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Differences What are the advantages of each

Front view of Intel Xeon E3-1125C

Reasons to consider the
Intel Xeon E3-1125C

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Much lower typical power consumption 32.5W vs 86.05W 2.6x lower typical power consumption
Slightly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 8 vs 4 Twice as many threads
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Much lower annual home energy cost 9.64 $/year vs 31.22 $/year 3.2x lower annual home energy cost
Much lower annual commercial energy cost 35.04 $/year vs 84.62 $/year 2.4x lower annual commercial energy cost
Front view of Intel Core i5 3470

Reasons to consider the
Intel Core i5 3470

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Significantly higher clock speed 3.2 GHz vs 2 GHz More than 60% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better overclocked clock speed (Air) 3.67 GHz vs 2 GHz Around 85% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.09 GHz vs 2 GHz More than 2x better overclocked clock speed (Water)
Newer Jun, 2012 vs Apr, 2012 Release date 2 months later

Features Key features of the Xeon E3-1125C  vs Core i5 3470 

clock speed

Core i5 3470
3.2 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Core i5 3470
3.67 GHz

overclocked clock speed (water)

Core i5 3470
4.09 GHz

Specifications Full list of technical specs

summary

Xeon E3-1125C  vs
Core i5 3470 
Clock speed 2 GHz 3.2 GHz
Cores Quad core Quad core

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 40W 77W
Annual home energy cost 9.64 $/year 31.22 $/year
Annual commercial energy cost 35.04 $/year 84.62 $/year
Typical power consumption 32.5W 86.05W

bus

Architecture DMI DMI 2.0
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Xeon E3-1125C  vs
Core i5 3470 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2 GHz 3.67 GHz
Overclocked clock speed (Water) 2 GHz 4.09 GHz
Overclocked clock speed (Air) 2 GHz 3.67 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2500
Latest DirectX N/A 11.0
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,600 MB/s 25,600 MB/s
Maximum memory size 32,768 MB 32,768 MB
Intel Xeon E3-1125C
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Intel Core i5 3470
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