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Intel Xeon E5-2420 v2

Front view of Intel Xeon E5-2420 v2
Front view of Intel Core i5 3470

Intel Core i5 3470

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Differences What are the advantages of each

Front view of Intel Xeon E5-2420 v2

Reasons to consider the
Intel Xeon E5-2420 v2

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Significantly more l3 cache 15 MB vs 6 MB 2.5x more l3 cache; more data can be stored in the l3 cache for quick access later
More l2 cache 1.5 MB vs 1 MB 50% more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly lower typical power consumption 65W vs 86.05W Around 25% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More threads 12 vs 4 Three times as many threads
Significantly more l3 cache per core 2.5 MB/core vs 1.5 MB/core More than 65% more l3 cache per core
More cores 6 vs 4 2 more cores; run more applications at once
Supports more RAM 393,216 MB vs 32,768 MB Supports 12x more RAM
Better PassMark score 8,570 vs 6,607 Around 30% better PassMark score
Higher Maximum operating temperature 76 °C vs 67.4 °C Around 15% higher Maximum operating temperature
Much lower annual home energy cost 19.27 $/year vs 31.22 $/year Around 40% lower annual home energy cost
Newer Jan, 2014 vs Jun, 2012 Release date over 1 years later
Lower annual commercial energy cost 70.08 $/year vs 84.62 $/year More than 15% 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 2.2 GHz More than 45% higher clock speed
Significantly higher turbo clock speed 3.6 GHz vs 2.7 GHz Around 35% higher turbo clock speed
Much better performance per dollar 2.7 pt/$ vs 0.53 pt/$ Around 5.2x better performance per dollar
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Better PassMark (Single core) score 1,906 vs 1,355 More than 40% better PassMark (Single core) score
Better performance per watt 4.41 pt/W vs 2.67 pt/W More than 65% better performance per watt

Benchmarks Real world tests of Xeon E5-2420 v2 vs Core i5 3470

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-2420 v2
13,425
Core i5 3470
9,436

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon E5-2420 v2
2,240
Core i5 3470
2,983

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-2420 v2
1,590 MB/s
Core i5 3470
2,470,000 MB/s

PassMark Data courtesy Passmark

Xeon E5-2420 v2
8,570
Core i5 3470
6,607

PassMark (Single Core)

Xeon E5-2420 v2
1,355
Core i5 3470
1,906

Specifications Full list of technical specs

summary

 Xeon E5-2420 v2  vs
Core i5 3470 
Clock speed 2.2 GHz 3.2 GHz
Turbo clock speed 2.7 GHz 3.6 GHz
Cores Hexa core Quad core
Socket type
LGA 1356
LGA 1155
Is unlocked No No

features
Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption
TDP 80W 77W
Annual home energy cost 19.27 $/year 31.22 $/year
Annual commercial energy cost 70.08 $/year 84.62 $/year
Performance per watt 2.67 pt/W 4.41 pt/W
Typical power consumption 65W 86.05W

bus
Architecture QPI DMI 2.0
Number of links 1 1
Data rate 28,800 MB/s 2,560 MB/s
Transfer rate 5,000 MT/s 5,000 MT/s

details

 Xeon E5-2420 v2  vs
Core i5 3470 
Architecture x86-64 x86-64
Threads 12 4
L2 cache 1.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 15 MB 6 MB
L3 cache per core 2.5 MB/core 1.5 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 2 1
Clock multiplier 22 32
Voltage range 0.65 - 1.3V Unknown - 1.13V
Operating temperature Unknown - 76°C Unknown - 67.4°C

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
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 19,200 MB/s 25,600 MB/s
Maximum memory size 393,216 MB 32,768 MB
Intel Xeon E5-2420 v2
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Intel Core i5 3470
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