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Differences What are the advantages of each

Front view of AMD Athlon II X2 250u

Reasons to consider the
AMD Athlon II X2 250u

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Much lower typical power consumption 20.31W vs 36.56W Around 45% lower typical power consumption
Much lower annual home energy cost 6.02 $/year vs 10.84 $/year Around 45% lower annual home energy cost
Much lower annual commercial energy cost 21.9 $/year vs 39.42 $/year Around 45% lower annual commercial energy cost
Front view of AMD Athlon II X2 250e

Reasons to consider the
AMD Athlon II X2 250e

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Much higher clock speed 3 GHz vs 1.6 GHz More than 85% higher clock speed
Much better overclocked clock speed (Air) 3.6 GHz vs 2.54 GHz More than 40% better overclocked clock speed (Air)
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Much better overclocked clock speed (Water) 3 GHz vs 1.6 GHz More than 85% better overclocked clock speed (Water)

Benchmarks Real world tests of Athlon II X2 250u vs 250e

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

Athlon II X2 250u
63,700 MB/s
Athlon II X2 250e
120.7 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon II X2 250u  vs
250e 
Clock speed 1.6 GHz 3 GHz
Cores Dual core Dual core
Socket type
AM3
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support No Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 25W 45W
Annual home energy cost 6.02 $/year 10.84 $/year
Annual commercial energy cost 21.9 $/year 39.42 $/year
Performance per watt 2.52 pt/W 1.75 pt/W
Typical power consumption 20.31W 36.56W

bus

Clock speed 1,600 MHz 2,000 MHz

details

Athlon II X2 250u  vs
250e 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 2 MB 2 MB
L2 cache per core 1 MB/core 1 MB/core
L3 cache 1 MB 1 MB
L3 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Voltage range 0.85 - 1.15V 0.85 - 1.4V
Operating temperature Unknown - 81°C Unknown - 72°C

overclocking

Overclocked clock speed 2.54 GHz 3.6 GHz
Overclocked clock speed (Water) 1.6 GHz 3 GHz
Overclocked clock speed (Air) 2.54 GHz 3.6 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A
AMD Athlon II X2 250u
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AMD Athlon II X2 250e
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