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Intel Xeon E5440

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Front view of Intel Xeon E5440

Differences What are the advantages of each

Front view of Intel Xeon E5440

Reasons to consider the
Intel Xeon E5440

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Much more l2 cache 12 MB vs 1 MB 12x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.83 GHz vs 2.1 GHz Around 35% higher clock speed
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Much better overclocked clock speed (Air) 3.61 GHz vs 2.1 GHz More than 70% better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 3.96 GHz vs 2.1 GHz Around 90% better overclocked clock speed (Water)
Better PassMark score 4,000 vs 2,839 More than 40% better PassMark score
Front view of Intel Core i3 2310E

Reasons to consider the
Intel Core i3 2310E

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 28.44W vs 65W 2.3x lower typical power consumption
Much higher Maximum operating temperature 100 °C vs 67 °C Around 50% higher Maximum operating temperature
Significantly better performance per dollar 0.59 pt/$ vs 0.22 pt/$ Around 2.8x better performance per dollar
Newer Jan, 2011 vs Nov, 2007 Release date over 3 years later
Better performance per watt 3.46 pt/W vs 2 pt/W Around 75% better performance per watt
Much lower annual home energy cost 8.43 $/year vs 19.27 $/year 2.3x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 70.08 $/year 2.3x lower annual commercial energy cost

Benchmarks Real world tests of Xeon E5440 vs Core i3 2310E

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5440  vs
Core i3 2310E 
Clock speed 2.83 GHz 2.1 GHz
Cores Quad core Dual core
Socket type
LGA 771
BGA 1023

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 35W
Annual home energy cost 19.27 $/year 8.43 $/year
Annual commercial energy cost 70.08 $/year 30.66 $/year
Performance per watt 2 pt/W 3.46 pt/W
Typical power consumption 65W 28.44W

details

Xeon E5440  vs
Core i3 2310E 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 12 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 2 1
Clock multiplier 8 21
Operating temperature Unknown - 67°C Unknown - 100°C

overclocking

Overclocked clock speed 3.61 GHz 2.1 GHz
Overclocked clock speed (Water) 3.96 GHz 2.1 GHz
Overclocked clock speed (Air) 3.61 GHz 2.1 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 3000
Number of displays supported N/A 2
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,050 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Xeon E5440
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Intel Core i3 2310E
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