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Is GTX 460 the best graphics card for my PSU?

I have got a 460W PSU. Is the GTX 460 the best graphics card for my PC? I don't wanna upgrade my PSU since that would be out of my budget. I know some manufacturers list set a limit on "Minimum PSU Requirements" but minimum PSU requirements isn't entirely true on all systems. HD 6870 still works on some 400W PSUs afaik from the stories on the forums. Anyway is GTX 460 the best graphics card for my PSU?

My specs-

Processor- i5 2500k
Motherboard- MSI P67A-GD65
Corsair Vengeance 4 GB @ 1600 Mhz ( Upgrading to 8 GB )
Power Supply- Cooler Master 460W

Will the HD 6870 or HD 6950 work on my PSU or is the GTX 460 the best for my current PSU?
10 answers Last reply Best Answer
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  1. Measured power consumption Radeon HD 6950
    System in IDLE = 174W
    System Wattage with GPU in FULL Stress = 312W
    Difference (GPU load) = 138W
    Add average IDLE wattage ~ 20W
    Subjective obtained GPU power consumption = ~ 158 Watts
    You will be cutting it too close with a 460W, the good quality power supplies are from Seasonic, Antec, and Corsair. The 6870 should work out just fine though.
  2. gtx 460 will work also the hd 6870 will work and gtx 560 and gtx 560 ti will work but i don't recommend using it on hd 6950 I think it will work but its better to use at least 500W psu for this card
  3. Best answer
    The Cooler Master Elite 460 offers up 324W on the 12V. The 460 Extreme power plus offers 312W on the 12V. With either Cooler Master 460W, that's cutting it close to the 'Full Stress' load mention above since most of the wattage demand will be over the 12V rail.

    This lowest-level PSU I'd recommend to run a single 460, 560, 560 ti:

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139027&Tpk=corsair%20500W

    The CX500 gives you over 400W available on the 12V.
  4. I run a 460 SC at 900/1000 with a vx450 and a phenom 9850 and ddr2. You should be fine.
  5. brandondiep said:
    I run a 460 SC at 900/1000 with a vx450 and a phenom 9850 and ddr2. You should be fine.

    The difference is you have 396W available on your 12V with your power supply.
  6. ubercake said:
    The difference is you have 396W available on your 12V with your power supply.

    And it's a much better power supply than either of the CM's.
  7. delluser1 said:
    And it's a much better power supply than either of the CM's.

    True.
  8. Well he has a 2500k which is way more power efficient, my phenom is oc'd with atleast a 150WTDP, ddr2 at 2V, 3 hdd and 5 fans. Pretty sure he can run that 460 until he has enough to upgrade his psu if you do not overclock that is.
  9. Best answer selected by Javed4535.
  10. This topic has been closed by Mousemonkey
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