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| Intel Core2 Duo E8400 vs Celeron U3405 |
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
Reasons to buy the Intel Core2 Duo E8400
![]() | Much more l2 cache 6 MB | ![]() | Much higher clock speed 3 GHz |
![]() | Much more l2 cache per core 3 MB/core | ![]() | Much better overclocked clock speed (Air) 4.22 GHz |
VS
Released August, 2010
Intel Celeron U3405
- 1.06 GHz
- Dual core
Reasons to buy the Celeron U3405
![]() | Has a built-in GPU Yes | ![]() | Much newer manufacturing process 32 nm |
![]() | Much lower typical power consumption 14.63W | ![]() | Newer Aug, 2010 |
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Intel Core2 Duo E8400CPUBoss Winner | ![]() | |
Differences What are the advantages of each
| |||||||
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 higher clock speed | 3 GHz | vs | 1.06 GHz | More than 2.8x higher clock speed | |||
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 (Air) | 4.22 GHz | vs | 1.07 GHz | Around 4x better overclocked clock speed (Air) | |||
Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
Significantly better performance per dollar | 0.67 pt/$ | vs | 0.26 pt/$ | More than 2.5x better performance per dollar | |||
Much better overclocked clock speed (Water) | 4.23 GHz | vs | 1.07 GHz | Around 4x better overclocked clock speed (Water) | |||
Better PassMark score | 2,160 | vs | 684 | Around 3.2x better PassMark score | |||
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Has a built-in GPU | Yes | vs | No | Somewhat common; A separate graphics adapter is not required | |||
Much newer manufacturing process | 32 nm | vs | 45 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
Much lower typical power consumption | 14.63W | vs | 52.81W | 3.6x lower typical power consumption | |||
Newer | Aug, 2010 | vs | Jan, 2008 | Release date over 2 years later | |||
Much lower annual home energy cost | 4.34 $/year | vs | 15.66 $/year | 3.6x lower annual home energy cost | |||
Much lower annual commercial energy cost | 15.77 $/year | vs | 56.94 $/year | 3.6x lower annual commercial energy cost |
Benchmarks Real world tests of Core2 Duo E8400 vs Celeron U3405
PassMark Data courtesy Passmark
Core2 Duo E8400
2,160
Celeron U3405
684
Specifications Full list of technical specs
summary | Core2 Duo E8400 | vs | Celeron U3405 |
---|---|---|---|
Clock speed | 3 GHz | 1.06 GHz | |
Cores | Dual core | Dual core | |
Socket type | |||
LGA 775 | |||
BGA 1288 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | Yes | No | |
Has virtualization support | Yes | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
Supplemental SSE3 | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 65W | 18W | |
Annual home energy cost | 15.66 $/year | 4.34 $/year | |
Annual commercial energy cost | 56.94 $/year | 15.77 $/year | |
Performance per watt | 1.83 pt/W | 1.55 pt/W | |
Typical power consumption | 52.81W | 14.63W |
details | Core2 Duo E8400 | vs | Celeron U3405 |
---|---|---|---|
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 | 32 nm | |
Transistor count | 410,000,000 | 382,000,000 | |
Max CPUs | 1 | 1 | |
Clock multiplier | 9 | 14 | |
overclocking | |||
Overclocked clock speed | 4.22 GHz | 1.07 GHz | |
Overclocked clock speed (Water) | 4.23 GHz | 1.07 GHz | |
Overclocked clock speed (Air) | 4.22 GHz | 1.07 GHz | |
integrated graphics | |||
GPU | None | GPU | |
Label | N/A | Intel® HD Graphics | |
Number of displays supported | N/A | 2 | |
GPU clock speed | N/A | 166 MHz | |
Turbo clock speed | N/A | 500 MHz | |
bus | |||
Architecture | FSB | DMI | |
Number of links | 1 | 1 |
Intel Core2 Duo E8400 ![]() | Intel Celeron U3405 ![]() |
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