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Differences What are the advantages of each

Front view of Intel Xeon 7120M

Reasons to consider the
Intel Xeon 7120M

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Supports more CPUs in SMP configuration 32 vs 1 31 supports more CPUs in SMP configuration
Much more l2 cache 4 MB vs 1 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 2 MB/core vs 0.5 MB/core 4x more l2 cache per core
Higher clock speed 3 GHz vs 2.7 GHz More than 10% higher clock speed
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
More threads 4 vs 2 Twice as many threads
Better overclocked clock speed (Air) 3 GHz vs 2.7 GHz More than 10% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 3 GHz vs 2.7 GHz More than 10% better overclocked clock speed (Water)
Front view of Intel Pentium G3420T

Reasons to consider the
Intel Pentium G3420T

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Much newer manufacturing process 22 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 28.44W vs 77.19W 2.7x lower typical power consumption
Newer Jul, 2013 vs Aug, 2006 Release date over 6 years later
Much lower annual home energy cost 8.43 $/year vs 22.89 $/year 2.7x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 83.22 $/year 2.7x lower annual commercial energy cost
Higher Maximum operating temperature 66.4 °C vs 60 °C More than 10% higher Maximum operating temperature

Features Key features of the Xeon 7120M  vs Pentium G3420T 

clock speed

Xeon 7120M
3 GHz
Pentium G3420T
2.7 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Xeon 7120M
3 GHz
Pentium G3420T
2.7 GHz

overclocked clock speed (water)

Xeon 7120M
3 GHz
Pentium G3420T
2.7 GHz

Specifications Full list of technical specs

summary

Xeon 7120M  vs
Pentium G3420T 
Clock speed 3 GHz 2.7 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 35W
Annual home energy cost 22.89 $/year 8.43 $/year
Annual commercial energy cost 83.22 $/year 30.66 $/year
Typical power consumption 77.19W 28.44W

details

Xeon 7120M  vs
Pentium G3420T 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 4 MB 1 MB
L2 cache per core 2 MB/core 0.5 MB/core
L3 cache 4 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 65 nm 22 nm
Max CPUs 32 1
Operating temperature Unknown - 60°C Unknown - 66.4°C

overclocking

Overclocked clock speed 3 GHz 2.7 GHz
Overclocked clock speed (Water) 3 GHz 2.7 GHz
Overclocked clock speed (Air) 3 GHz 2.7 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 3
GPU clock speed N/A 200 MHz
Turbo clock speed N/A 1,100 MHz

bus

Architecture FSB DMI 2.0
Number of links 1 0
Intel Xeon 7120M
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Intel Pentium G3420T
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