How High Can I Overclock an AMD Athlon II 760K With Water Cooling?

XtremeAero426 · Jun 25, 2014

Recently, I bought an AMD Athlon II 760K. Now I'm trying to decide on a water cooler. My case supports 120mm and 240mm radiators. In addition, I have a 1300w PSU that is 80+ Certified Gold Efficiency. I'm already using an H55 on my GPU with a water cooling bracket (if you don't know what that is look it up). It's a GTX-760 overclocked to 2GHz (about). I'm using about 700 watts when everything is at full load. I'd like to hear some suggestions.

Key Details:
-Case supports 120mm and 240mm radiators
-CPU is AMD Athlon II 760K
-PSU is 1300 watts 80+ Certified Gold Efficiency
-Using 700 watts when EVERYTHING is a full load.

Information Needed for Suggestions:
-How high can I overclock with this cooler?
-How reliable is it?
-How long should it last?
-CFM and Fan RPM

Questions:
-How much higher can I overclock with a Corsair H100i than an H80i?

damric · Jun 25, 2014

There is a guy running 5.4GHz

http://www.overclock.net/t/1404334/amd-athlon-x2-340-370-and-athlon-x4-740-750k-760k-be-owners-club/1360

Pretty much all the info you could ever need about overclocking that CPU is in that thread.

Damn_Rookie · Jun 25, 2014

XtremeAero426 :

2 GHz? Is that a typo? :ouch:

XtremeAero426 · Jul 9, 2014

Damn_Rookie :

XtremeAero426 :

2 GHz? Is that a typo? :ouch:

No, I'm using a Corsair H55 on my GPU.

XtremeAero426 · Jul 9, 2014

damric :

This helps me with temperatures but not with limits. Nor does it answer any of my question(s).

Damn_Rookie · Jul 9, 2014

XtremeAero426 :

You have the GPU running with a 2 GHz core clock? Actually running, and not instantly throttling or anything? Forgive my confusion/skepticism, but the highest I've ever heard a 760 running is just over 2 GHz, but that was with liquid nitrogen, and that was by the current 3DMark - Fire Strike Extreme single 760 world record holder. The average reported speed on LN2 on HWBOT is only 1748 MHz, so you can probably understand my confusion at you reporting 2000 MHz on water; if true you've certainly smashed (by far) the world record for a 760 on water.

XtremeAero426 · Jul 10, 2014

Damn_Rookie :

XtremeAero426 :

You have the GPU running with a 2 GHz core clock? Actually running, and not instantly throttling or anything? Forgive my confusion/skepticism, but the highest I've ever heard a 760 running is just over 2 GHz, but that was with liquid nitrogen, and that was by the current 3DMark - Fire Strike Extreme single 760 world record holder. The average reported speed on LN2 on HWBOT is only 1748 MHz, so you can probably understand my confusion at you reporting 2000 MHz on water; if true you've certainly smashed (by far) the world record for a 760 on water.

That's what my system is saying. Do you think it might be wrong?

Damn_Rookie · Jul 11, 2014

Yes, to be honest, I do think it's reporting it incorrectly, or the figure is for the memory clock (default on a 760 for the memory is 1502 MHz (6008 MHz effective speed), so a figure of 2000 MHz is high, but certainly possible). What program are you using that gave you the ~2 GHz figure? GPU-Z? Afterburner? Precision X?

XtremeAero426 · Jul 12, 2014

Damn_Rookie :

GPU-Z The 2000 MHz shows up when at full usage. It stays at 1021 MHz when not in a game. When in a game it's from 1100-1200 MHz.

Damn_Rookie · Jul 13, 2014

~1200 MHz sounds like a lot more realistic frequency for when in game; I'm honestly not sure what's going on with the 2000 MHz reading, but I can only guess it's mis-reporting it. Still, if you're getting the kind of performance out of the card you expected (in line with what others get and so on), then excellent, and I probably wouldn't stress about it too much.

Sorry for derailing your initial thread so much, I saw the 2000 MHz and just had to ask!

XtremeAero426 · Jul 14, 2014

Damn_Rookie :

So back to the actual topic; How much higher can I actually overclock with an H100i than an H80i?

damric · Jul 14, 2014

XtremeAero426 :

It will be about the same. You shouldn't be thermally limited with either. Typically what I see on these FM2 CPUs is TDP throttling when going for high overclocks.

kunthakenthe · Jul 14, 2014

if it cost 100+ up i suggest you get a water cooling loop for 169$ with a 240mm radiator and water cool your cpu you will be able to get high high frequenes. they have a sticky on here about water cooling to help you also on overclock.net

damric · Jul 14, 2014

kunthakenthe :

For an $80 CPU? No matter how far he overclocks an Athlon 760K with $170 worth of water cooling it still isn't going to come close in speed to a $200 Haswell i5 at stock frequency on a $50 motherboard and stock cooler. Let's be real here.

kunthakenthe · Jul 14, 2014

oh sorry thought this was a high end apu which are med-low end cpus. but this is just in case he get a real good overclockable cpu and just wants to really overclock

XtremeAero426 · Jul 19, 2014

damric :

I've always wondered why Intel CPU's cost so much when you could get an AMD equivalent that was equally fast or faster than Intel's. The only thing that I can see a difference in is that AMD most of the time has less L2 and L3 cache and that it doesn't last as long as Intel CPU's which is basically pointless because a CPU needs to last no more than ten years. So, straying a little off topic, what's the difference between and AMD CPU and an Intel CPU that makes Intel so much more superior?

damric · Jul 20, 2014

XtremeAero426 :

I'll put it to you this way. My Athlon 760K needs to be clocked to near 5GHz to do the same amount of work as fast as my Haswell i3 at stock settings.

Check out my CPU physics scores here:

http://www.3dmark.com/compare/sd/2150742/sd/2189055

Now compare all the AMD CPU Physics scores vs the Intel here:

http://www.overclock.net/t/1495392/post-your-3dmark-skydiver-scores-here

kunthakenthe · Jul 20, 2014

XtremeAero426 :

damric :

I've always wondered why Intel CPU's cost so much when you could get an AMD equivalent that was equally fast or faster than Intel's. The only thing that I can see a difference in is that AMD most of the time has less L2 and L3 cache and that it doesn't last as long as Intel CPU's which is basically pointless because a CPU needs to last no more than ten years. So, straying a little off topic, what's the difference between and AMD CPU and an Intel CPU that makes Intel so much more superior?

intel basically has cores that are strong and fast while amd has many cores(up to 8) that are weaker than intel and need to be overclocked highly to match intels stock speed.(fx 8350 will beat a i3 but not a i5 at stock).

XtremeAero426 · Jul 22, 2014

damric :

XtremeAero426 :

I'll put it to you this way. My Athlon 760K needs to be clocked to near 5GHz to do the same amount of work as fast as my Haswell i3 at stock settings.

Check out my CPU physics scores here:

http://www.3dmark.com/compare/sd/2150742/sd/2189055

Now compare all the AMD CPU Physics scores vs the Intel here:

http://www.overclock.net/t/1495392/post-your-3dmark-skydiver-scores-here

I've used Intel CPU's before and they seem to perform slower in my opinion. The one I used was a Intel i5-3470 3.2GHz quad core and it performed worse for gaming than the AMD Athlon II 645 2.9GHz quad-core. The scores on the Intel one were better but AMD's CPU showed better performance....

How High Can I Overclock an AMD Athlon II 760K With Water Cooling?

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