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Differences What are the advantages of each

Front view of Intel Xeon 5138

Reasons to consider the
Intel Xeon 5138

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Much more l2 cache 4 MB vs 2 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much more l2 cache per core 2 MB/core vs 1 MB/core 2x more l2 cache per core
Significantly lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost
Significantly lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost
Front view of Intel Pentium E5200

Reasons to consider the
Intel Pentium E5200

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Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 2.5 GHz vs 2.13 GHz More than 15% higher clock speed
Much better overclocked clock speed (Air) 3.78 GHz vs 2.13 GHz More than 75% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 3.9 GHz vs 2.13 GHz Around 85% better overclocked clock speed (Water)
Newer Jul, 2008 vs Dec, 2006 Release date over 1 years later
Slightly higher Maximum operating temperature 74.1 °C vs 70.8 °C Around 5% higher Maximum operating temperature

Features Key features of the Xeon 5138  vs Pentium E5200 

clock speed

Xeon 5138
2.13 GHz
Pentium E5200
2.5 GHz

L2 cache

overclocked clock speed (air)

Xeon 5138
2.13 GHz
Pentium E5200
3.78 GHz

overclocked clock speed (water)

Xeon 5138
2.13 GHz
Pentium E5200
3.9 GHz

TDP

Specifications Full list of technical specs

summary

Xeon 5138  vs
Pentium E5200 
Clock speed 2.13 GHz 2.5 GHz
Cores Dual core Dual core
Socket type
LGA 771
LGA 775

features

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

power consumption

TDP 35W 65W
Annual home energy cost 8.43 $/year 15.66 $/year
Annual commercial energy cost 30.66 $/year 56.94 $/year
Typical power consumption 28.44W 52.81W

bus

Architecture FSB FSB
Number of links 1 1
Clock speed 1,066 MHz 800 MHz

details

Xeon 5138  vs
Pentium E5200 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 4 MB 2 MB
L2 cache per core 2 MB/core 1 MB/core
Manufacture process 65 nm 45 nm
Transistor count 291,000,000 228,000,000
Max CPUs 2 1
Clock multiplier 8 12
Voltage range 1 - 1.5V 0.85 - 1.36V
Operating temperature Unknown - 70.8°C Unknown - 74.1°C

overclocking

Overclocked clock speed 2.13 GHz 3.78 GHz
Overclocked clock speed (Water) 2.13 GHz 3.9 GHz
Overclocked clock speed (Air) 2.13 GHz 3.78 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 5138
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Intel Pentium E5200
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