Athlon XP 2600+ ..... 266fsb or 333fsb? Which is better for oc'ing?

[acid16]

I've been planning on getting an athlon xp 2600+ now that they are getting cheaper, but I realize they come in 266fsb and 333fsb now. What is the difference between a 266fsb athlon xp and the newer 333fsb ones and what are the advantages to getting them? I would have thought that the 266fsb would have been better overclockers, but i've been hearing that the newer 333 are overclocking better? Why is that? I plan to do some *serious* overclocking, hopefully from 2.1ghz up to 2.4 or 2.5, so I want to make sure it's going to be a good overclocker. Anyways, which processor should I get and why. The 266 or 333?

 

[Soulkeeper]

there should be no difference in the max overclock if the cores/stepping are the same
You do have a motherboard that allows you to unlock them right ?
if so then i would just get the 333fsb one just cause
if you have an older motherboard and want to just do some fsb overclocking then get the 266 one, drop it in and up the fsb without changing the clock mult

have fun

 

[acid16]

I plan to use the A7N8X mobo. I'm not much of an overclocking "buff" but I would like to be. Just trying to get down the basis ATM. Thanks.

 

[ChampionAtTufshop]

with that board either way is good

 

[mrman3k]

I would go with the 333MHz FSB version since it provides already extra bandwidth.

 

[JBT]

I'd definalty go the 333 way, provides the extra bandwith with out even overclocking. I Would just guess that proc would pefer to have the multi's upped rather than the FSB.

 

[The Sauce]

Definitely the 333. You will start out with a lower multiplier with this chip which will not only give you more multipliers to play with, but will also give you a smaller CPU speed bump per FSB bump so things can be fine tuned to a greater degree.

 

[magnux]

Save, $100, get the 2400+ (AIUGB). I've gone to 2.1GHz w/o any voltage increases. I'm at 2.3GHz stable now, I was at 2.4GHz stabe last night (on air cooling..), but I wasn't comfortable w/ the voltage (2.1V).

 

[OverVolt]

With A7N8X go 333fsb. the board can take up to like 190fsb (380mhz) i heard so happy oc'ing

 

[ManBOO YA]

The 266FSB is clocked almost 100Mhz faster than the 333FSB one. I'd go with the 266 and bump the FSB up to 333 and bump the mulitplier down. Then you are running the Chip at stock speeds but still running faster than the original 333FSB chip.

The 2600+ with 333FSB is nothing more than a 2400+ running a 333FSB, think about it they have almost the same clockspeed

 

[The Sauce]

That is assuming that you CAN turn the multiplier down. On certain boards this is not possible without an arduous modification.

 

[JBT]

The 266FSB is clocked almost 100Mhz faster than the 333FSB one. I'd go with the 266 and bump the FSB up to 333 and bump the mulitplier down. Then you are running the Chip at stock speeds but still running faster than the original 333FSB chip.

Where do you get this? a 2600XP with 333 FSB runs at 2130 MHz a 2400XP runs at 2 Ghz. How is that the same?

 

[ManBOO YA]

Originally posted by: JBTele

The 266FSB is clocked almost 100Mhz faster than the 333FSB one. I'd go with the 266 and bump the FSB up to 333 and bump the mulitplier down. Then you are running the Chip at stock speeds but still running faster than the original 333FSB chip.

Where do you get this? a 2600XP with 333 FSB runs at 2130 MHz a 2400XP runs at 2 Ghz. How is that the same?

Nope you're wrong. The 2600Xp with 333FSB runs at 12.5 * 166 = 2075, while the 266FSB 2600 runs at 16 * 133 = 2130.

My opinion remains unchanged go for the higher clocked CPU and then play around with the settings and run that chip up to 166 FSB * 13(2158) which is nearly stock for the 266FSB 2600+

 

[JBT]

hmmm wierd then the site I was looking at must be wrong shame on you googlegear.
Sorry about the bad info. You are right new egg says it is 2080 Mhz

 

[Bovinicus]

A nice thing about using a 266FSB CPU is that if you are using a 333FSB motherboard and memory then you can overclock the FSB to 333MHz without overclocking other components besides the CPU.

 

[Zap]

I'll second everyone who said to go for the 266FSB, for the same reasons.

 

[sledge0001]

Im still running a 266fsb mobo.. I have my XP2600 @ 266fsb AXDA2600DKV3C Take note of that "C" at the end that specifies the fsb @266 FSB .. The "D" at the end specifies the 333fsb ... @ 296fsb my XP2600 is Cooking at over 2.4ghz.. With room to go 1.8 Vcore... Corsairpc2100 watch it go and completly stable..

sledge0001

 

[Noid]

take a look at my AMDbox

Im currently 11.5 x 191.4 = 2200

(thats 382.8 Mhz at 1:1 CPU/MEM on 5:2:1)

on a KX7-333
(not bad for $85)

Although the MB limits my oc possiblities ,,,I am very very happy with the little oc I have.

(Sandra mem 2906/2724 - 3dMark 16,149)

 

[sledge0001]

nice!

 

[Noid]

just thought I'd Update... I had to drop 2 mhz.

11.5 x 189.4 = 2177

Being the perfectionist I am, I began banging hard on the system to see if it would crak.
It did.

The MB almost handled 191, but under Prime95 and Looping the 3dMArk demo (on NON DEFUALT) and running hardware monitor at same time .. it BSOD'd (with no error message.. just blue ,, lol)

Im assuming the NON-DEFAULT is using my desktop settings. So ,,, that's 1024x768 at 32bit with 9700 set to App default preferences. (so the goodies are on too)

It may run 190, but I usually just take 2 or 3 off my last settings for stability.

So,,, Im almost possitive this chip can handle more and I know my memory does.

When I see a MB that runs over 200+ FSB and uses the new dbDDR... for 85 bucks ... let me know ...

 

[Wind]

Originally posted by: Snatchface
That is assuming that you CAN turn the multiplier down. On certain boards this is not possible without an arduous modification.

With the A7N8X, I think he can change the multiplier to a lower one. KT400 chipset mobo do not require the connection of the last L3 bridges to gain access to a lower multiplier.

 

[Wind]

Originally posted by: Bovinicus
A nice thing about using a 266FSB CPU is that if you are using a 333FSB motherboard and memory then you can overclock the FSB to 333MHz without overclocking other components besides the CPU.

Agreed. But if u r going on a non-O/C environment...obviously the 333FSB is the choice.