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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
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 4 vs 2 Twice as many threads
Newer Jan, 2011 vs May, 2010 Release date 7 months later
Front view of AMD Athlon II X2 260

Reasons to consider the
AMD Athlon II X2 260

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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 more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much lower typical power consumption 52.81W vs 98.28W More than 45% lower typical power consumption
Much better overclocked clock speed (Air) 3.84 GHz vs 3.23 GHz Around 20% better overclocked clock speed (Air)
Higher clock speed 3.2 GHz vs 3.1 GHz Around 5% higher clock speed
Significantly higher Maximum operating temperature 74 °C vs 69.1 °C More than 5% higher Maximum operating temperature
Much lower annual home energy cost 15.66 $/year vs 37.88 $/year 2.4x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 93.47 $/year Around 40% lower annual commercial energy cost
Much better overclocked clock speed (Water) 3.91 GHz vs 3.23 GHz More than 20% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i3 2100 vs Athlon II X2 260

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 2100
153,100 MB/s
Athlon II X2 260
128,900 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 2100  vs
Athlon II X2 260 
Clock speed 3.1 GHz 3.2 GHz
Cores Dual core Dual core
Socket type
LGA 1155
AM3
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 65W
Annual home energy cost 37.88 $/year 15.66 $/year
Annual commercial energy cost 93.47 $/year 56.94 $/year
Performance per watt 1.41 pt/W 1.91 pt/W
Typical power consumption 98.28W 52.81W

details

Core i3 2100  vs
Athlon II X2 260 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 0.5 MB 2 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 3 MB 1 MB
L3 cache per core 1.5 MB/core 0.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1
Operating temperature Unknown - 69.1°C Unknown - 74°C

overclocking

Overclock popularity 101 13
Overclock review score 4.5 3.91
Overclocked clock speed 3.23 GHz 3.84 GHz
Overclocked clock speed (Water) 3.23 GHz 3.91 GHz
Overclocked clock speed (Air) 3.23 GHz 3.84 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 Athlon II X2 260
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