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Differences What are the advantages of each

Front view of Intel Xeon E7-8860

Reasons to consider the
Intel Xeon E7-8860

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 20 vs 2 18 more threads
More cores 10 vs 2 8 more cores; run more applications at once
Newer Apr, 2011 vs Jan, 2008 Release date over 3 years later
Front view of Intel Core2 Duo E8200

Reasons to consider the
Intel Core2 Duo E8200

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Much more l2 cache 6 MB vs 3 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 0.3 MB/core More than 10x more l2 cache per core
Much lower typical power consumption 52.81W vs 105.63W 2x lower typical power consumption
Higher clock speed 2.66 GHz vs 2.26 GHz Around 20% higher clock speed
Much better overclocked clock speed (Air) 4 GHz vs 2.51 GHz Around 60% better overclocked clock speed (Air)
Much lower annual home energy cost 15.66 $/year vs 31.32 $/year 2x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 113.88 $/year 2x lower annual commercial energy cost
Much better overclocked clock speed (Water) 4.08 GHz vs 2.27 GHz More than 80% better overclocked clock speed (Water)
Slightly higher Maximum operating temperature 72.4 °C vs 69 °C Around 5% higher Maximum operating temperature

Features Key features of the Xeon E7-8860  vs Core2 Duo E8200 

clock speed

Xeon E7-8860
2.26 GHz
Core2 Duo E8200
2.66 GHz

L2 cache

overclocked clock speed (air)

Xeon E7-8860
2.51 GHz

overclocked clock speed (water)

Xeon E7-8860
2.27 GHz
Core2 Duo E8200
4.08 GHz

Specifications Full list of technical specs

summary

Xeon E7-8860  vs
Core2 Duo E8200 
Clock speed 2.26 GHz 2.66 GHz
Cores Deca core Dual core
Socket type
LGA 1567
LGA 775

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
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 65W
Annual home energy cost 31.32 $/year 15.66 $/year
Annual commercial energy cost 113.88 $/year 56.94 $/year
Typical power consumption 105.63W 52.81W

details

Xeon E7-8860  vs
Core2 Duo E8200 
Architecture x86-64 x86-64
Threads 20 2
L2 cache 3 MB 6 MB
L2 cache per core 0.3 MB/core 3 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 8 1
Clock multiplier 17 8
Operating temperature Unknown - 69°C Unknown - 72.4°C

overclocking

Overclocked clock speed 2.51 GHz 4 GHz
Overclocked clock speed (Water) 2.27 GHz 4.08 GHz
Overclocked clock speed (Air) 2.51 GHz 4 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

Architecture QPI FSB
Number of links 1 1
Clock speed 3,200 MHz 1,333 MHz
Intel Xeon E7-8860
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Intel Core2 Duo E8200
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