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Differences What are the advantages of each

Front view of Intel Pentium G620

Reasons to consider the
Intel Pentium G620

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher Maximum operating temperature 69.1 °C vs 55 °C More than 25% higher Maximum operating temperature
Newer Apr, 2011 vs Nov, 2008 Release date over 2 years later
Front view of AMD Opteron 8382

Reasons to consider the
AMD Opteron 8382

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Supports more CPUs in SMP configuration 8 vs 1 7 supports more CPUs in SMP configuration
Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More l3 cache 6 MB vs 3 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 4 vs 2 Twice as many cores; run more applications at once
Lower typical power consumption 60.94W vs 70.8W Around 15% lower typical power consumption
More threads 4 vs 2 Twice as many threads
Much lower annual home energy cost 18.07 $/year vs 27.64 $/year Around 35% lower annual home energy cost

Features Key features of the Pentium G620  vs Opteron 8382 

clock speed

Pentium G620
2.6 GHz
Opteron 8382
2.6 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Pentium G620
2.72 GHz
Opteron 8382
2.81 GHz

overclocked clock speed (water)

Pentium G620
2.6 GHz
Opteron 8382
2.6 GHz

Specifications Full list of technical specs

summary

Pentium G620  vs
Opteron 8382 
Clock speed 2.6 GHz 2.6 GHz
Cores Dual core Quad core
Socket type
LGA 1155
F

features

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

power consumption

TDP 65W 75W
Annual home energy cost 27.64 $/year 18.07 $/year
Annual commercial energy cost 66.84 $/year 65.7 $/year
Typical power consumption 70.8W 60.94W

details

Pentium G620  vs
Opteron 8382 
Threads 2 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 3 MB 6 MB
L3 cache per core 1.5 MB/core 1.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 8
Clock multiplier 26 13
Operating temperature Unknown - 69.1°C 0 - 55°C

overclocking

Overclocked clock speed 2.72 GHz 2.81 GHz
Overclocked clock speed (Water) 2.6 GHz 2.6 GHz
Overclocked clock speed (Air) 2.72 GHz 2.81 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,100 MHz N/A
Intel Pentium G620
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AMD Opteron 8382
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