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Differences What are the advantages of each

Front view of AMD E2 3800

Reasons to consider the
AMD E2 3800

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Much better geekbench 3 AES single core score 654,900 MB/s vs 48.7 MB/s Around 13447.8x better geekbench 3 AES single core score
Much newer manufacturing process 28 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly 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 better performance per watt 18 pt/W vs 0.85 pt/W Around 21.2x better performance per watt
Lower typical power consumption 12.19W vs 28.44W 2.3x lower typical power consumption
More cores 4 vs 2 Twice as many cores; run more applications at once
Higher Maximum operating temperature 90 °C vs 78 °C More than 15% higher Maximum operating temperature
Better geekbench 3 Multi-Core score 2,278 vs 1,295 More than 75% better geekbench 3 Multi-Core score
More threads 4 vs 2 Twice as many threads
Lower annual home energy cost 3.61 $/year vs 8.43 $/year 2.3x lower annual home energy cost
Lower annual commercial energy cost 13.14 $/year vs 30.66 $/year 2.3x lower annual commercial energy cost
Front view of AMD Athlon 64 X2 3400+

Reasons to consider the
AMD Athlon 64 X2 3400+

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Higher clock speed 1.8 GHz vs 1.3 GHz Around 40% higher clock speed
Significantly better overclocked clock speed (Air) 2.25 GHz vs 1.3 GHz Around 75% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 1.8 GHz vs 1.3 GHz Around 40% better overclocked clock speed (Water)

Benchmarks Real world tests of E2 3800 vs Athlon 64 X2 3400+

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

E2 3800
654,900 MB/s
Athlon 64 X2 3400+
48.7 MB/s

Specifications Full list of technical specs

summary

E2 3800  vs
Athlon 64 X2 3400+ 
Clock speed 1.3 GHz 1.8 GHz
Cores Quad core Dual core
Socket type
BGA 769
AM2

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
F16C
MMX
AVX
SSE3
SSE
BMI1
AMD64
SSE4.1
SSE4.2
AMD-V
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

details

E2 3800  vs
Athlon 64 X2 3400+ 
Threads 4 2
L2 cache 2 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 28 nm 90 nm
Max CPUs 1 1
Operating temperature Unknown - 90°C Unknown - 78°C

overclocking

Overclocked clock speed 1.3 GHz 2.25 GHz
Overclocked clock speed (Water) 1.3 GHz 1.8 GHz
Overclocked clock speed (Air) 1.3 GHz 2.25 GHz

power consumption

TDP 15W 35W
Annual home energy cost 3.61 $/year 8.43 $/year
Annual commercial energy cost 13.14 $/year 30.66 $/year
Performance per watt 18 pt/W 0.85 pt/W
Typical power consumption 12.19W 28.44W
AMD E2 3800
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AMD Athlon 64 X2 3400+
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