I just recently killed my old rig (T-Bird 1.4, Epox 8k7a, ect) and it's been a long while since I've kept up with what's out now a days or even half the stuff I learned when I built this system. I want to switch to intel and get away from AMD for my replacement cpu/mobo. The problem is I don't know what's different between the cores (Northwood, Prescott, etc.), how it relates to the different sockets, and not to mention all the different chipsets I see on these mobo's. Which is the newest core? And like what's the difference between a P4 2.8 GHZ prescott Socket: LGA 775, and a P4 2.8 GHZ prescott Socket: 478? And how do different chipsets factor into it? This kind of answer might not be easy to explain, but I don't mine reading if there is a FAQ or guide on this stuff I would really appriciate it, or if someone could just explain this to me. Thanks
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What's the difference between the different cores and sockets??
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Northwood- 20stage pipeline, Hyperthreading (on the C models), 3.2ghz max clock rate.
Prescott -- (edited for accuracy) 31stage pipeline, Hyperthreading (all models I think), 3.6~4.0ghz max clock rate, SSE3.
Socket 478, the previous generations socket. The 875 and 865 were excellent chipsets for the Northwood processor. Of the motherboard offerings, Abit IC7-Max3 was the best IMHO. Generally with the release of the Prescott, the high end motherboards of this socket struggled when used with Prescotts. The result was capacitors and voltage regulation systems on those boards becoming very hot and concerning some about their longevity under those circumstances.
general specs: DDR ram, AGP 8x, SATA/IDE, PCI, Northwoord/early Prescott.
LGA 775, Intels newest latest socket. Offers upgrade paths on the intel line as most new high end processors for Intel will use this socket. Runs more effeciently in dealing with the power requirements of the Prescott cores and therefore doesn't overheat components (on well designed motherboards) that deal with power regulation. Offers PCI-E (for the latest video cards and next generation video cards). Support for DDR2 should allow for future P4 models to not become memory bandwidth limited when the FSB gets kicked up again. An upgrade to a LGA775 more than likely will require a new processor, Ram, Video card and possibly PCI-E cards to replace some of your PCI cards if you use more than 3 PCI cards in your old rig.
general specs: DDR2 ram, PCI-E, SATA/IDE, Legacy PCI support, Prescott Only.
Prescott -- (edited for accuracy) 31stage pipeline, Hyperthreading (all models I think), 3.6~4.0ghz max clock rate, SSE3.
Socket 478, the previous generations socket. The 875 and 865 were excellent chipsets for the Northwood processor. Of the motherboard offerings, Abit IC7-Max3 was the best IMHO. Generally with the release of the Prescott, the high end motherboards of this socket struggled when used with Prescotts. The result was capacitors and voltage regulation systems on those boards becoming very hot and concerning some about their longevity under those circumstances.
general specs: DDR ram, AGP 8x, SATA/IDE, PCI, Northwoord/early Prescott.
LGA 775, Intels newest latest socket. Offers upgrade paths on the intel line as most new high end processors for Intel will use this socket. Runs more effeciently in dealing with the power requirements of the Prescott cores and therefore doesn't overheat components (on well designed motherboards) that deal with power regulation. Offers PCI-E (for the latest video cards and next generation video cards). Support for DDR2 should allow for future P4 models to not become memory bandwidth limited when the FSB gets kicked up again. An upgrade to a LGA775 more than likely will require a new processor, Ram, Video card and possibly PCI-E cards to replace some of your PCI cards if you use more than 3 PCI cards in your old rig.
general specs: DDR2 ram, PCI-E, SATA/IDE, Legacy PCI support, Prescott Only.
CVNet1 said:Northwood- 20stage pipeline, Hyperthreading (on the C models), 3.2ghz max clock rate.
Prescott -- 24stage pipeline, Hyperthreading (all models I think), 3.6~4.0ghz max clock rate, SSE3.
Close: The Prescott has a 31 stage pipeline: http://arstechnica.com/cpu/004/prescott-future/prescott-1.html
==>Lazn