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Differences What are the advantages of each

Front view of Intel Xeon E5 2620 v2

Reasons to consider the
Intel Xeon E5 2620 v2

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Much more l3 cache 15 MB vs 2 MB 7.5x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 6 vs 4 2 more cores; run more applications at once
Much better performance per watt 12.06 pt/W vs 0.57 pt/W Around 21.2x better performance per watt
More threads 12 vs 4 Three times as many threads
Significantly newer manufacturing process 22 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 2.5 MB/core vs 0.5 MB/core 5x more l3 cache per core
Better overclocked clock speed (Air) 2.25 GHz vs 2.1 GHz More than 5% better overclocked clock speed (Air)
Newer Jul, 2013 vs Apr, 2008 Release date over 5 years later
Front view of AMD Opteron 2352

Reasons to consider the
AMD Opteron 2352

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More l2 cache 2 MB vs 1.5 MB Around 35% more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core

Benchmarks Real world tests of Xeon E5 2620 v2 vs Opteron 2352

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 E5 2620 v2
1,400,000 MB/s
Opteron 2352
80.8 MB/s

Specifications Full list of technical specs

summary

Xeon E5 2620 v2  vs
Opteron 2352 
Clock speed 2.1 GHz 2.1 GHz
Cores Hexa core Quad core
Socket type
LGA 2011
F
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 75W
Annual home energy cost 19.27 $/year 18.07 $/year
Annual commercial energy cost 70.08 $/year 65.7 $/year
Performance per watt 12.06 pt/W 0.57 pt/W
Typical power consumption 65W 60.94W

details

Xeon E5 2620 v2  vs
Opteron 2352 
Threads 12 4
L2 cache 1.5 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 15 MB 2 MB
L3 cache per core 2.5 MB/core 0.5 MB/core
Manufacture process 22 nm 65 nm
Max CPUs 2 2
Clock multiplier 21 10
Operating temperature Unknown - 71°C 0 - 55°C

overclocking

Overclocked clock speed 2.25 GHz 2.1 GHz
Overclocked clock speed (Water) 2.1 GHz 2.1 GHz
Overclocked clock speed (Air) 2.25 GHz 2.1 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Clock speed 3,600 MHz 1,800 MHz
Intel Xeon E5 2620 v2
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AMD Opteron 2352
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