Concern about PC electricity usage

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N_F_Birkin

N_F_Birkin

Reputable
Sep 16, 2015
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Dear Community,

Is it possible to build a gaming PC to run games such as Wolfenstein The New Order, Dark Souls 3, The Evil Within, etc, with good quality settings (720p maxed out or better) that doesn't require more than 100 Watts? I have a Wii U and a laptop with dedicated graphics card, and they need a maximum of 35 W and 65 W respectively, wich makes my wallet happy. But I want to build a desktop PC and when I see PSUs of >500 W I reconsider it. Even if the PC doesn't draw all the power the PSU can provide, >250 W are still a lot in my opinion.

I appreciate any opinions on the matter. Thanks for your kind attention,
 
Solution
James Mason
I'm gonna say no. PCs will use a minimum of like 120Ws for just a CPU, Mobo and HDD.

Why do you need to be so concerned about the watt draw of a computer?

The Wii U and Laptop are different things that you can't really compare to a computer, they were designed to be as inflexible as possible so everything about them is set in stone.

200Ws is kinda doable, but you need a bigger PSU than that:

PCPartPicker part list / Price breakdown by merchant

CPU: *Intel Core i3-6100 3.7GHz Dual-Core Processor ($111.99 @ SuperBiiz)
Motherboard: *MSI B150 Gaming M3 ATX LGA1151 Motherboard ($9.99 @ Best Buy)
Memory: *Kingston HyperX Fury Black 4GB (1 x 4GB) DDR4-2133 Memory ($19.98 @...
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James Mason

James Mason

Titan
Jan 2, 2014
13,553
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I'm gonna say no. PCs will use a minimum of like 120Ws for just a CPU, Mobo and HDD.

Why do you need to be so concerned about the watt draw of a computer?

The Wii U and Laptop are different things that you can't really compare to a computer, they were designed to be as inflexible as possible so everything about them is set in stone.

200Ws is kinda doable, but you need a bigger PSU than that:

PCPartPicker part list / Price breakdown by merchant

CPU: *Intel Core i3-6100 3.7GHz Dual-Core Processor ($111.99 @ SuperBiiz)
Motherboard: *MSI B150 Gaming M3 ATX LGA1151 Motherboard ($9.99 @ Best Buy)
Memory: *Kingston HyperX Fury Black 4GB (1 x 4GB) DDR4-2133 Memory ($19.98 @ Newegg)
Storage: *Western Digital Caviar Blue 1TB 3.5" 7200RPM Internal Hard Drive ($46.98 @ OutletPC)
Video Card: *Zotac GeForce GTX 750 Ti 2GB Video Card ($94.99 @ Amazon)
Case: *Deepcool TESSERACT BF ATX Mid Tower Case ($32.99 @ SuperBiiz)
Power Supply: *EVGA 430W 80+ Certified ATX Power Supply ($29.99 @ Amazon)
Optical Drive: *Lite-On iHAS124-14 DVD/CD Writer ($13.99 @ Newegg)
Operating System: *Microsoft Windows 8.1 OEM (64-bit) ($84.99 @ NCIX US)
Total: $445.89
Prices include shipping, taxes, and discounts when available
*Lowest price parts chosen from parametric criteria
Generated by PCPartPicker 2016-05-04 11:48 EDT-0400
 
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Solution
Spectre694

Spectre694

Dignified
Feb 28, 2014
2,907
0
13,960
You do understand that even if your run say a 500W PSU at full power for 24/7 you're still only looking at something like $30 a month (depending on electric rate). I can do the math if you really want. I highly doubt you're going to running at full capacity 24/7 anyway probably more like 50-75% for 2 hours or so a day.

EDIT: Electric rate was a bit higher than I remembered since last I looked. So I guess it would be closer to around $50 but my point about not running it a full capacity still stands.
 
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