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Differences What are the advantages of each

Front view of Intel Xeon L5410

Reasons to consider the
Intel Xeon L5410

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Much more l2 cache 12 MB vs 6 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Lower typical power consumption 40.63W vs 52.81W Around 25% lower typical power consumption
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Better PassMark score 3,349 vs 2,160 More than 55% better PassMark score
Lower annual home energy cost 12.04 $/year vs 15.66 $/year Around 25% lower annual home energy cost
Lower annual commercial energy cost 43.8 $/year vs 56.94 $/year Around 25% lower annual commercial energy cost
Newer Mar, 2008 vs Jan, 2008 Release date 2 months later
Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Higher clock speed 3 GHz vs 2.33 GHz Around 30% higher clock speed
Much better performance per dollar 0.67 pt/$ vs 0.21 pt/$ Around 3.2x better performance per dollar
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly better overclocked clock speed (Air) 4.22 GHz vs 2.96 GHz Around 45% better overclocked clock speed (Air)
Significantly higher Maximum operating temperature 72.4 °C vs 57 °C More than 25% higher Maximum operating temperature
Better PassMark (Single core) score 1,251 vs 1,022 More than 20% better PassMark (Single core) score
Better overclocked clock speed (Water) 4.23 GHz vs 3.58 GHz Around 20% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon L5410 vs Core2 Duo E8400

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

Xeon L5410
76.7 MB/s
Core2 Duo E8400
128,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs


Xeon L5410  vs
Core2 Duo E8400 
Clock speed 2.33 GHz 3 GHz
Cores Quad core Dual core
Socket type
LGA 771
LGA 775


Has a NX bit Yes Yes
Supports trusted computing No Yes
Has virtualization support Yes Yes
Instruction set extensions
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 50W 65W
Annual home energy cost 12.04 $/year 15.66 $/year
Annual commercial energy cost 43.8 $/year 56.94 $/year
Performance per watt 1.46 pt/W 1.83 pt/W
Typical power consumption 40.63W 52.81W


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


Xeon L5410  vs
Core2 Duo E8400 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 12 MB 6 MB
L2 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Transistor count 820,000,000 410,000,000
Max CPUs 2 1
Clock multiplier 7 9
Voltage range 0.85 - 1.35V 0.85 - 1.36V
Operating temperature Unknown - 57°C Unknown - 72.4°C


Overclocked clock speed 2.96 GHz 4.22 GHz
Overclocked clock speed (Water) 3.58 GHz 4.23 GHz
Overclocked clock speed (Air) 2.96 GHz 4.22 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 L5410
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Intel Core2 Duo E8400
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