Tom's Hardware > Forum > Overclocking > CPUs > cpu clock dont match..
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hey guys, i have this problem. whenever i try to lower the cpu clock via bios setup CPU-Z and the windows "My Computer" properties dont match.. whats causing this? windows is reading the frequency via the cpu multiplier while cpu-z does a different calculation... which is which?

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This is normal. Windows is reading your calculated speed (FSB x Multiplier) CPU-z is reading your current speed. When you are not using much CPU power, it is throttled down to save power.


Edit:

Windows could also be reading your CPUs speed from it's ID. I think it would show up as "Genuine Intel C2Q Q6600 2.4GHz @ 3.0GHz" or something like that depending on your CPU.


Message edited by outlw6669 on 05-27-2008 at 03:26:14 PM
------------------------------ If the automobile had followed the same development cycle as the computer, a Rolls-Royce today would cost $100, get a million miles to the gallon, and explode once a year, killing everyone inside.
PSA
Reply to outlw6669

im on amd. even with c&q turned off it still dont match

it says amd 2.11ghz on default. windows and cpu-z matches when im only playing with the fsb, but once i tackle the cpu multiplier thats what happens. geez its confusing me i dont know whats the real one lol

Reply to wh3resmycar

i have heard the BIOS problem with alot of AMD CPU when you lower the multiplier but FSB changes is fine.

i guess you will have to live with it.

Reply to iluvgillgill
- 0 +

2.11GHz at stock? So that's an Athlon X2 BE-2350 (10.5 x 200MHz)?
Can you show us screenshots (with ALT+PrintScreen) of MyComputerProperties and CPU-Z (www.imageshack.us or the like for free image hosting)?

If it's just the stock value in properties and the underclocked value in CPU-Z everything is good. MyComputerProperties reads CPU name from WMI.


Message edited by Andrius on 05-27-2008 at 04:59:20 PM
Reply to Andrius


Mine doesn't match either on my BF2/CSS Server. It's a Brisbane G2 stepping 2.5Ghz X2 4800. CPU-z correctly says it's running at 2.5Ghz but under system properties, Windows XP SP2 says it's running at 2.4Ghz.

Don't worry about it.

------------------------------ MCITP, MCTS, MCP
Reply to carver_g

ok i'll post some screenies asap..

something weird happened lol. i tried to DL the new cpu-z version (the one with the new loading screen), they dont mismatch now. but i can't do the 2.7ghz (i forgot how i reach this, 7x10.5 and 280fsb, cant remember) on cpu-z when i the mismatch was occuring. weird weird weird.. i'll do more test on this. i'll be doing more test with my old cpu-z (dl'd this last dec 12) vs the new one..

Reply to wh3resmycar

here's the screenshot of my system with matching data from cpuz.

http://i279.photobucket.com/albums/kk137/wh3resmycar/matched_specs.jpg

i'll try to recreate the bogus mismatching

Reply to wh3resmycar

Your CPU seems to be OCed. The stock for X2 4000+ is 2.1Ghz.

------------------------------ http://farm3.static.flickr.com/2617/3815217176_0a5be7955d_o.gif
http://farm4.static.flickr.com/3553/3818083596_1a772f7162_o.gif
Reply to Shadow703793

lol, darn it! the old cpu-z was doing the bogus mismatching check this out,

heres the screenie with the dec version of cpu-z:
http://i279.photobucket.com/albums/kk137/wh3resmycar/mismatched_oldcpuz.jpg

oh btw i set the cpu multiplier @ 9.0 and 247 fsb, it seems here that the old cpuz disregards the changes i made on the cpu multiplier, sheesh.

i'll do another one using the new cpuz i downloaded.

edit: cpu multiplier was @ 9.5 at the time of this screenie not 9.0


Message edited by wh3resmycar on 05-28-2008 at 12:45:29 AM
Reply to wh3resmycar

even the new version of cpu-z 1.44.2 gives out the same reading as the one above...the same exact reading.

help me end my misery. which is which guys?

Reply to wh3resmycar

Shadow703793 wrote :

Your CPU seems to be OCed. The stock for X2 4000+ is 2.1Ghz.



yup, those are my OC'd screenies but @ stock it says 2.11ghz, you're right :D

Reply to wh3resmycar
- -1 +

You need to clean up your desktop. You have way too many shortcuts for my taste. It looks very crowded.

------------------------------ GA-965P-DS3 (rev. 3.3) | e6600 @ 3.4 Ghz 425x8 @ 1.42v | Thermalright Ultra 120 Extreme | 2GB Corsair XMS2 4-4-4-12 @ 850 Mhz | 2x160GB WD Raid 0 | 2x250GB Segate Raid 1 | evga 8800GTS 320mb 580/1840 | OCZ 700W PSU | 3dMark06 10346 @ 1280 X 1024
Reply to Jedi940

I say trust CPUZ.

------------------------------ http://farm3.static.flickr.com/2617/3815217176_0a5be7955d_o.gif
http://farm4.static.flickr.com/3553/3818083596_1a772f7162_o.gif
Reply to Shadow703793

Jedi940 wrote :

You need to clean up your desktop. You have way too many shortcuts for my taste. It looks very crowded.



yeah, lol. marcus fenix will shoot those shortcuts in time :D

3dmark 06 result didnt change when im on 10.5 cpu & 243 fsb and with the settings above. anyway i'll go with cpu-z then .

Reply to wh3resmycar

CPUz is always right, and if it isn't, a new version will be released to fix that issue.

------------------------------ "Nvidia, the Way It's Meant to be PAID Played! - Corrado
*Lesbian Lover Club* - founder Assman
Reply to Evilonigiri
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