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Differences What are the advantages of each

Front view of AMD Athlon X2 3800+

Reasons to consider the
AMD Athlon X2 3800+

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CPUBoss is not aware of any important advantages of the Athlon X2 3800+ vs the Athlon 64 X2 4400+.

Front view of AMD Athlon 64 X2 4400+

Reasons to consider the
AMD Athlon 64 X2 4400+

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Higher clock speed 2.3 GHz vs 2 GHz Around 15% higher clock speed
Better overclocked clock speed (Air) 2.75 GHz vs 2.7 GHz Almost the same
Significantly better overclocked clock speed (Water) 3.13 GHz vs 2.75 GHz Around 15% better overclocked clock speed (Water)

Benchmarks Real world tests of Athlon X2 3800+ vs 64 X2 4400+

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 3800+
64.55 MB/s
Athlon 64 X2 4400+
85.5 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 X2 3800+  vs
64 X2 4400+ 
Clock speed 2 GHz 2.3 GHz
Cores Dual core Dual core
Socket type
AM2
939

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

details

Athlon X2 3800+  vs
64 X2 4400+ 
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 90 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.7 GHz 2.75 GHz
Overclocked clock speed (Water) 2.75 GHz 3.13 GHz
PassMark (Overclocked) 1,578.7 1,605.4
Overclocked clock speed (Air) 2.7 GHz 2.75 GHz

power consumption

TDP 65W 65W
Annual home energy cost 15.66 $/year 15.66 $/year
Annual commercial energy cost 56.94 $/year 56.94 $/year
Performance per watt 0.66 pt/W 0.89 pt/W
Typical power consumption 52.81W 52.81W
AMD Athlon X2 3800+
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AMD Athlon 64 X2 4400+
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