I would say the SLk-800 since its copper and just a plain better HS by far. But if its something that doesnt need a lot of cooling and it can take an AX7 then use it on that and the SLK on something that needs more cooling.
I've got an SLK-800A and an AX7. I'm wondering, with an 80MM 32CFM case fan, which HS would give me lower temps?
You will have less wear and tear on the fan with the SLK-800 HS, as the more open finning will be better for it, less likely to gather dust, and the fan will not degrade in effectiveness as fast. I run a SLK-900 here on a Barton that is running at 2700+ speed as far as actual CPU GHz applied to the XP plus scale(yes, I ramped it up a tib). It is nice and cool. So, the 800 should work fine, and be better for most fans. One reason the fins and open space are so big on the stock one is to keep from gettting uneven pressure on fan spindle bearings. The fan supplied with the stock cooler is a dual-ball bearing fan. The fan I have on mine is a 40 CFM (actually 39.6) and is a 32-33 decible ACTUAL fan.
Depends on if you are going to OC it, I would say more CFM than what you have if you want to OC, otherwise not more needed. But keep in mind I am in the hot belt also as far as actual temp around case and therefore also INSIDE case, so cooling needs to be forced more.
Since you have both heatsinks why not put the ax7 on her rig and keep the slk800 for an oc project on a folding rig? The ax7 is really a lighter weight very excellent heatsink. The temp difference probably won't be but a few degrees maybe.
Thanks for the info guys... csimon, the HS I don't use on her rig will be my spare... I've got two SP-97s coming in for my Primary and Secondary rigs, and her rig gets the SLK800.
Comments
The AX-7 is still a better heatsink than a stock Barton HS, correct?
You will have less wear and tear on the fan with the SLK-800 HS, as the more open finning will be better for it, less likely to gather dust, and the fan will not degrade in effectiveness as fast. I run a SLK-900 here on a Barton that is running at 2700+ speed as far as actual CPU GHz applied to the XP plus scale(yes, I ramped it up a tib). It is nice and cool. So, the 800 should work fine, and be better for most fans. One reason the fins and open space are so big on the stock one is to keep from gettting uneven pressure on fan spindle bearings. The fan supplied with the stock cooler is a dual-ball bearing fan. The fan I have on mine is a 40 CFM (actually 39.6) and is a 32-33 decible ACTUAL fan.
Depends on if you are going to OC it, I would say more CFM than what you have if you want to OC, otherwise not more needed. But keep in mind I am in the hot belt also as far as actual temp around case and therefore also INSIDE case, so cooling needs to be forced more.
John D.