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iweber95
08-31-2013, 12:07 AM
Does anyone use this? If so has anyone found a good overclock? I have tried using it some but it seems when i use it i accually get lower fps then i normally do. Anyone have any tips?

Thanks :)

Flea0
08-31-2013, 09:02 AM
try msi afterburner :) +135/+500 was very stable.

mihaimoga
08-31-2013, 12:01 PM
Try the last Nvidia Beta driver 326.80 Driver. You cand use Nvidia inspector or Nvidia Sistem Tools to find the right overclock value. I overclock mine +135 core and +700 memory. In the near future someone will probably unlock the vbios and release a custom version for asus gtx 770m as they did to 670mx.

hmscott
09-07-2013, 03:41 PM
iweber95, my G750JX-RB71 Asus GPU Tweak settings are stable at 932mhz GPU, 5254mhz Memory running CUDA tasks, and a couple of quick benchmarks.

25923

25924

Symho
09-07-2013, 05:09 PM
Where I can download this software?

iweber95
09-07-2013, 05:30 PM
Here is the link http://support.asus.com/download.aspx?SLanguage=en&m=gpu%20tweak&os=30

Thanks for the numbers hmscott I'll let you know how it works out for me : )

Symho
09-07-2013, 07:50 PM
[QUOTE=iweber95;307002]Here is the link http://support.asus.com/download.aspx?SLanguage=en&m=gpu%20tweak&os=30

Thanks!

iweber95
09-07-2013, 08:57 PM
No problem!!

Let me know how your overclocking experience goes : )

DukeWellington
09-08-2013, 07:50 PM
Watch out because Windows 8 screws with overclock settings, due to hardware-dependent timers. Some overclocking websites disallow using Windows 8 to measure out their clock speeds.

y0da67
09-08-2013, 09:26 PM
Try the last Nvidia Beta driver 326.80 Driver. You cand use Nvidia inspector or Nvidia Sistem Tools to find the right overclock value. I overclock mine +135 core and +700 memory. In the near future someone will probably unlock the vbios and release a custom version for asus gtx 770m as they did to 670mx.

How can I install the latest beta drivers?
It seems that my video card (770M) is not compatible. (WIN8 x64)

I installed the drivers this way but after that I had some huge lags
http://rog.asus.com/forum/showthread.php?34796-got-Nvidia-Drivers-320.49-working-on-my-g750-with-770m-GPU&p=283786&viewfull=1#post283786

patros
09-09-2013, 02:03 AM
In my experience, the level of performance improvement expected on a laptop such as this adds insult to injury as far as 'overclocking' is concerned. The actual performance gained vs. hours spent tweaking is marginal and not worth the effort. More often than not, it's the overclocker who brings their laptop back to a service centre with a wide variety of issues as well. Guys, if it ain't broke...you know?

iweber95
09-09-2013, 03:18 PM
In my experience, the level of performance improvement expected on a laptop such as this adds insult to injury as far as 'overclocking' is concerned. The actual performance gained vs. hours spent tweaking is marginal and not worth the effort. More often than not, it's the overclocker who brings their laptop back to a service centre with a wide variety of issues as well. Guys, if it ain't broke...you know?

I can totally see where you're coming from, but its fun to overclock. You might be spending a lot of time getting marginal fps improvement, but its the journey getting to that perfect overclock and knowing that you've done it on your own that makes overclocking so desirable, to me at least.

hmscott
09-10-2013, 05:31 AM
Here is the link http://support.asus.com/download.aspx?SLanguage=en&m=gpu%20tweak&os=30

Thanks for the numbers hmscott I'll let you know how it works out for me : )

iweber, 932/5254 works for CUDA + heavy CPU work up to about 60% sustained for tasks I was initially testing, but much beyond 60% GPU usage +heavy CPU load and I had to back down on the memory clock.

How is it working for you?

25951

25952

The CUDA test above has a large CPU component as well. With 100% CPU usage at the same time.

Another render test at 99% CPU (very low CPU usage) running at 932/5500 was stable, and gives a ~28% reduction in wall clock run time compared to default settings. From 23 minutes 45 seconds to 18 minutes and 30 seconds per render task.

So the GPU OC is sensitive to simultaneous CPU usage - IDK if it is power, heat, or an IO related limitation.

iweber95
09-10-2013, 02:15 PM
here is me running a quick haven test.

