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Intel Core2 Duo E8400

Front view of Intel Core2 Duo E8400
Front view of AMD Athlon X2 3800+

AMD Athlon X2 3800+

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Differences What are the advantages of each

Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much newer manufacturing process 45 nm vs 90 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3 GHz vs 2 GHz 50% higher clock speed
Much better PassMark score 2,160 vs 1,003 Around 2.2x better PassMark score
Much better PassMark (Single core) score 1,251 vs 675 More than 85% better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 2,826 vs 1,494 Around 90% better geekbench 2 (32-bit) score
Much better overclocked clock speed (Air) 4.22 GHz vs 2.7 GHz More than 55% better overclocked clock speed (Air)
Much better performance per watt 1.83 pt/W vs 0.66 pt/W More than 2.8x better performance per watt
Much higher Maximum operating temperature 72.4 °C vs 55 °C More than 30% higher Maximum operating temperature
Much more l2 cache per core 3 MB/core vs 0.5 MB/core 6x more l2 cache per core
Much better overclocked clock speed (Water) 4.23 GHz vs 2.75 GHz Around 55% better overclocked clock speed (Water)
Newer Jan, 2008 vs May, 2006 Release date over 1 years later
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 AMD Athlon X2 3800+ vs the Intel Core2 Duo E8400.

Benchmarks Real world tests of Core2 Duo E8400 vs Athlon X2 3800+

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core2 Duo E8400
2,982
Athlon X2 3800+
958

GeekBench 3 (Single core) Data courtesy Primate Labs

Core2 Duo E8400
1,625
Athlon X2 3800+
964.5

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 Duo E8400
128,000 MB/s
Athlon X2 3800+
64.55 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core2 Duo E8400
2,826
Athlon X2 3800+
1,494

GeekBench (64-bit) Data courtesy Primate Labs

Core2 Duo E8400
3,092
Athlon X2 3800+
2,555

GeekBench

Core2 Duo E8400
4,794
Athlon X2 3800+
2,603

PassMark Data courtesy Passmark

Core2 Duo E8400
2,160
Athlon X2 3800+
1,003

PassMark (Single Core)

Core2 Duo E8400
1,251
Athlon X2 3800+
675

Specifications Full list of technical specs

summary

 Core2 Duo E8400  vs
Athlon X2 3800+ 
Clock speed 3 GHz 2 GHz
Cores Dual core Dual core
Socket type
LGA 775
AM2
939

features
Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

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 1.83 pt/W 0.66 pt/W
Typical power consumption 52.81W 52.81W

details

 Core2 Duo E8400  vs
Athlon X2 3800+ 
Architecture x86-64 x86-64
Threads 2 2
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.5 MB/core
Manufacture process 45 nm 90 nm
Max CPUs 1 1
Voltage range 0.85 - 1.36V 1.2 - 1.25V
Operating temperature Unknown - 72.4°C Unknown - 55°C

overclocking
Overclocked clock speed 4.22 GHz 2.7 GHz
Overclocked clock speed (Water) 4.23 GHz 2.75 GHz
Overclocked clock speed (Air) 4.22 GHz 2.7 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
Intel Core2 Duo E8400
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AMD Athlon X2 3800+
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