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 | | Better performance per dollar 0.26 pt/$ |
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| |  | Intel Celeron U3405CPUBoss 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 | |||
| 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 | |||
| |||||||
| 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 | |||
| Better performance per dollar | 0.26 pt/$ | vs | 0.01 pt/$ | More than 21.8x better performance per dollar | |||
| 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 | |||
Report a correction
Benchmarks Real world tests of Core2 Duo E8400 vs Celeron U3405
PassMark Data courtesy Passmark
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  Report a correction |  Intel Celeron U3405 Report a correction |
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