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Differences What are the advantages of each

Front view of Intel Core i3 2100

Reasons to consider the
Intel Core i3 2100

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 3.1 GHz vs 2.6 GHz Around 20% higher clock speed
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
Better overclocked clock speed (Air) 3.23 GHz vs 2.6 GHz Around 25% better overclocked clock speed (Air)
Newer Jan, 2011 vs Nov, 2008 Release date over 2 years later
Better overclocked clock speed (Water) 3.23 GHz vs 2.6 GHz Around 25% better overclocked clock speed (Water)
Front view of AMD Opteron 2382

Reasons to consider the
AMD Opteron 2382

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 60.94W vs 98.28W Around 40% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
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
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 18.07 $/year vs 37.88 $/year 2.1x lower annual home energy cost
Significantly lower annual commercial energy cost 65.7 $/year vs 93.47 $/year Around 30% lower annual commercial energy cost

Features Key features of the Core i3 2100  vs Opteron 2382 

clock speed

Core i3 2100
3.1 GHz
Opteron 2382
2.6 GHz

L2 cache

L3 cache

overclocked clock speed (air)

Core i3 2100
3.23 GHz
Opteron 2382
2.6 GHz

overclocked clock speed (water)

Core i3 2100
3.23 GHz
Opteron 2382
2.6 GHz

Specifications Full list of technical specs

summary

Core i3 2100  vs
Opteron 2382 
Clock speed 3.1 GHz 2.6 GHz
Cores Dual core Quad core
Socket type
LGA 1155
F
Is unlocked No No

features

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

power consumption

TDP 65W 75W
Annual home energy cost 37.88 $/year 18.07 $/year
Annual commercial energy cost 93.47 $/year 65.7 $/year
Typical power consumption 98.28W 60.94W

details

Core i3 2100  vs
Opteron 2382 
Threads 4 4
L2 cache 0.5 MB 2 MB
L2 cache per core 0.25 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 2
Clock multiplier 31 13
Operating temperature Unknown - 69.1°C 0 - 55°C

overclocking

Overclocked clock speed 3.23 GHz 2.6 GHz
Overclocked clock speed (Water) 3.23 GHz 2.6 GHz
Overclocked clock speed (Air) 3.23 GHz 2.6 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 2000 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 Core i3 2100
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AMD Opteron 2382
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