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Differences What are the advantages of each

Front view of AMD Athlon 64 X2 4400+

Reasons to consider the
AMD Athlon 64 X2 4400+

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Slightly better overclocked clock speed (Water) 3.08 GHz vs 2.7 GHz Around 15% better overclocked clock speed (Water)
Front view of AMD A6 4400M

Reasons to consider the
AMD A6 4400M

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Much newer manufacturing process 32 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per dollar 8.97 pt/$ vs 0.06 pt/$ Around 157x better performance per dollar
Higher clock speed 2.7 GHz vs 2.3 GHz More than 15% higher clock speed
Better geekbench 3 AES single core score 1,680,000 MB/s vs 72.4 MB/s Around 23204.5x better geekbench 3 AES single core score
Lower typical power consumption 28.44W vs 52.81W More than 45% lower typical power consumption
Slightly better geekbench 2 (64-bit) score 3,018 vs 2,808 More than 5% better geekbench 2 (64-bit) score
Lower annual commercial energy cost 30.66 $/year vs 56.94 $/year More than 45% lower annual commercial energy cost
Lower annual home energy cost 8.43 $/year vs 15.66 $/year More than 45% lower annual home energy cost

Benchmarks Real world tests of Athlon 64 X2 4400+ vs A6 4400M

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 64 X2 4400+
72.4 MB/s
A6 4400M
1,680,000 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

Athlon 64 X2 4400+  vs
A6 4400M 
Clock speed 2.3 GHz 2.7 GHz
Cores Dual core Dual core

features

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

details

Athlon 64 X2 4400+  vs
A6 4400M 
Threads 2 2
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 90 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.93 GHz 3.2 GHz
Overclocked clock speed (Water) 3.08 GHz 2.7 GHz
PassMark (Overclocked) 1,605.4 982.4
Overclocked clock speed (Air) 2.93 GHz 3.2 GHz

power consumption

TDP 65W 35W
Annual home energy cost 15.66 $/year 8.43 $/year
Annual commercial energy cost 56.94 $/year 30.66 $/year
Performance per watt 1.01 pt/W 10.23 pt/W
Typical power consumption 52.81W 28.44W
AMD Athlon 64 X2 4400+
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AMD A6 4400M
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