed (Water)
Lower annual commercial energy cost 35.04 $/year vs 56.94 $/year Around 40% lower annual commercial energy cost
Lower annual home energy cost 9.64 $/year vs 15.66 $/year Around 40% lower annual home energy cost
Newer Jul, 2008 vs Nov, 2007 Release date 8 months later
Front view of Intel Xeon E5205

Reasons to consider the
Intel Xeon E5205

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CPUBoss is not aware of any important advantages of the E5205 vs the L5240.

Benchmarks Real world tests of Xeon L5240 vs E5205

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon L5240
3,000
Xeon E5205
2,892

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon L5240
1,628
Xeon E5205
1,562

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon L5240
128.5 MB/s
Xeon E5205
127,800 MB/s

PassMark Data courtesy Passmark

Xeon L5240
2,271
Xeon E5205
1,401

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon L5240  vs
E5205 
Clock speed 3 GHz 1.86 GHz
Cores Dual core Dual 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 40W 65W
Annual home energy cost 9.64 $/year 15.66 $/year
Annual commercial energy cost 35.04 $/year 56.94 $/year
Performance per watt 2.22 pt/W 1.71 pt/W
Typical power consumption 32.5W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,333 MHz 1,066 MHz

details

Xeon L5240  vs
E5205 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 6 MB
L2 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Transistor count 410,000,000 410,000,000
Max CPUs 2 2
Clock multiplier 9 7
Voltage range 0.85 - 1.35V 0.95 - 1.21V
Operating temperature Unknown - 56°C Unknown - 66°C

overclocking

Overclocked clock speed 4.05 GHz 3.25 GHz
Overclocked clock speed (Water) 3 GHz 1.87 GHz
Overclocked clock speed (Air) 4.05 GHz 3.25 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 L5240
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Intel Xeon E5205
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