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Differences What are the advantages of each

Front view of Intel Xeon E3-1220

Reasons to consider the
Intel Xeon E3-1220

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Significantly lower typical power consumption 65W vs 93.6W More than 30% 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
Significantly better performance per watt 12.06 pt/W vs 8.14 pt/W Around 50% better performance per watt
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better geekbench 3 Multi-Core score 8,827 vs 8,298 More than 5% better geekbench 3 Multi-Core score
Significantly lower annual home energy cost 19.27 $/year vs 27.75 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 70.08 $/year vs 100.92 $/year More than 30% 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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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Slightly higher Maximum operating temperature 72.6 °C vs 69.1 °C More than 5% higher Maximum operating temperature
Better overclocked clock speed (Water) 3.51 GHz vs 3.1 GHz Around 15% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E3-1220 vs Core i5 2400

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
2,320,000 MB/s
Core i5 2400
2,260,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

Xeon E3-1220
9,866
Core i5 2400
10,769

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1220  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 80W 95W
Annual home energy cost 19.27 $/year 27.75 $/year
Annual commercial energy cost 70.08 $/year 100.92 $/year
Performance per watt 12.06 pt/W 8.14 pt/W
Typical power consumption 65W 93.6W

bus

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

details

Xeon E3-1220  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 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 31 31
Operating temperature Unknown - 69.1°C Unknown - 72.6°C

overclocking

Overclock popularity 2 63
Overclocked clock speed 3.49 GHz 3.54 GHz
Overclocked clock speed (Water) 3.1 GHz 3.51 GHz
Overclocked clock speed (Air) 3.49 GHz 3.54 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
DDR3-1333
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 E3-1220
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Intel Core i5 2400
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