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Northwood VS Willamette

C

compslckr

[H]F Junkie
Joined
Jun 5, 2002
Messages
9,011
alright, i have a 2.0 ghz P4 north wood, and a 1.8 ghz Willamette.

the willamette seems to run things alot slower. i know that it is 200mhz slower than the northwood, but what else makes this chip slower. in other words, what are some of the main differences between the two chips. both are 400mhz fsb btw.

here are screen shots of both chips, the things that i noticed to be different are the voltages, clock speed and l2 cache. does l2 cache effect performance alot?

to tell you the truth i have never heard of a willamette until i got one in a shuttle system i bought on these forums.

i know that the northwood is OCed in the first screen shot, but even at stock speeds it seems ALOT faster than this willamette

here are the screen shots....

cpuz(zac).JPG


cpu-z18.JPG
 
the willy only has 256kb of cache, and uses a .18nm process, the northwood has 512kb of cache and .13nm process.
 
i think i will end up selling the willy and just putting the 2.0 in my shuttle system
 
Due to the larger L2 cache the Northwood is superior. Also the Northwood's have HT but it is not enabled on all of them. Just the 3.06 and the "C" series chips.
 
wasn't the northwood a more efficient core too? I know it's longer pipes but from all I've heard/experienced the Willamette is a crap core that was easily trumped by late Tualtin P3s (except SSE2 stuff). Wasn't the Northwood core what the P4 was originally touted to be?
 
tonytnnt said:
wasn't the northwood a more efficient core too? I know it's longer pipes but from all I've heard/experienced the Willamette is a crap core that was easily trumped by late Tualtin P3s (except SSE2 stuff). Wasn't the Northwood core what the P4 was originally touted to be?
Click to expand...
nope. Its the same architecture. They both have the 20 stage pipeline, double pumped ALU, SSE2, and stuff, a quad pumped FSB. The main thing that has given the Pentium 4 processors its gradual increase in performance is the doubling of cache. Also doubing the FSB from the Willy core to the northwood core also helped with an average increase of about 11% going from the 400 to 533 MHz FSB. Also, if your motherboard doenst support HT, its ok. There is a converter that you can buy that allows you to enable HT even if your motherboard doesnt support it http://www.powerleap.com/PL-iP4.html
 
did a little overclocking with the willy. here is what i got. i have not tried any higher yet, and it is in a shuttle system, so the cooling is not the best for overclocking. but this is not bad for a first attempt witht this cpu and a stick of samsung pc2100 ddr ram at cas 2.5

it is a little better with the cpu overclocked, but the 2.0 just seems more smooth or something, so i am going to put that back into my shuttle after i run prime95 on this 1.8 for a while

1.8willyOC.JPG
 
compslckr said:
did a little overclocking with the willy. here is what i got. i have not tried any higher yet, and it is in a shuttle system, so the cooling is not the best for overclocking. but this is not bad for a first attempt witht this cpu and a stick of samsung pc2100 ddr ram at cas 2.5

it is a little better with the cpu overclocked, but the 2.0 just seems more smooth or something, so i am going to put that back into my shuttle after i run prime95 on this 1.8 for a while

1.8willyOC.JPG
Click to expand...
Its expensive, but what about this: http://www.powerleap.com/PL-P4N.html ? its 3.00 GHz stock and a 400 Mhz FSB. you can also overclock it higher if you choose to.
 
what is the benifit of having that adapter thingy? what exactly does it do?

the shuttle already takes socket 478, so if i wanted a 3ghz i could just get one of these http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=14293&item=3490904479&rd=1

it is 533mhz fsb, 3.06 ghz, and socket 478.


here are the specs of the shuttle, so it would be able to take that cpu if i wanted to have a 3.06, but i can't really afford that right now (hence me wanting to sell one of the CPUs that i have, and the rest of my other system




Processors



  • Supports Socket 478 for Intel Pentium 4 / Celeron processors (400FSB & 533FSB)
  • Supports up to 2800MHz processor and higher
Chipset


  • Northbridge: Intel i845GE
  • Southbridge: Intel ICH4
System Memory


  • 2x 184pin DDR
  • DDR200 / DDR266 / DDR333 support @ 2.5v
  • 2GB maximum system RAM
Slots


  • 1x AGP 4x AGP compliant (1.5v and 3.3v support)
  • 1x 32-bit PCI 33MHz slots
Front Panel Connections


  • 2x USB2.0 ports
  • 1x Firewire port
  • Headphone-in
  • Microphone-in
  • S/PDIF Out
Back Panel Connections


  • PS/2 keyboard and mouse ports
  • On-board VGA port
  • 2 Serial ports
  • 2 Firewire ports
  • 2 USB2.0 ports
  • RJ45 / LAN Port
  • S/PDIF In
  • 3 Audio ports
On-board IDE


  • An IDE controller on the ICH4 SB chipset provides IDE HDD/CD-ROM with PIO, Bus Master and Ultra DMA/100/66/33 operation modes.
  • Can connect up to 4 IDE devices (space permitting)
Audio


  • Realtek ALC650 on-board sound
Graphics


  • Intel i830 from the i845GE N.B.
Other features & Extras


  • VIA VT6306 USB2.0 Firewire controller.
  • Realtek RTL8139 LAN controller.
BIOS & Voltages


  • Award BIOS 3.31a
  • FSB speeds of 100MHz - 165MHz (quad-pumped)
Case Size (mm)


  • 200 x 181 x 280
  • 2x 3.5" bay (one hidden)
  • 1x 5.25" bay
Software


  • Motherboard drivers
  • Peripheral drivers
Others


  • PSU lead
  • Screws and bolts
  • 2 manuals
 
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compslckr said:
what is the benifit of having that adapter thingy? what exactly does it do?
Click to expand...
it basically is a specially made CPU by Intel (They dont normally make Pentium 4 3.0 GHz CPUs w/ a 400 MHz FSB) and it sits on a socket 423 to 478 adapter. You can then but a 3 GHz CPU in an old socket 423 that would otherwise only support up to 1.6ish GHz
 
Doubling the cache to go to the Northwood is a big jump... the P4 arch. is memory hungry and just doesn't handle slow FSBs well. Cache helps work around that, but the P4 never really took off until they gave it the 512KB cache and a 800MHz FSB.
 
ameoba said:
Doubling the cache to go to the Northwood is a big jump... the P4 arch. is memory hungry and just doesn't handle slow FSBs well. Cache helps work around that, but the P4 never really took off until they gave it the 512KB cache and a 800MHz FSB.
Click to expand...
more the reason to give the Pentium 4 a 20 stage pipeline and a dual channel XDR RAM controller. Nothing like 100 GB/sec of bandwith to feed the beast
 
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