Is it a good idea to overclock this card and is there any good performance increases?

Also what is a good program to test the stability of the overclock.

The 8400gs is not a gaming card, and should probably not be overclocked. It's a budget card that it more geared towards multimedia than gaming.

Personally, I wouldn't recommend overclocking anything lower than a x800gt series(8800GT, 9800GT, etc)

Even if you do overclock that card, it woun't be much and you won't see a notciable difference, especially with the rest of your system.

Using the apps Macavity suggested, you could give it a go. But as CH mentioned, you're unlikely to notice any real improvement.

Originally Posted by archie123

Just to make it three comments on the negative side ..............dont bother , the only real improvement you see overclocking gpu's is when you ramp up the memory alongside the core , if you try and oc the memory on that card it'll meet a very untimely end , or at the very least get very very hot and artifact all over the place , sorry

i was just about to say this.......

GPU OC's are flaky at best, unless you can pull a pretty high (stable) OC its a pointless exercise...

GPU's run VERY hot by default, & a few mhz over stock will send a lesser cards temps through the roof (& im not saying your cards crap, its just not ''high end'' & has cooling relative to that.)

if you are able to pull a pretty decent OC, b/c its lacking ''SP's'' your only likely to gain 1-2fps increases...

IMHO.....buy a newer card, even a jump to an 8800GT will be ''night & day'' difference from the 8400GS (they're dirt cheap now)

Originally Posted by pauliewalnuts

Right now its temperature is a rather pedestrian 53 decrees Celcius.


This will be my very first time overclocking anything.

Is that your idle or load temps?

It's the load temps you have to worry about.

Good luck