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Is my cpu being overclocked? Z87-Pro motherboard, 4770k cpu

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August 12, 2013 8:36:11 PM

Hey guys, I've recently just built a new computer and noticed that my processor speed is higher than normal? My CPU is the i7 4770k, It's showing up as 4.2Ghz, I thought it was 3.5Ghz. I know the software my motherboard (Asus Z87-Pro) comes with AI Suite 3 which allows you to automatically overclock etc. I didn't play with any of those settings or messed with bios settings other than changing the boot order.

Sorry about the newbie question. I really have never overclocked before and am not sure what all this means.

Here's a picture of the AI Suite. Is this normal?

More about : cpu overclocked z87 pro motherboard 4770k cpu

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August 12, 2013 8:58:15 PM

you're currently running an OCed rig, seems that you run 4300 on turbo boost (1 core) and 4200 with 4 cores

Maybe ASUS include that when you choose "optimised defaults" value for the bios...

It could also be the AI suite installation that run the OC utility and OC the machine...
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August 12, 2013 9:33:00 PM

Okay, I found out what it was. It was the Bios setting that was under ASUS Optimized instead of Normal. I don't remember changing this...but under normal its at 3.6Ghz.

Is it bad to run in optimal? Will I hurt the CPU/over heat it? I have the stock fan.
4.3Ghz is normal OC or is that poor?
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August 12, 2013 10:02:52 PM

OC won't hurt your processor, Heat will... You can run this OC but make sure your temps always stay below 80 for 24/7 usage (105 Celsius is the max)

4.3Ghz is a moderate OC if you we're using a good cooler as you can reach 4.6+ without any trouble but you need the cooling...

4.3Ghz with the stock cooler is pretty impressive, i wouldn't try that myself as it's surely hitting the thermal limit easily (the intel box cooler is a pile of trash...)

I can suggest the Cooler Master Hyper 212 Evo for about 25$ US and will do the job to reach a higher OC (don't expect 5Ghz as 25$ isn't in that range of cooling but you'll see 4.4-4.6Ghz with that no problem if you don't need to use much Vcore but it all depends on the chip itself...) Anyway, even without OC, it'll cool better and this one is quiet, you'll never end up with a PSSSSHHH sound when working or gaming, even at 4.6ghz...

you could re-run the ASUS utility later with a better cooler and it'll surely OC higher as i see JJ from ASUS overclocking a 4670k to 4.7ghz on 4 cores with 4.9 on 1 core with an H100i and this same utility
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August 12, 2013 10:34:43 PM

spawnkiller said:
OC won't hurt your processor, Heat will... You can run this OC but make sure your temps always stay below 80 for 24/7 usage (105 Celsius is the max)

4.3Ghz is a moderate OC if you we're using a good cooler as you can reach 4.6+ without any trouble but you need the cooling...

4.3Ghz with the stock cooler is pretty impressive, i wouldn't try that myself as it's surely hitting the thermal limit easily (the intel box cooler is a pile of trash...)

I can suggest the Cooler Master Hyper 212 Evo for about 25$ US and will do the job to reach a higher OC (don't expect 5Ghz as 25$ isn't in that range of cooling but you'll see 4.4-4.6Ghz with that no problem if you don't need to use much Vcore but it all depends on the chip itself...) Anyway, even without OC, it'll cool better and this one is quiet, you'll never end up with a PSSSSHHH sound when working or gaming, even at 4.6ghz...

you could re-run the ASUS utility later with a better cooler and it'll surely OC higher as i see JJ from ASUS overclocking a 4670k to 4.7ghz on 4 cores with 4.9 on 1 core with an H100i and this same utility


Great, thanks! I understand now. I'll hold off on overclocking until I get a better cooler. I was thinking about water cooling as you mentioned. I don't think my case could fit a huge heat sink. I don't like the noise of the stock fan either...
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August 12, 2013 10:45:40 PM

Any cooler would be better and quieter than the stock one, grab one that fits your budget, fits your case and OC that rig !!

PS: thank you for the best answer ;) 
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August 14, 2013 2:13:16 AM

spawnkiller said:
Any cooler would be better and quieter than the stock one, grab one that fits your budget, fits your case and OC that rig !!

PS: thank you for the best answer ;) 


I took your advice and upgraded my cooler. My selection was limited due to my case. I didn't want to spend too much since I don't plan to overclock like crazy and run benchmarks etc. I also decided for the upgrade due to the fact that I noticed my temps hit the 80 mark with the box fan while I was encoding some videos.

I went with the Corsair H55, seemed like an okay cooler, good reviews and it's a start. It was also the only one that would fit without interfering with my other fans. I'm not too sure about my fan setup now since I have it as a back fan intake (pulling air in, the fan is on the inside, closest to the cpu). It's now next to my top fan in exhaust. I also have a top front fan in exhaust. Bottom fan is intake, as well as side and front fan. My PSU is mounted on the bottom, with the intake on the bottom and exhausts right out the back. I really wanted to exhaust with the H55, but I understand it wouldn't give me the best cooling using hot air from inside to "cool" the radiator. I'm not sure if I did something wrong or if I have a defective fan from Corsair. The fan on the radiator is plugged into the CPU_FAN and the water pump is plugged to the CPU_OPT.
I'm not sure if that's the right set up, maybe I should switch the two. I would think the water pump needs a constant voltage, perhaps directly connected to the PSU. The reason I'm wondering is because my radiator fan is a constant 1500 RPM and doesn't slow down no matter the temps. The AI Suite also shows it as NA to change fan speed etc.

Anyway, here are the results after the water cooler upgrade.
This was under load, encoding a video. The temps I noticed never went over 62, it would hover there sometimes dropping down to 59, etc. Idle temp is much cooler, probably 10 degrees cooler now.


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August 14, 2013 5:50:49 PM

Not bad at all !!! 62C at 4.7Ghz is very good (my 3770k runs at 75-80C in full load)

Keep the H55 exhausting, it'll only change by a few Celsius even if it was intaking cold air (my friend did the test with an h100 and a 650D and it was about 5 Celsius but the heat wasn't exhausted and the GPU run 10-15C hotter so that's not the best idea)
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