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Overclocking Results on nVidia GeForce GT 630

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post #1 of 4
Thread Starter 
Now, I am fully aware that a mainstream card such as this one should not be expected to be a good overclocker, nor should you expect a large performance increase from overclocking it. But there are owners of this card that I know that would probably be interested to know how well it overclocks.

As you may know, the stock clock speed of this card is 810 MHz, with the stock Shader Clock being 1620 MHz. Keep in mind this is the retail version of the card so it has a total of 96 CUDA cores. The Benchmarking tool that I used for this overclock was Unigine Heaven, and I used MSI Afterburner to do the actual overclock along with GPU-Z to test that the overclock was applied to the card correctly. Also bear in mind that this card does not have any external power connectors and gets all of it's power from the PCIE slot on the motherboard, so voltage was kept at it's default. I ran heaven with the following settings for this card, as it pushed it to it's limit fairly well.

API: DirectX 9
Quality: High
Tessellation: Disabled
Stereo 3D: Disabled
Multi-Monitor: Disabled
AA: Disabled
Full Screen: On
Resolution: 1920x1080

Here are the rest of the computer's specs:

Motherboard: ASUS M5A97 Rev. 2
CPU: AMD FX-6100 3.3GHz Socket AM3+
RAM: 8GB Crucial Ballistix 1600MHz
PSU: 500w Thermaltake Power Supply

Here are the stock speed benchmark results:

Average FPS: 8.5
Score: 213
Peak Temperature: 50 Degrees Celcius

The fact that the voltage wasn't changed only means that this card will not overclock nearly as well as a card that takes external power, as it cannot go to it's limit because it would become unstable. The highest clock speed that I could get out of this card without changing the voltage was 870 MHz. This means the shader clock was raised to 1740 MHz. Anything much higher than that presented several artifacts and even crashed the GPU. I didn't overclock the memory as this is the DDR3 version of the card, and overclocking the memory on a card like this one won't yield much, if any performance gain. The results of the 60 MHz overclock were as follows:

Average FPS: 8.7
Score: 220
Peak Temp: 53 Degrees Celcius (Temperature stayed this same temperature even after 2 hours of benchmarking)

So yeah, not a great performance increase, but what can you expect when you cannot increase the voltage much to stabilize the overclock? Anyhow, in some games you do get a 3-5 FPS increase, and if you plan on playing games like Planetside 2 on lowest settings, this overclock you will do you some good.

To be perfectly honest though, if you have this card, you shouldn't be gaming much anyhow, so if you want to game, invest in an AMD HD Radeon 7850 or GTX 660 from nVidia imo. Very good cards at their price point.

Thanks for reading! smile.gif

EDIT: Just wanting to let ya'll know that this was the gigabyte version with 1GB DDR3 RAM... 'cause who needs 2GB of VRAM with a card at this level?

Edited by KaplooeyRaRa - 7/30/13 at 4:21pm
post #2 of 4
I figured I would post my results.

I got a Galaxy GeForce GT 630 GC, this card comes already as factory overclocked at 830 Mhz I was able to push it to 910Mhz with no problems.
As for the memory, it comes at 800Mhz and pushed it up to 920Mhz just to have matching numbers.

As for the fps gains I couldn't tell since I overclocked this baby right before doing any gaming, however I will disagree that this is not a real gaming GPU for I am able to play Battlefield 4 with more then half the settings on Ultra @ 1080p and 20-25 fps (which is playable for me). Now, I do have to say these settings I have on Ultra are CPU demanding not GPU, so that is that.

My gaming rig is as follows:

Intel i7 2600k @ 4.4Ghz
Galaxy GeForce GT 630 GC 1 GB
G.SKILL Ripjaws X Series 8GB DDR3 SDRAM
Motherboard: Asus P8Z77-V

post #3 of 4
i also tryd Overclocking a GT630 but i have a 2g version this was my first time overclocking so i have a few questions i heard a good temperature is anything below 80 and i cant even get this thing above 60 so is the only thing i need to worry about the gpu becoming unstable cause of the lack of power cause if that's the case i should be able to keep it at 910 clock seed
post #4 of 4
Thread Starter 
@Xdbored, you should be fine. I no longer use this card, as I found a GTX 570 SOC sitting around in my garage that works perfectly tongue.gif
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