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Wattage amount for 4k gaming with 2 titan x's?

Nickgerard25
By Nickgerard25
in New Builds and Planning
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Hi everyone.  Im curious to know how much psu wattage do I need for hardcore overclocking 4k gaming?  Is 1000 enough, or do I need a 1200 psu?  I will be running 2 titan x's and I was told those things take up a massive amount of power.  I don't know anything about gaming so any help is appreciated :-)

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id think 1000 is enough

or at least id hope it is :S

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probably 1000w.

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Hi everyone.  Im curious to know how much psu wattage do I need for hardcore overclocking 4k gaming?  Is 1000 enough, or do I need a 1200 psu?  I will be running 2 titan x's and I was told those things take up a massive amount of power.  I don't know anything about gaming so any help is appreciated :-)

1000w is a lot of overkill. You would be very much fine with 850w. They don't consume THAT much energy.

Want to help researchers improve the lives on millions of people with just your computer? Then join World Community Grid distributed computing, and start helping the world to solve it's most difficult problems!

 

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I would say 850W is enough. They use a bit more power than the 980's but not huge amounts more.

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oh really?  ok then 850.  also i forgot to mention i wont be doing any multitasking or 3d rendoring/video editiing, ill only be gaming with my new rig

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Hi everyone.  Im curious to know how much psu wattage do I need for hardcore overclocking 4k gaming?  Is 1000 enough, or do I need a 1200 psu?  I will be running 2 titan x's and I was told those things take up a massive amount of power.  I don't know anything about gaming so any help is appreciated :-)

850 is actually more than enough, even 750 would be enough as long as you have a solid psu. But just get an evga p2 1000w if you want a silent ultimate psu for that setup.

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I didn't know psu's where more "quieter" then others.  thanks for the tip @Sean

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I didn't know psu's where more "quieter" then others.  thanks for the tip @Sean

Yes, it all depends on the fan they use, if they use a fan, and if the fan has an automatic mode. My PSU produces zero noise until my system is at about 40% load, then the fan turns on. Until then, the fan doesn't spin at all.

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Titan X doesn't draw that much power than a 980. I'm running 2 980s at 1400MHz for a 4k display very comfortably on a 750W power supply. 850W would be fine although you could probably justify buying a 1000W power supply for that kind of system.

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PCPartPicker estimates an X99 build with two Titan X, (32GB memory, 2xSATA) at 793W. If one planned to oc the cpu and gpu, something around 1000W would be comfortable. 850W I think would be a touch tight.

 

Geforce.com lists TDP at 250W, http://www.geforce.com/hardware/desktop-gpus/geforce-gtx-titan-x/specifications. Remember the card does have 12GB of GDDR5 and 3,072 CUDA cores.

80+ ratings certify electrical efficiency. Not quality.

 

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I didn't know psu's where more "quieter" then others.  thanks for the tip @Sean

 

Most PSUs have fans in them which are used for cooling the PSU, and some of the higher end ones can turn the fan off when the temperature is below a certain point to reduce noise, or have a better fan that is both quieter and moves more air.

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750W is more than you will need.

 

look at 0:20

the entire PC only uses 650W

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750W is more than you will need.

 

look at 0:20

the entire PC only uses 650W

One must keep overclocking in mind as well.

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One must keep overclocking in mind as well.

Look at Linus' video. He used OCed 5930k with OCed Gtx 980s. 4way SLI consumed 620w FROM THE WALL. Factor in PSU efficiency.... and you just realize that Maxwell is that much power efficient.

 

Now, I know it isn't the 980, it is the Titan X. A reviewer of my language measured 340w on single. Assuming assuming that a second one would double the consumption (which is competely false, but still....), we are looking at 680w from the wall, so that's not counting the PSU efficiency.

 

So... yeah. Forget any bullcrap that anyone says about needing super high wattage PSU. 850w will be PLENTY of breathing room.

Want to help researchers improve the lives on millions of people with just your computer? Then join World Community Grid distributed computing, and start helping the world to solve it's most difficult problems!

 

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One must keep overclocking in mind as well.

Why do you think I said 750W then?

NEW PC build: Blank Heaven   minimalist white and black PC     Old S340 build log "White Heaven"        The "LIGHTCANON" flashlight build log        Project AntiRoll (prototype)        Custom speaker project

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Why do you think I said 750W then?

As the owner of two 780s (Titan X in ~12 hours) and 750W  power supply, an 850W unit is the better and safer choice. 

Case: Corsair 4000D Airflow; Motherboard: MSI ZZ490 Gaming Edge; CPU: i7 10700K @ 5.1GHz; Cooler: Noctua NHD15S Chromax; RAM: Corsair LPX DDR4 32GB 3200MHz; Graphics Card: Asus RTX 3080 TUF; Power: EVGA SuperNova 750G2; Storage: 2 x Seagate Barracuda 1TB; Crucial M500 240GB & MX100 512GB; Keyboard: Logitech G710+; Mouse: Logitech G502; Headphones / Amp: HiFiMan Sundara / Mayflower Objective 2; Monitor: Asus VG27AQ

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