thats 5*C less than ivys Tjmax.
but like others said reduce the temps. new heatsink / thermal paste should do.
in the long run high temps isnt good for your cpu / mobo socket^^. 85 in real world scenario is way to hot imo.
i would try keep it under 80*C for ivy/haswell
heck at 5ghz highest RW temps i saw was 75*C
ur pushing 85 on stock..
cool it downn
Venomx1,
As I mentioned, this is a completely fanless system - it uses a special heat sink chassis (manufactured by Streacom) to cool the CPU. It's expected to run a bit hot without any OC, and tbh, I was pretty amazed to see only 85C at full load (idle, and non-Dolphin, is usually around 35C). However, I think there are certainly a few more tweaks I can do to lower the temps
That being said, Haswell seems to be a bitchin' undervolter... I'm currently benching at -0.45V without any issues (effective CPU voltage is 0.648V)
Be very careful about undervolting it. Compared to earlier architectures haswell has a lot of special ops and conditions that can cause brief significant increases in power consumption compared to normal situations. If these conditions/ops don't happen with a particular app it might appear stable. But when they do happen it's going to crash without enough voltage.
(06-17-2013, 12:58 PM)ShizZy Wrote: [ -> ]That being said, Haswell seems to be a bitchin' undervolter... I'm currently benching at -0.45V without any issues (effective CPU voltage is 0.648V)
If you are interested in saving power since you are undervolting, you will still want to reduce those temperatures. The lower the temperature, the less leakage you will have and the less voltage you will need. All of which reduces power consumption.
Now if your goal is silent computing.......
(06-18-2013, 01:38 AM)ToonFan Wrote: [ -> ] (06-17-2013, 12:58 PM)ShizZy Wrote: [ -> ]That being said, Haswell seems to be a bitchin' undervolter... I'm currently benching at -0.45V without any issues (effective CPU voltage is 0.648V)
If you are interested in saving power since you are undervolting, you will still want to reduce those temperatures. The lower the temperature, the less leakage you will have and the less voltage you will need. All of which reduces power consumption.
Now if your goal is silent computing.......
The goal is silence, not so much power consumption : I'd like to get the best performance I can out of a 4670K without a fan. It can run hot, as long as it's not "to hot". I'm trying to tweak voltage to get the temperature stable @ 3.7GHz (turbo) and preferably around 80C maximum.
(06-18-2013, 03:02 AM)ShizZy Wrote: [ -> ]The goal is silence, not so much power consumption : I'd like to get the best performance I can out of a 4670K without a fan. It can run hot, as long as it's not "to hot". I'm trying to tweak voltage to get the temperature stable @ 3.7GHz (turbo) and preferably around 80C maximum.
Is your chip delidded? What thermal paste are you using?
Probably one of the best performing pastes is
Coollaboratory Liquid Ultra (not really a paste but more like liquid metal). You could also use Indigo Xtreme (kind of a metal pad that melts to fill the gaps) but this is more irreversible. I would not suggest cheaper pastes because you really do want those temperatures lower to reduce the heat/wattage/thermal requirements you need.
85C is maximum temp with Prime95(full load) or Dolphin ( 2 / 4 cores) ?
If it's max temp with Prime95 , 85C will be fine
To add to my story, the ASRock board I want is still the only product not in stock at Scan. I don't have a huge amount of free time until Saturday, though, so I'm not too desperate.
Any Gigabyte Z87board is fine