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Differences What are the advantages of each

Front view of AMD Athlon X2 4450e

Reasons to consider the
AMD Athlon X2 4450e

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Significantly lower typical power consumption 36.56W vs 52.81W More than 30% lower typical power consumption
Significantly higher Maximum operating temperature 78 °C vs 74 °C More than 5% higher Maximum operating temperature
Significantly better overclocked clock speed (Water) 3.27 GHz vs 2.8 GHz More than 15% better overclocked clock speed (Water)
Significantly lower annual home energy cost 10.84 $/year vs 15.66 $/year More than 30% lower annual home energy cost
Significantly lower annual commercial energy cost 39.42 $/year vs 56.94 $/year More than 30% lower annual commercial energy cost
Front view of AMD Athlon II X2 240

Reasons to consider the
AMD Athlon II X2 240

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l3 cache 1 MB vs 0.5 MB 2x more l3 cache; more data can be stored in the l3 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 2.8 GHz vs 2.3 GHz More than 20% higher clock speed
Much better PassMark score 1,642 vs 1,098 Around 50% better PassMark score
Much better PassMark (Single core) score 938 vs 669 More than 40% better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 2,513 vs 1,585 Around 60% better geekbench 2 (32-bit) score
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Much more l3 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l3 cache per core
Much better overclocked clock speed (Air) 3.67 GHz vs 3.01 GHz More than 20% better overclocked clock speed (Air)
Newer Jul, 2009 vs Apr, 2008 Release date over 1 years later

Benchmarks Real world tests of Athlon X2 4450e vs II X2 240

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 X2 4450e
63,550 MB/s
Athlon II X2 240
112,300 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon X2 4450e  vs
II X2 240 
Clock speed 2.3 GHz 2.8 GHz
Cores Dual core Dual core
Socket type
AM2
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
XOP
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
SSE4.2
CVT16
AMD-V
3DNow!
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 45W 65W
Annual home energy cost 10.84 $/year 15.66 $/year
Annual commercial energy cost 39.42 $/year 56.94 $/year
Performance per watt 1.56 pt/W 1.67 pt/W
Typical power consumption 36.56W 52.81W

details

Athlon X2 4450e  vs
II X2 240 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 1 MB/core
L3 cache 0.5 MB 1 MB
L3 cache per core 0.25 MB/core 0.5 MB/core
Manufacture process 65 nm 32 nm
Max CPUs 1 1
Operating temperature Unknown - 78°C Unknown - 74°C

overclocking

Overclocked clock speed 3.01 GHz 3.67 GHz
Overclocked clock speed (Water) 3.27 GHz 2.8 GHz
Overclocked clock speed (Air) 3.01 GHz 3.67 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 X2 4450e
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AMD Athlon II X2 240
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