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| Intel Pentium 4 631 vs Core2 Duo E8400 |
Released January, 2006
Intel Pentium 4 631
- 3 GHz
- Single core
Reasons to buy the Intel Pentium 4 631
![]() | Better overclocked clock speed (Air) 4.36 GHz | ![]() | Significantly better overclocked clock speed (Water) 4.64 GHz |
VS
Released January, 2008
Intel Core2 Duo E8400
- 3 GHz
- Dual core
Reasons to buy the Core2 Duo E8400
![]() | Much higher Maximum operating temperature 72.4 °C | ![]() | Much newer manufacturing process 45 nm |
![]() | More cores 2 | ![]() | Has virtualization support Yes |
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Differences What are the advantages of each
| |||||||
Better overclocked clock speed (Air) | 4.36 GHz | vs | 4.22 GHz | Around 5% better overclocked clock speed (Air) | |||
---|---|---|---|---|---|---|---|
Significantly better overclocked clock speed (Water) | 4.64 GHz | vs | 4.23 GHz | Around 10% better overclocked clock speed (Water) | |||
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Much higher Maximum operating temperature | 72.4 °C | vs | 1 °C | Around 72.5x higher Maximum operating temperature | |||
Much newer manufacturing process | 45 nm | vs | 65 nm | A newer manufacturing process allows for a more powerful, yet cooler running processor | |||
More cores | 2 | vs | 1 | Twice as many cores; run more applications at once | |||
Has virtualization support | Yes | vs | No | Somewhat common; Boosts performance of virtual machines | |||
Supports trusted computing | Yes | vs | No | Somewhat common; Allows for safer, more reliable computing | |||
Significantly lower typical power consumption | 52.81W | vs | 69.88W | Around 25% lower typical power consumption | |||
Significantly lower annual home energy cost | 15.66 $/year | vs | 20.72 $/year | Around 25% lower annual home energy cost | |||
Significantly lower annual commercial energy cost | 56.94 $/year | vs | 75.34 $/year | Around 25% lower annual commercial energy cost | |||
Newer | Jan, 2008 | vs | Jan, 2006 | Release date over 2 years later |
Features Key features of the Pentium 4 631 vs Core2 Duo E8400
clock speed
Pentium 4 631
3 GHz
Core2 Duo E8400
3 GHz
L2 cache
Pentium 4 631
2 MB
Core2 Duo E8400
6 MB
overclocked clock speed (air)
Pentium 4 631
4.36 GHz
Core2 Duo E8400
4.22 GHz
overclocked clock speed (water)
Pentium 4 631
4.64 GHz
Core2 Duo E8400
4.23 GHz
TDP
Pentium 4 631
86W
Core2 Duo E8400
65W
Specifications Full list of technical specs
summary | Pentium 4 631 | vs | Core2 Duo E8400 |
---|---|---|---|
Clock speed | 3 GHz | 3 GHz | |
Cores | Single core | Dual core | |
Socket type | |||
LGA 775 | |||
features | |||
Has a NX bit | Yes | Yes | |
Supports trusted computing | No | Yes | |
Has virtualization support | No | Yes | |
Instruction set extensions | |||
SSE2 | |||
MMX | |||
SSE3 | |||
SSE | |||
SSE4.1 | |||
Supplemental SSE3 | |||
Supports dynamic frequency scaling | Yes | Yes | |
power consumption | |||
TDP | 86W | 65W | |
Annual home energy cost | 20.72 $/year | 15.66 $/year | |
Annual commercial energy cost | 75.34 $/year | 56.94 $/year | |
Typical power consumption | 69.88W | 52.81W | |
bus | |||
Architecture | FSB | FSB | |
Number of links | 1 | 1 | |
Clock speed | 800 MHz | 1,333 MHz |
details | Pentium 4 631 | vs | Core2 Duo E8400 |
---|---|---|---|
Architecture | x86-64 | x86-64 | |
Threads | 2 | 2 | |
L2 cache | 2 MB | 6 MB | |
L2 cache per core | 2 MB/core | 3 MB/core | |
Manufacture process | 65 nm | 45 nm | |
Transistor count | 188,000,000 | 410,000,000 | |
Max CPUs | 1 | 1 | |
Clock multiplier | 15 | 9 | |
Voltage range | 1.2 - 1.34V | 0.85 - 1.36V | |
Operating temperature | Unknown - 1°C | Unknown - 72.4°C | |
overclocking | |||
Overclocked clock speed | 4.36 GHz | 4.22 GHz | |
Overclocked clock speed (Water) | 4.64 GHz | 4.23 GHz | |
Overclocked clock speed (Air) | 4.36 GHz | 4.22 GHz | |
integrated graphics | |||
GPU | None | None | |
Label | N/A | N/A | |
Latest DirectX | N/A | N/A | |
Number of displays supported | N/A | N/A | |
GPU clock speed | N/A | N/A | |
Turbo clock speed | N/A | N/A | |
3DMark06 | N/A | N/A |
Intel Pentium 4 631 ![]() | Intel Core2 Duo E8400 ![]() |
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