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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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Much more l3 cache 3 MB vs 0 MB Compared to all cpus, 3 MB l3 cache is just OK
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
More threads 4 vs 2 Twice as many threads
Much more l3 cache per core 1.5 MB/core vs 0 MB/core Compared to all cpus, 1.5 MB/core l3 cache per core is just OK
Higher clock speed 3.1 GHz vs 3 GHz Around 5% higher clock speed
Newer Jan, 2011 vs Jun, 2009 Release date over 1 years later
Front view of AMD Athlon II X2 250

Reasons to consider the
AMD Athlon II X2 250

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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) 3.72 GHz vs 3.23 GHz More than 15% better overclocked clock speed (Air)
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) 4.04 GHz vs 3.23 GHz More than 25% better overclocked clock speed (Water)

Benchmarks Real world tests of Core i3 2100 vs Athlon II X2 250

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 250
120,700 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Reviews Word on the street

Core i3 2100  vs Athlon II X2 250 

6.0
6.0

9.3
9.6

Overall

8.0 Out of 10
8.3 Out of 10

Specifications Full list of technical specs

summary

Core i3 2100  vs
Athlon II X2 250 
Clock speed 3.1 GHz 3 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
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
Supplemental SSE3
AES
TBM
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 1.79 pt/W
Typical power consumption 98.28W 52.81W

details

Core i3 2100  vs
Athlon II X2 250 
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 0 MB
L3 cache per core 1.5 MB/core 0 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 69.1°C Unknown - 74°C

overclocking

Overclock popularity 101 25
Overclocked clock speed 3.23 GHz 3.72 GHz
Overclocked clock speed (Water) 3.23 GHz 4.04 GHz
PassMark (Overclocked) 1,518.9 2,374.3
Overclocked clock speed (Air) 3.23 GHz 3.72 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 250
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