Intel Pentium G622 vs Core2 Duo E8400 |
Released April, 2011
Intel Pentium G622
- 2.6 GHz
- Dual core
Reasons to buy the Intel Pentium G622
 | Has a built-in GPU Yes | | Much newer manufacturing process 32 nm |
| | Newer Apr, 2011 |
VS
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
Reasons to buy the Core2 Duo E8400
| | Much more l2 cache 6 MB | | Significantly higher clock speed 3 GHz |
| | Much better overclocked clock speed (Air) 4.22 GHz | | Supports trusted computing Yes |
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Differences What are the advantages of each
| |||||||
| 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 | |||
| Newer | Apr, 2011 | vs | Jan, 2008 | Release date over 3 years later | |||
| |||||||
| 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 | |||
| Significantly higher clock speed | 3 GHz | vs | 2.6 GHz | More than 15% higher clock speed | |||
| Much better overclocked clock speed (Air) | 4.22 GHz | vs | 2.6 GHz | More than 60% better overclocked clock speed (Air) | |||
| Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
| Much more l2 cache per core | 3 MB/core | vs | 0.5 MB/core | 6x more l2 cache per core | |||
| Significantly higher Maximum operating temperature | 72.4 °C | vs | 69.1 °C | Around 5% higher Maximum operating temperature | |||
| Much better overclocked clock speed (Water) | 4.23 GHz | vs | 2.6 GHz | Around 65% better overclocked clock speed (Water) | |||
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Features Key features of the Pentium G622 vs Core2 Duo E8400
clock speed
L2 cache
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Pentium G622 | vs | Core2 Duo E8400 |
|---|---|---|---|
| Clock speed | 2.6 GHz | 3 GHz | |
| Cores | Dual core | Dual core | |
| Socket type | |||
| LGA 1155 | |||
| LGA 775 | |||
features | |||
| Has a NX bit | Yes | Yes | |
| Supports trusted computing | No | Yes | |
| Has virtualization support | Yes | Yes | |
| Instruction set extensions | |||
| SSE2 | |||
| MMX | |||
| SSE4 | |||
| SSE3 | |||
| SSE | |||
| SSE4.1 | |||
| SSE4.2 | |||
| 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 | |
| Typical power consumption | 52.81W | 52.81W | |
details | Pentium G622 | vs | Core2 Duo E8400 |
|---|---|---|---|
| Architecture | x86-64 | x86-64 | |
| Threads | 2 | 2 | |
| L2 cache | 1 MB | 6 MB | |
| L2 cache per core | 0.5 MB/core | 3 MB/core | |
| Manufacture process | 32 nm | 45 nm | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 26 | 9 | |
| Operating temperature | Unknown - 69.1°C | Unknown - 72.4°C | |
overclocking | |||
| Overclocked clock speed | 2.6 GHz | 4.22 GHz | |
| Overclocked clock speed (Water) | 2.6 GHz | 4.23 GHz | |
| Overclocked clock speed (Air) | 2.6 GHz | 4.22 GHz | |
integrated graphics | |||
| GPU | GPU | None | |
| Label | Intel® HD Graphics | N/A | |
| Number of displays supported | 2 | N/A | |
| GPU clock speed | 850 MHz | N/A | |
| Turbo clock speed | 1,100 MHz | N/A | |
bus | |||
| Architecture | DMI | FSB | |
| Number of links | 1 | 1 | |
 Intel Pentium G622  Report a correction |  Intel Core2 Duo E8400 Report a correction |
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