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Differences What are the advantages of each

Front view of Intel Xeon X5670

Reasons to consider the
Intel Xeon X5670

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Significantly higher clock speed 2.93 GHz vs 2.2 GHz Around 35% higher clock speed
Much lower typical power consumption 77.19W vs 121.88W More than 35% lower typical power consumption
Much better overclocked clock speed (Air) 4.29 GHz vs 2.2 GHz More than 95% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.5 GHz vs 2.2 GHz More than 2x better overclocked clock speed (Water)
Much lower annual home energy cost 22.89 $/year vs 36.13 $/year More than 35% lower annual home energy cost
Much lower annual commercial energy cost 83.22 $/year vs 131.4 $/year More than 35% lower annual commercial energy cost
Higher Maximum operating temperature 81.3 °C vs 77 °C More than 5% higher Maximum operating temperature
Front view of Intel E7-8880V4

Reasons to consider the
Intel E7-8880V4

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Supports more CPUs in SMP configuration 8 vs 2 6 supports more CPUs in SMP configuration
Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 22 vs 6 16 more cores; run more applications at once
Supports more RAM 3,145,728 MB vs 294,912 MB Supports around 10.8x more RAM
More threads 44 vs 12 32 more threads
Newer Apr, 2016 vs Mar, 2010 Release date over 6 years later

Features Key features of the Xeon X5670  vs E7-8880V4 

clock speed

Xeon X5670
2.93 GHz
E7-8880V4
2.2 GHz

turbo clock speed

Xeon X5670
3.33 GHz
E7-8880V4
3.3 GHz

overclocked clock speed (air)

Xeon X5670
4.29 GHz
E7-8880V4
2.2 GHz

overclocked clock speed (water)

Xeon X5670
4.5 GHz
E7-8880V4
2.2 GHz

TDP

Specifications Full list of technical specs

summary

Xeon X5670  vs
E7-8880V4 
Clock speed 2.93 GHz 2.2 GHz
Turbo clock speed 3.33 GHz 3.3 GHz
Cores Hexa core Processing Cores

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 150W
Annual home energy cost 22.89 $/year 36.13 $/year
Annual commercial energy cost 83.22 $/year 131.4 $/year
Typical power consumption 77.19W 121.88W

bus

Architecture QPI FSB
Number of links 2 3
Transfer rate 6,400 MT/s 9,600 MT/s

details

Xeon X5670  vs
E7-8880V4 
Architecture x86-64 x86-64
Threads 12 44
Manufacture process 32 nm 14 nm
Max CPUs 2 8
Operating temperature Unknown - 81.3°C Unknown - 77°C

overclocking

Overclocked clock speed 4.29 GHz 2.2 GHz
Overclocked clock speed (Water) 4.5 GHz 2.2 GHz
Overclocked clock speed (Air) 4.29 GHz 2.2 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 51,200 MB/s
Maximum memory size 294,912 MB 3,145,728 MB
Intel Xeon X5670
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Intel E7-8880V4
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