Intel Pentium II 300PE vs Core i5 2500K |
Released January, 1999
Intel Pentium II 300PE
- 0.3 GHz
Reasons to buy the Intel Pentium II 300PE
 | Much lower typical power consumption 0.81W | | Much lower annual home energy cost 0.24 $/year |
| | Much lower annual commercial energy cost 0.88 $/year |
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Released January, 2011
Intel Core i5 2500K
- 3.3 GHz
- Quad core
- Unlocked
Reasons to buy the Core i5 2500K
| | Much newer manufacturing process 32 nm | | Much higher clock speed 3.3 GHz |
| | Significantly more l2 cache 1 MB | | Has a NX bit Yes |
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Differences What are the advantages of each
| |||||||
| Much lower typical power consumption | 0.81W | vs | 112.55W | 138.5x lower typical power consumption | |||
|---|---|---|---|---|---|---|---|
| Much lower annual home energy cost | 0.24 $/year | vs | 41.29 $/year | 171.4x lower annual home energy cost | |||
| Much lower annual commercial energy cost | 0.88 $/year | vs | 110.03 $/year | 125.6x lower annual commercial energy cost | |||
| |||||||
| Much newer manufacturing process | 32 nm | vs | 250 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
| Much higher clock speed | 3.3 GHz | vs | 0.3 GHz | 11x higher clock speed | |||
| Significantly more l2 cache | 1 MB | vs | 0.25 MB | 4x more l2 cache; more data can be stored in the l2 cache for quick access later | |||
| Has a NX bit | Yes | vs | No | Somewhat common; Prevents a common class of security exploits | |||
| Newer | Jan, 2011 | vs | Jan, 1999 | Release date over 12 years later | |||
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Features Key features of the Pentium II 300PE vs Core i5 2500K
clock speed
L2 cache
TDP
Specifications Full list of technical specs
summary | Pentium II 300PE | vs | Core i5 2500K |
|---|---|---|---|
| Clock speed | 0.3 GHz | 3.3 GHz | |
features | |||
| Has a NX bit | No | Yes | |
details | Pentium II 300PE | vs | Core i5 2500K |
|---|---|---|---|
| L2 cache | 0.25 MB | 1 MB | |
| Manufacture process | 250 nm | 32 nm | |
| Max CPUs | 1 | 1 | |
power consumption | |||
| TDP | 1W | 95W | |
| Annual home energy cost | 0.24 $/year | 41.29 $/year | |
| Annual commercial energy cost | 0.88 $/year | 110.03 $/year | |
| Typical power consumption | 0.81W | 112.55W | |
 Intel Pentium II 300PE  Report a correction |  Intel Core i5 2500K Report a correction |
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