25987

Cykon
09-10-2013, 02:42 PM
In my experience, the level of performance improvement expected on a laptop such as this adds insult to injury as far as 'overclocking' is concerned. The actual performance gained vs. hours spent tweaking is marginal and not worth the effort. More often than not, it's the overclocker who brings their laptop back to a service centre with a wide variety of issues as well. Guys, if it ain't broke...you know?

It's mainly for enthusiasts who aim for higher benchmarks and also those who need a little more FPS running games in higher detail. Although 60FPS is easily achievable in most games there are those such as myself that like to play games, in particular first person shooters at 100FPS (if the display is capable of supporting higher refresh rates). As long as the GPU operates within optimal parameters, there isn't any more risk than running it at stock speeds.

hmscott
09-11-2013, 04:19 PM
iweber95, here are the results of running 3dmark at 932/5500:

Ice Storm - 123674
http://www.3dmark.com/is/871697

Cloud Gate - 16881
http://www.3dmark.com/cg/776752

Fire Strike - 4108
http://www.3dmark.com/fs/855082

3dmark11 - 6039
http://www.3dmark.com/3dm11/7147510



here is me running a quick haven test.

Have you tried to bump up the Memory clock?

iweber95, I noticed you bumped up the GPU voltage. I have run all my tests with the stock GPU voltage. I don't think bumping up the GPU voltage helps support Memory speed increases. In fact it might reduce the OC you can get bumping the Memory speed due to added heat from the higher than needed voltage increase.

The heat pipes from both the GPU and GPU Memory mix. Increasing the GPU voltage increases the heat generated. At the +135mhz GPU increase the CPU doesn't need more voltage.

Give it a try at a higher memory clock, but with stock voltage, and see how high you can get the memory OC before seeing image issues / video driver freeze/restart.

iweber95
09-11-2013, 05:54 PM
Alright, I'll try ocing with stock voltage and let you know how it goes. Thanks for the tips : )

hmscott
09-11-2013, 11:59 PM
Alright, I'll try ocing with stock voltage and let you know how it goes. Thanks for the tips : )

The memory clock is sensitive to the application. On some tests I was able to run the memory clock up to 5550mhz, but the Heaven 4.0 test wouldn't run that fast.

Heaven 4.0 lets you run the tests in a loop, and then you can click Benchmark to get a timed run. At 5150mhz and 5200mhz it looped without crashing, and was benchmarked. At 5250mhz it didn't make it very far into the timed benchmark before crashing the driver.

Results:

5200mhz/932mhz, CPU OC 3.6ghz
FPS:
43.4
Score:
1093
Min FPS:
21.3
Max FPS:
93.4

Stock CPU speed (no Intel Xtreme Tuning), Stock GPU 4008mhz/797mhz
FPS:
35.1
Score:
883
Min FPS:
17.9
Max FPS:
74.1

iweber95
09-12-2013, 02:57 PM
were you on maxed settings? Because that seems much better than what I normally get.

These are my results with

932
5300

cpu @3.2

26100

I also ran another test with the voltage at 1100 and it was around 15% worse results.

Also could you give me your Intel tuning OC. I'm not to familiar with oc'ing cpu

hmscott
09-13-2013, 09:44 AM
were you on maxed settings? Because that seems much better than what I normally get.

I also ran another test with the voltage at 1100 and it was around 15% worse results.

Also could you give me your Intel tuning OC. I'm not to familiar with oc'ing cpu

iweber95, typically I use the default custom setting that comes up when starting Heaven 4.0. The other two included Presets run in windowed mode (can't check the Fullscreen box).

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The Intel Extreme Tuning Utility is easy to use, I include my current profile for you to try, it turns up all the cores / cpu cache to max multiplier, and reduces the cpu/core offset voltage by -75Mv which shaves a few degrees off the cpu temp at load :)

You import the settings profile, select it in Profiles, Click Show Values, and then Click Apply as shown here:

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If you crash, not a video driver crash, you will need to rerun XTU after rebooting to set the values again, otherwise on clean reboots / power up XTU will automagically set the values for you. After a crash XTU usually comes up to tell you about the problem and you need to click through the warning to continue.

https://downloadcenter.intel.com/SearchResult.aspx?lang=eng&ProductFamily=Processors&ProductLine=Processor+Utilities&ProductProduct=Intel%C2%AE+Extreme+Tuning+Utility+ %28Intel%C2%AE+XTU%29

