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Differences What are the advantages of each

Front view of Intel Core i3 2120

Reasons to consider the
Intel Core i3 2120

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Significantly higher clock speed 3.3 GHz vs 2.1 GHz More than 55% higher clock speed
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
Much better geekbench 3 Multi-Core score 5,074 vs 1,000 More than 5x better geekbench 3 Multi-Core score
Much better geekbench 3 single core score 2,371 vs 1,004.5 More than 2.2x better geekbench 3 single core score
Significantly better overclocked clock speed (Air) 3.42 GHz vs 2.1 GHz Around 65% better overclocked clock speed (Air)
Higher Maximum operating temperature 69.1 °C vs 55 °C More than 25% higher Maximum operating temperature
Better performance per watt 2.79 pt/W vs 0.62 pt/W Around 4.5x better performance per watt
Newer Jan, 2011 vs Jan, 2009 Release date over 1 years later
Significantly better overclocked clock speed (Water) 3.37 GHz vs 2.1 GHz More than 60% better overclocked clock speed (Water)
Front view of AMD Opteron 2372 HE

Reasons to consider the
AMD Opteron 2372 HE

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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
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
Lower typical power consumption 44.69W vs 52.81W More than 15% lower typical power consumption
Lower annual home energy cost 13.25 $/year vs 15.66 $/year More than 15% lower annual home energy cost
Lower annual commercial energy cost 48.18 $/year vs 56.94 $/year More than 15% lower annual commercial energy cost

Benchmarks Real world tests of Core i3 2120 vs Opteron 2372 HE

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i3 2120
162,800 MB/s
Opteron 2372 HE
78.7 MB/s

Specifications Full list of technical specs

summary

Core i3 2120  vs
Opteron 2372 HE 
Clock speed 3.3 GHz 2.1 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 55W
Annual home energy cost 15.66 $/year 13.25 $/year
Annual commercial energy cost 56.94 $/year 48.18 $/year
Performance per watt 2.79 pt/W 0.62 pt/W
Typical power consumption 52.81W 44.69W

details

Core i3 2120  vs
Opteron 2372 HE 
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 33 10
Operating temperature Unknown - 69.1°C 0 - 55°C

overclocking

Overclocked clock speed 3.42 GHz 2.1 GHz
Overclocked clock speed (Water) 3.37 GHz 2.1 GHz
Overclocked clock speed (Air) 3.42 GHz 2.1 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 2120
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AMD Opteron 2372 HE
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