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Differences What are the advantages of each

Front view of Intel Xeon E3-1225

Reasons to consider the
Intel Xeon E3-1225

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Much better turbo clock speed 1,350 MHz vs 1,100 MHz Around 25% better turbo clock speed
Lower typical power consumption 77.19W vs 93.6W Around 20% lower typical power consumption
Lower annual home energy cost 22.89 $/year vs 27.75 $/year Around 20% lower annual home energy cost
Lower annual commercial energy cost 83.22 $/year vs 100.92 $/year Around 20% lower annual commercial energy cost
Newer Apr, 2011 vs Jan, 2011 Release date 3 months later
Front view of Intel Core i5 2400

Reasons to consider the
Intel Core i5 2400

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Much better performance per dollar 4.58 pt/$ vs 1.01 pt/$ More than 4.5x better performance per dollar
Much better performance per watt 8.14 pt/W vs 2.31 pt/W More than 3.5x better performance per watt

Benchmarks Real world tests of Xeon E3-1225 vs Core i5 2400

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

Xeon E3-1225
9,386
Core i5 2400
10,769

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1225  vs
Core i5 2400 
Clock speed 3.1 GHz 3.1 GHz
Turbo clock speed 3.4 GHz 3.4 GHz
Cores Quad core Quad core
Socket type
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 95W
Annual home energy cost 22.89 $/year 27.75 $/year
Annual commercial energy cost 83.22 $/year 100.92 $/year
Performance per watt 2.31 pt/W 8.14 pt/W
Typical power consumption 77.19W 93.6W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Xeon E3-1225  vs
Core i5 2400 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 6 MB 6 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 31 31
Operating temperature Unknown - 72.6°C Unknown - 72.6°C

overclocking

Overclock popularity 0 63

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics P3000 Intel® HD Graphics 2000
Number of displays supported 2 2
GPU clock speed 850 MHz 850 MHz
Turbo clock speed 1,350 MHz 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Xeon E3-1225
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Intel Core i5 2400
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