Intel Pentium 518 vs 4 551 |
Released June, 2004
Intel Pentium 518
- 2.8 GHz
- Single core
Reasons to buy the Intel Pentium 518
 | Supports dynamic frequency scaling Yes | | Higher Maximum operating temperature 75 °C |
VS
Released April, 2005
Intel Pentium 4 551
- 3.4 GHz
- Single core
Reasons to buy the 4 551
| | More advanced architecture x86-64 | | Higher clock speed 3.4 GHz |
| | Has a NX bit Yes | | Better overclocked clock speed (Air) 4.06 GHz |
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Differences What are the advantages of each
| |||||||
| Supports dynamic frequency scaling | Yes | vs | No | Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed | |||
|---|---|---|---|---|---|---|---|
| Higher Maximum operating temperature | 75 °C | vs | 67.7 °C | More than 10% higher Maximum operating temperature | |||
| |||||||
| More advanced architecture | x86-64 | vs | x86 | A 64-bit architecture allows more RAM to be installed and accessed by the processor | |||
| Higher clock speed | 3.4 GHz | vs | 2.8 GHz | More than 20% higher clock speed | |||
| Has a NX bit | Yes | vs | No | Somewhat common; Prevents a common class of security exploits | |||
| Better overclocked clock speed (Air) | 4.06 GHz | vs | 3.28 GHz | Around 25% better overclocked clock speed (Air) | |||
| Newer | Apr, 2005 | vs | Jun, 2004 | Release date 10 months later | |||
| Better overclocked clock speed (Water) | 3.4 GHz | vs | 2.8 GHz | More than 20% better overclocked clock speed (Water) | |||
Report a correction
Features Key features of the Pentium 518 vs 4 551
clock speed
L2 cache
overclocked clock speed (air)
overclocked clock speed (water)
TDP
Specifications Full list of technical specs
summary | Pentium 518 | vs | 4 551 |
|---|---|---|---|
| Clock speed | 2.8 GHz | 3.4 GHz | |
| Cores | Single core | Single core | |
| Socket type | |||
| 478 | |||
| LGA 775 | |||
features | |||
| Has a NX bit | No | Yes | |
| Supports trusted computing | No | No | |
| Has virtualization support | No | No | |
| Instruction set extensions | |||
| MMX | |||
| SSE | |||
| SSE2 | |||
| SSE3 | |||
| Supports dynamic frequency scaling | Yes | No | |
bus | |||
| Architecture | FSB | FSB | |
| Number of links | 1 | 1 | |
| Clock speed | 533 MHz | 800 MHz | |
details | Pentium 518 | vs | 4 551 |
|---|---|---|---|
| Architecture | x86 | x86-64 | |
| Threads | 2 | 2 | |
| L2 cache | 1 MB | 1 MB | |
| L2 cache per core | 1 MB/core | 1 MB/core | |
| Manufacture process | 90 nm | 90 nm | |
| Transistor count | 125,000,000 | 125,000,000 | |
| Max CPUs | 1 | 1 | |
| Clock multiplier | 21 | 17 | |
| Voltage range | 1.25 - 1.4V | 1.2 - 1.43V | |
| Operating temperature | Unknown - 75°C | Unknown - 67.7°C | |
overclocking | |||
| Overclocked clock speed | 3.28 GHz | 4.06 GHz | |
| Overclocked clock speed (Water) | 2.8 GHz | 3.4 GHz | |
| Overclocked clock speed (Air) | 3.28 GHz | 4.06 GHz | |
power consumption | |||
| TDP | 88W | 84W | |
| Annual home energy cost | 21.2 $/year | 20.24 $/year | |
| Annual commercial energy cost | 77.09 $/year | 73.58 $/year | |
| Typical power consumption | 71.5W | 68.25W | |
 Intel Pentium 518  Report a correction |  Intel Pentium 4 551 Report a correction |
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