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| 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 | |||
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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) |
Features Key features of the Pentium 518 vs 4 551
clock speed
Pentium 518
2.8 GHz
Pentium 4 551
3.4 GHz
L2 cache
Pentium 518
1 MB
Pentium 4 551
1 MB
overclocked clock speed (air)
Pentium 518
3.28 GHz
Pentium 4 551
4.06 GHz
overclocked clock speed (water)
Pentium 518
2.8 GHz
Pentium 4 551
3.4 GHz
TDP
Pentium 518
88W
Pentium 4 551
84W
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 ![]() | Intel Pentium 4 551 ![]() |
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