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can I downclock Gtx 660 to reduce wattage consumption

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  • Gtx
  • Overclocking
  • CPUs
Last response: in Overclocking
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August 13, 2014 7:18:17 AM

My PC has a 125 watt CPU
Nothing more power hungry but the PSU is corsair CX 430v2
Been facing problems lately after buying Gtx 660 like crashes freezes
So just want to know if under volting or under clocking would reduce the power consumption,
And I already locked a core of my phenom x4 CPU in the bios to reduce consumption. Expert advice is greatly appreciated

More about : downclock gtx 660 reduce wattage consumption

August 13, 2014 7:26:31 AM

gtx 660 uses max 180w of power, your PSU should be good enough.
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August 13, 2014 7:43:17 AM

The PSU is lacking. You can downclock the GPU to stop crashes, reduce in-game video settings, and/or run Windows in power-saving mode. Upgrading to a quality 500w or greater PSU will fix those problems and allow you to run all of your components at default clock speeds. I have the same GPU (max TDP is 140w, not 180w) and a 130w Intel CPU and since upgrading to an XFX 550w PSU, my games have not been crashing as much anymore.
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August 13, 2014 8:28:29 AM

chromenut said:
gtx 660 uses max 180w of power, your PSU should be good enough.

Gtx 660 has a tsp of 140 watt and used 120 watt when 100 percent usage and my PSU can't handle that , PC always freezes and has to restart manually ,

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August 13, 2014 8:31:47 AM

To Joseph,
I was thinking of downclocking it quite enough , around 200mhz in core frequency and around 1500 MHz in memory frequency , just as u would know , would it bebstable that way by downclocking so much
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August 13, 2014 8:32:10 AM

are you sure that your pc isnt unstable?

usually when your PSU is lacking the pc just shuts down.

e: try to undervolt the gpu.
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August 13, 2014 8:33:57 AM

And how much would the wattage reduce to be specific , asking cause right now I don't have a budget for psu
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August 13, 2014 8:37:58 AM

PC doesn't shut down , driver crashes very often , some time PC freezes , and have to restart manually, have tried everything for drivers like driver sweeper and all driver version
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August 13, 2014 8:43:31 AM

Faulty gpu?
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August 13, 2014 8:54:20 AM

I have played games on this GPU in the starting but after that , PC started on freezing , faulty ram and now only driver crashes , could driver problems means faulty GPU?
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August 13, 2014 9:32:58 AM

what are your temperatures when gaming?
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August 13, 2014 9:39:41 AM

chromenut said:
Faulty gpu?


chromenut said:
what are your temperatures when gaming?

30c idle , 58c load

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