Northwood P4s

steeven_steeven · Jan 25, 2003

is the Northwood P4 1.8A 0.13microns?
is the Northwood P4 2.0A a lot better or a litle better for overclocking and performance than the P4 1.8A?

timmyqwest · Jan 25, 2003

all northwoods are .13...as for overclocking from what i hear those 1.8a's are pretty hard to come by and awfully good for overclocking...

batboy · Jan 25, 2003

Actually, the 1.8a is easy to find, it's the C1 stepping that is still hard to locate, but they should be more plentiful as time goes on. As far as the 1.8a vs. the 2.0a, they will on average overclock to about the same final speed, but the 1.8a will have a higher FSB and is a little cheaper, so the 1.8a will give you a better bang for the buck.

AntmanMike · Jan 25, 2003

Yes, all hail Antman with his 1.8AB0 @ ~2.6ghz :/

steeven_steeven · Jan 25, 2003

how can you tell if its a C1

flapperhead · Jan 25, 2003

by the stepping code on the box and engraved on the cpu

melon_stunner · Jan 25, 2003

To tell if your CPU is a C1 or BO you can use a program named SiSoft Sandra. There is a module in the program named CPU/BIOS Information and it will tell you what stepping your CPU is. BTW I know the 1.8A are good overclockers but I haven't heard anything good about the 2.0A. I think the mutiplier is too high on them or something.

melon_stunner · Jan 25, 2003

This is what Sandra gives you when you use the module...

------------------------------------------------------------------------------------

SiSoftware Sandra

Processor(s)
Model : Intel(R) Pentium(R) 4 CPU 1.60GHz
Co-Processor (FPU) : Built-in
Speed : 2.80GHz
Performance Rating : PR3079 (estimated)
Type : Standard
Packaging : FC µPGA478
Rated Speed/FSB : 1600MHz / 4x 100MHz
Multiplier : 16x
Generation : 7th (7x86)
Model Information : P4N (Northwood) Pentium 4 1.6-3G 1.5-1.6V
Revision/Stepping : 2 / 4 (9)
Stepping Mask : B0
Microcode : MU0F240B
Core Voltage Rating : 1.500V

------------------------------------------------------------------------------------

Stepping Mask is what you're looking for. My 1.6A is a BO but I don't think they put out C1 1.6A's. You can download a free version of Sandra just search for it online.

steeven_steeven · Jan 25, 2003

o ok i see but since i dont have a p4 yet and i am planning on buying one what do i look for on the box?

steeven_steeven · Jan 25, 2003

also is the B0 ones good or bad?

lightbulb8817 · Jan 25, 2003

AntmanMike said:
Yes, all hail Antman with his 1.8AB0 @ ~2.6ghz :/

LOL
Ya, I would expect at least 2.6GHz from a 1.8A. My 1.8A does 2.8 with 1.65 vcore.

steeven_steeven · Jan 25, 2003

melon_stunner u have B0 and it looks like it overclockers very well so what make the C1 stepping better?

melon_stunner · Jan 25, 2003

The newer C1 steppings use a 1.525 vcore default and they are designed to run cooler than the BO stepping. All in all I've just heard that the C1 steppings are better overclockers and most of them hit 3 ghz.

AntmanMike · Jan 25, 2003

lightbulb8817 said:
LOL
Ya, I would expect at least 2.6GHz from a 1.8A. My 1.8A does 2.8 with 1.65 vcore.

This is a B0 btw. Most get 2.4ghz.

lightbulb8817 · Jan 25, 2003

AntmanMike said:
This is a B0 btw. Most get 2.4ghz.

Ya, mine is a B0 also. It's still chugging along in my sister's rig

melon_stunner · Jan 26, 2003

Yeah,

My CPU is a BO I would run it at 2.8 24/7 but my cooler sucks!

http://www.angelfire.com/clone/mellon_stunner/1.6A.JPG

Zero470 · Jan 27, 2003

Hey im happy with my 1.6A @ 2.86, the best bang for my buck I've ever had.

(HR)Titan · Jan 27, 2003

i have [email protected] with v 1.80 and original box cooling at 43c

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