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Differences What are the advantages of each

Front view of Intel Xeon L5215

Reasons to consider the
Intel Xeon L5215

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Much more l2 cache 6 MB vs 4 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 2 MB/core 50% more l2 cache per core
Newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower typical power consumption 16.25W vs 32.5W 2x lower typical power consumption
Lower annual commercial energy cost 17.52 $/year vs 35.04 $/year 2x lower annual commercial energy cost
Lower annual home energy cost 4.82 $/year vs 9.64 $/year 2x lower annual home energy cost
Newer Jul, 2008 vs Sep, 2006 Release date over 1 years later
Front view of Intel Xeon 5148

Reasons to consider the
Intel Xeon 5148

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Much higher clock speed 2.33 GHz vs 1.86 GHz More than 25% higher clock speed
Much better overclocked clock speed (Air) 3.1 GHz vs 1.87 GHz More than 65% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 2.33 GHz vs 1.87 GHz Around 25% better overclocked clock speed (Water)

Features Key features of the Xeon L5215  vs 5148 

clock speed

Xeon L5215
1.86 GHz
Xeon 5148
2.33 GHz

L2 cache

Xeon L5215
6 MB
Xeon 5148
4 MB

overclocked clock speed (air)

Xeon L5215
1.87 GHz
Xeon 5148
3.1 GHz

overclocked clock speed (water)

Xeon L5215
1.87 GHz
Xeon 5148
2.33 GHz

TDP

Specifications Full list of technical specs

summary

Xeon L5215  vs
5148 
Clock speed 1.86 GHz 2.33 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 20W 40W
Annual home energy cost 4.82 $/year 9.64 $/year
Annual commercial energy cost 17.52 $/year 35.04 $/year
Typical power consumption 16.25W 32.5W

bus

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

details

Xeon L5215  vs
5148 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 4 MB
L2 cache per core 3 MB/core 2 MB/core
Manufacture process 45 nm 65 nm
Transistor count 410,000,000 291,000,000
Max CPUs 2 2
Clock multiplier 7 7
Voltage range 0.85 - 1.35V 1.15 - 1.25V
Operating temperature Unknown - 75°C Unknown - 58°C

overclocking

Overclocked clock speed 1.87 GHz 3.1 GHz
Overclocked clock speed (Water) 1.87 GHz 2.33 GHz
Overclocked clock speed (Air) 1.87 GHz 3.1 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 L5215
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Intel Xeon 5148
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