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Differences What are the advantages of each

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 0.25 MB 8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 32 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher clock speed 3 GHz vs 2.2 GHz More than 35% higher clock speed
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Much better overclocked clock speed (Air) 3.72 GHz vs 2.2 GHz Around 70% better overclocked clock speed (Air)
More cores 2 vs 1 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 4.04 GHz vs 2.2 GHz Around 85% better overclocked clock speed (Water)
Front view of AMD Athlon 64 TF-38

Reasons to consider the
AMD Athlon 64 TF-38

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Significantly lower typical power consumption 25.19W vs 52.81W 2.1x lower typical power consumption
Significantly higher Maximum operating temperature 95 °C vs 74 °C Around 30% higher Maximum operating temperature
Significantly lower annual home energy cost 7.47 $/year vs 15.66 $/year 2.1x lower annual home energy cost
Significantly lower annual commercial energy cost 27.16 $/year vs 56.94 $/year 2.1x lower annual commercial energy cost

Features Key features of the Athlon II X2 250  vs 64 TF-38 

clock speed

L2 cache

overclocked clock speed (air)

overclocked clock speed (water)

Specifications Full list of technical specs

summary

Athlon II X2 250  vs
64 TF-38 
Clock speed 3 GHz 2.2 GHz
Cores Dual core Single core

features

Has a NX bit Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
XOP
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
ABM
CVT16
AMD-V
3DNow!
Supplemental SSE3
AES
TBM
Supports dynamic frequency scaling Yes Yes

details

Athlon II X2 250  vs
64 TF-38 
Threads 2 1
L2 cache 2 MB 0.25 MB
L2 cache per core 1 MB/core 0.25 MB/core
Manufacture process 32 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 74°C Unknown - 95°C

overclocking

Overclocked clock speed 3.72 GHz 2.2 GHz
Overclocked clock speed (Water) 4.04 GHz 2.2 GHz
Overclocked clock speed (Air) 3.72 GHz 2.2 GHz

power consumption

TDP 65W 31W
Annual home energy cost 15.66 $/year 7.47 $/year
Annual commercial energy cost 56.94 $/year 27.16 $/year
Typical power consumption 52.81W 25.19W
AMD Athlon II X2 250
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AMD Athlon 64 TF-38
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