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Differences What are the advantages of each

Front view of Intel Xeon E3-1220 v2

Reasons to consider the
Intel Xeon E3-1220 v2

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Much better performance per dollar 4.66 pt/$ vs 2.86 pt/$ Around 65% better performance per dollar
Significantly newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly lower typical power consumption 56.06W vs 77.19W More than 25% lower typical power consumption
Significantly better performance per watt 13.51 pt/W vs 9.04 pt/W Around 50% better performance per watt
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 l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Slightly better geekbench 3 Multi-Core score 9,259 vs 8,816 More than 5% better geekbench 3 Multi-Core score
Newer May, 2012 vs Jan, 2011 Release date over 1 years later
Significantly lower annual home energy cost 16.62 $/year vs 22.89 $/year More than 25% lower annual home energy cost
Significantly lower annual commercial energy cost 60.44 $/year vs 83.22 $/year More than 25% lower annual commercial energy cost
Front view of Intel Core i5 2500

Reasons to consider the
Intel Core i5 2500

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 3.3 GHz vs 3.1 GHz More than 5% higher clock speed
Slightly higher turbo clock speed 3.7 GHz vs 3.5 GHz More than 5% higher turbo clock speed
Better overclocked clock speed (Air) 3.7 GHz vs 3.45 GHz More than 5% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 4.21 GHz vs 3.1 GHz More than 35% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E3-1220 v2 vs Core i5 2500

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E3-1220 v2
2,200,000 MB/s
Core i5 2500
2,410,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1220 v2  vs
Core i5 2500 
Clock speed 3.1 GHz 3.3 GHz
Turbo clock speed 3.5 GHz 3.7 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 69W 95W
Annual home energy cost 16.62 $/year 22.89 $/year
Annual commercial energy cost 60.44 $/year 83.22 $/year
Performance per watt 13.51 pt/W 9.04 pt/W
Typical power consumption 56.06W 77.19W

bus

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

details

Xeon E3-1220 v2  vs
Core i5 2500 
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 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nm 32 nm
Max CPUs 1 1
Clock multiplier 31 33

overclocking

Overclock popularity 1 57
Overclocked clock speed 3.45 GHz 3.7 GHz
Overclocked clock speed (Water) 3.1 GHz 4.21 GHz
Overclocked clock speed (Air) 3.45 GHz 3.7 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2000
Number of displays supported N/A 2
GPU clock speed N/A 850 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 21,333.32 MB/s
Maximum memory size 33,556.48 MB 32,768 MB
Intel Xeon E3-1220 v2
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Intel Core i5 2500
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