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How many watts do I need? 2.0


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Introduction:

 who since retired from the forum, the "How many watts do I need" is still one of the most asked question by many people wanting to build a PC. By similar methodology, here a simple guideline to how much your PC would need, assuming the quality of the PSU itself is good. These numbers are estimations based off a stress maximum load, one you will likely never reach in normal use. Take these numbers as a guideline, but feel free to ask on the forum itself if you're still not sure what you need with your exact configuration.

 

Methodology:

CPU+GPU+50=estimated wattage, chosen worst case out of the configs

Low-end APU system:

  Quote

CPU:

AMD: 200ge/220ge/240ge/3000g

 

GPU:

none

 

Total estimated wattage:

68w


Recommended:

Tier C or higher, any wattage

 

Midrange APU system:

  Quote

CPU:
AMD: 2200g/2400g

 

GPU:

none

Total estimated wattage:

135w

Recommended:

Tier C or higher, any wattage

 

Low-end gaming:

  Quote

CPU:

AMD: 1200

Intel: 7600(k)/8100/8350k


GPU:

AMD: 550/560

Nvidia: 1030/1050 (ti)/1650 (super)

 

Total estimated wattage:

260w

Recommended:

Tier B or higher, 400w+

 

Midrange gaming:

  Quote

CPU:

AMD: 1600(x)/2600(x)/3600(x)

Intel: 7700(k)/8400/8600(k)


GPU:

AMD: 470/480/570/580/590/5500xt/5600xt
Nvidia: 1060/1070/1660 (super/ti)/2060 (super/KO)

Total estimated wattage:

425w

Recommeded:

Tier B or higher, 450w+

 

Mid-high gaming:

  Quote

CPU:
Intel: 8600(k)/8700(k)/9700(k)

AMD: 1700(x)/2700(x)/3600(x)/3700x/3800x


GPU:
AMD: vega 56/vega 64/5700/5700xt

Nvidia: 1070 ti/1080/2070 (super)

Total estimated wattage:

540w

Recommended:

Tier B+ or higher, 550w+

 

High-end gaming:

  Quote

CPU:
Intel: 8700(k)/9700(k)/9900(k)
AMD: 
3700x/3800x/3900x/3950x


GPU:
AMD: VII

Nvidia: 1080 ti/2080 (super/ti)/titan V/Titan RTX/Titan XP (Pascal)

Total estimated wattage:

598w

Recommeded:

Tier A or higher, 650w+

 

Low-end hedt/tr:

  Quote

CPU:
Intel: 7900x/7920x
AMD: 1900x/2920x


GPU:

Nvidia: 2080 ti

Total estimated wattage:

578w

Recommeded:

Tier A or higher, 650w+

 

Midrange hedt/tr:

  Quote

CPU:
Intel: 7940x/7960x
AMD: 1920x/1950x/2950x/3960x/3970x

 

GPU:

Nvidia: 2080 ti


Total estimated wattage:

653w

Recommeded:

Tier A+ or higher, 750w+

 

High-end hedt/tr:

  Quote

CPU:
Intel: 7980xe/9980xe/10980xe
AMD: 2970wx/3970x

 

GPU:

Nvidia: 2080 ti


Total estimated wattage:

744w

Recommeded:

Tier A+ or higher, 850w+

 

Ultra high-end hedt/tr:

  Quote

CPU:
Intel: 9990xe/W-3175x

AMD: 2990wx/3990x

 

GPU:

Nvidia: 2080 ti


Total estimated wattage:

1091w

Recommeded:

Tier S, 1200w+

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