You can play around with the voltage offset, my CPU mostly runs ok at -90Mv, but sometimes freezes under heavy load. After some testing I found -75Mv rarely fails. -50mv might be more reliable, but -75Mv keeps things running cooler. I ran stable for a long while at -100Mv on a G750JW, so these settings are based on the particular CPU in your laptop - some CPU's are better at running with less voltage than others.

hmscott
09-13-2013, 10:38 AM
How can I install the latest beta drivers?
It seems that my video card (770M) is not compatible. (WIN8 x64)

I installed the drivers this way but after that I had some huge lags
http://rog.asus.com/forum/showthread.php?34796-got-Nvidia-Drivers-320.49-working-on-my-g750-with-770m-GPU&p=283786&viewfull=1#post283786

y0da67, you didn't need to do that. Skip the 320.49 and Custom .inf and download the latest beta 326.80, making sure to do a Custom Install and check the Clean Install box toward the bottom left under the list of drivers being installed.

http://www.geforce.com/drivers/results/65051

Sorry, I didn't see your post from a few days ago till just now...

iweber95
09-13-2013, 05:54 PM
Thanks for all of the info hmscott, gave you + rep : )

hmscott
09-14-2013, 01:43 AM
Thanks iweber95, let us know how it works for you :)

DeltaActual
10-26-2013, 10:30 AM
bumping this here

Václav Krtek
11-01-2014, 06:58 AM
Hello I use shortly GPU TWEAK and look at your settings GPU 932 Mhz / Memory 5000 Mhz. It's a great setting but when I look in the GPU TWEAK profile (G-gaming) I cen see memory 5040. If gpu tweak allows this, so I will use your advice ( GPU 932 Mhz) and options of profile G ( memory 5040 Mhz).GPU 932Mhz /Memory 5040Mhz. The question remains. If it's safe. I've got G750JX.

hmscott
11-01-2014, 07:40 AM
Hello I use shortly GPU TWEAK and look at your settings GPU 932 Mhz / Memory 5000 Mhz. It's a great setting but when I look in the GPU TWEAK profile (G-gaming) I cen see memory 5040. If gpu tweak allows this, so I will use your advice ( GPU 932 Mhz) and options of profile G ( memory 5040 Mhz).GPU 932Mhz /Memory 5040Mhz. The question remains. If it's safe. I've got G750JX.

The Asus Tweak Tool changes the frequency of the GPU and of the memory to get better performance. Those increase values push the stability of the GPU and memory to the edge - you can get as close as you can to the edge, and when you go beyond the stable setting maximum, the GPU/memory respond in 2 ways.

1) The GPU crashes the Nvidia Display Driver. This is actually a freeze that the display driver times out and restarts. It restarts with fixed slow settings for GPU and memory so you can shutdown / restart the computer. The GPU/memory will continue to run at slow speed until you restart or shutdown. Once you start up again the GPU/Memory will be back at default settings, the Tweak Tool won't apply the last increases that caused the crash. You only need reset the increases to something a bit less and try again.

2) The GPU can run at full max setting, don't worry about that. The memory setting increases are the increases that eventually crash the Nvidia driver or make the display show anomalies like sparkles or horizontal lines. Reduce the memory frequency until the anomalies go away and the Nvidia driver stops crashing.

You won't hurt the GPU/memory with a setting that is unstable alone - if the GPU fails there was something already flawed and pushing it miy trigger a failure. But, you have the Asus warranty, and they supplied the Asus Tweak Tool, so don't worry.

Noone has reported a failed GPU due to OC via the Asus Tweak tool. There have been failed / unstable GPU;s reported at stock speeds - so it is possible that if one of those people had tried the Asus Tweak tool it might have happened sooner, but either way it is covered with the Asus Warranty.

I keep my normal every day setting 250mhz under the max stable setting. For benchmarks I set the higher setting. I don't notice that much more difference in FPS for that 250mhz, but it makes me feel better to hold back a little during every day use :)

On the JX I could run 5500mhz stable, some could do more, some only 5000mhz stable, it is unique to each GPU.

Have fun :)

Václav Krtek
11-01-2014, 08:11 AM
Thank you so much for the great advice. I appreciate your answers.