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Differences What are the advantages of each

Front view of Intel Xeon E7-8850

Reasons to consider the
Intel Xeon E7-8850

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Much more l2 cache 3 MB vs 1 MB 3x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
More threads 20 vs 2 18 more threads
More cores 10 vs 2 8 more cores; run more applications at once
Higher clock speed 2 GHz vs 1.73 GHz More than 15% higher clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Apr, 2011 vs Apr, 2007 Release date over 4 years later
Better overclocked clock speed (Water) 2 GHz vs 1.73 GHz More than 15% better overclocked clock speed (Water)
Front view of Intel Pentium T2080

Reasons to consider the
Intel Pentium T2080

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Much lower typical power consumption 25.19W vs 105.63W 4.2x lower typical power consumption
Much lower annual home energy cost 7.47 $/year vs 31.32 $/year 4.2x lower annual home energy cost
Much lower annual commercial energy cost 27.16 $/year vs 113.88 $/year 4.2x lower annual commercial energy cost
More l2 cache per core 0.5 MB/core vs 0.3 MB/core More than 65% more l2 cache per core
Better overclocked clock speed (Air) 2.2 GHz vs 2 GHz Around 10% better overclocked clock speed (Air)

Features Key features of the Xeon E7-8850  vs Pentium T2080 

clock speed

Xeon E7-8850
2 GHz
Pentium T2080
1.73 GHz

L2 cache

overclocked clock speed (air)

Xeon E7-8850
2 GHz
Pentium T2080
2.2 GHz

overclocked clock speed (water)

Xeon E7-8850
2 GHz
Pentium T2080
1.73 GHz

Specifications Full list of technical specs

summary

Xeon E7-8850  vs
Pentium T2080 
Clock speed 2 GHz 1.73 GHz
Cores Deca core Dual core
Socket type
LGA 1567
478

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
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 31W
Annual home energy cost 31.32 $/year 7.47 $/year
Annual commercial energy cost 113.88 $/year 27.16 $/year
Typical power consumption 105.63W 25.19W

details

Xeon E7-8850  vs
Pentium T2080 
Architecture x86-64 x86
Threads 20 2
L2 cache 3 MB 1 MB
L2 cache per core 0.3 MB/core 0.5 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 8 1
Clock multiplier 15 13

overclocking

Overclocked clock speed 2 GHz 2.2 GHz
Overclocked clock speed (Water) 2 GHz 1.73 GHz
Overclocked clock speed (Air) 2 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

bus

Architecture QPI FSB
Number of links 1 1
Clock speed 3,200 MHz 533 MHz
Intel Xeon E7-8850
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Intel Pentium T2080
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