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| Intel Core2 Duo E8400 vs AMD Athlon X2 6400+ |
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
Reasons to buy the Intel Core2 Duo E8400
![]() | Much newer manufacturing process 45 nm | ![]() | Much better performance per watt 1.83 pt/W |
![]() | Much lower typical power consumption 52.81W | ![]() | Much higher Maximum operating temperature 72.4 °C |
VS
First seen on June, 2012
AMD Athlon X2 6400+
- 3.2 GHz
- Dual core
Reasons to buy the AMD Athlon X2 6400+
![]() | Higher clock speed 3.2 GHz |
Cast your vote Do you agree or disagree with CPUBoss?
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Differences What are the advantages of each
| |||||||
Much newer manufacturing process | 45 nm | vs | 90 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
---|---|---|---|---|---|---|---|
Much better performance per watt | 1.83 pt/W | vs | 0.56 pt/W | More than 3.2x better performance per watt | |||
Much lower typical power consumption | 52.81W | vs | 101.56W | Around 50% lower typical power consumption | |||
Much higher Maximum operating temperature | 72.4 °C | vs | 55 °C | More than 30% higher Maximum operating temperature | |||
Much better overclocked clock speed (Air) | 4.22 GHz | vs | 3.42 GHz | Around 25% better overclocked clock speed (Air) | |||
Much lower annual home energy cost | 15.66 $/year | vs | 30.11 $/year | Around 50% lower annual home energy cost | |||
Much lower annual commercial energy cost | 56.94 $/year | vs | 109.5 $/year | Around 50% lower annual commercial energy cost | |||
Much better overclocked clock speed (Water) | 4.23 GHz | vs | 3.53 GHz | Around 20% better overclocked clock speed (Water) | |||
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Higher clock speed | 3.2 GHz | vs | 3 GHz | More than 5% higher clock speed |
Benchmarks Real world tests of Core2 Duo E8400 vs Athlon X2 6400+
GeekBench 3 (Multi-core) Data courtesy Primate Labs
Core2 Duo E8400
2,982
Athlon X2 6400+
2,411
GeekBench 3 (Single core) Data courtesy Primate Labs
Core2 Duo E8400
1,625
Athlon X2 6400+
1,330
GeekBench 3 (AES single core) Data courtesy Primate Labs
Core2 Duo E8400
128,000 MB/s
Athlon X2 6400+
87.5 MB/s
3D Mark 11 (Physics)
Core2 Duo E8400
2,310
Athlon X2 6400+
1,480
Cinebench R10 32-Bit
Core2 Duo E8400
7,187
Athlon X2 6400+
5,937
sysmark 2007 (overall)
Core2 Duo E8400
191
Athlon X2 6400+
139
PassMark Data courtesy Passmark
Core2 Duo E8400
2,160
Athlon X2 6400+
1,795
PassMark (Single Core)
Core2 Duo E8400
1,251
Athlon X2 6400+
968
Specifications Full list of technical specs
summary | Core2 Duo E8400 | vs | Athlon X2 6400+ |
---|---|---|---|
Clock speed | 3 GHz | 3.2 GHz | |
Cores | Dual core | Dual core | |
Socket type | |||
LGA 775 | |||
AM2 | |||
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 | 125W | |
Annual home energy cost | 15.66 $/year | 30.11 $/year | |
Annual commercial energy cost | 56.94 $/year | 109.5 $/year | |
Performance per watt | 1.83 pt/W | 0.56 pt/W | |
Typical power consumption | 52.81W | 101.56W |
details | Core2 Duo E8400 | vs | Athlon X2 6400+ |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 2 | 2 | |
L2 cache | 6 MB | 2 MB | |
L2 cache per core | 3 MB/core | 1 MB/core | |
Manufacture process | 45 nm | 90 nm | |
Max CPUs | 1 | 1 | |
Voltage range | 0.85 - 1.36V | 1.35 - 1.4V | |
Operating temperature | Unknown - 72.4°C | Unknown - 55°C | |
overclocking | |||
Overclocked clock speed | 4.22 GHz | 3.42 GHz | |
Overclocked clock speed (Water) | 4.23 GHz | 3.53 GHz | |
Overclocked clock speed (Air) | 4.22 GHz | 3.42 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 ![]() | AMD Athlon X2 6400+ ![]() |
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