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How much electricity does my computer use?

My parents are complaining about the electricity bill, how it gone up a bit. I'm wondering if my computer is really the problem, its a brand new computer and I bought it from Best Buy. Can someone tell me how much watts of electricity it uses?

http://www.bestbuy.com/site/cyberpowerpc-zeus-mini-desktop-amd-a10-series-8gb-memory-1tb-hard-drive/4288022.p?id=1219097502258&skuId=4288022&st=zeus%20mini&cp=1&lp=4
Reply to Johnny Jiang
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  1. The best way is with a Kill-A-Watt device or similar. Home Depot, Amazon, BestBuy.

    Show the parents actual numbers instead of guessing.
    Reply to USAFRet
  2. I cant give you an exact number of how much it uses.

    Most of it will depend on how long your PC is running. Make sure you turn it off at nite when your not using it and when you are away during the day. Make sure you use "shutdown" and not 'sleep', or just get up and walk away.

    Same goes for the rest of the parts for your system - speakers, monitor, etc. Especially the monitor, make sure its also turned off when your done using your system.
    Reply to kittle
  3. As you can see here, under a GFX load that you will never see under gaming, your system will draw about 286 watts / 119 at idle from the wall,..... and their CPU uses lot more power than yours.

    http://www.guru3d.com/articles_pages/msi_radeon_r9_270x_gaming_review,8.html

    Let's say you spend half ya time gaming the most power hungry game on the planet and half your time just browsing the web. Average power would then be about 200 watts. So:

    200 watts / 1000 watts per kw-hr x 36 hours a week x 4.3 weeks per month x $0.10 per kw-hr = $3.10 per month.

    That's the average USA electric cost ...could be as high as say $0.22 on Long Island for example.

    That's just the PC....monitor will add a few watts and anything else that is plugged in separately but, barring a 500 watt speaker system and such, it would be tough to break $8.50 a month even on Long Island.
    Reply to JackNaylorPE
  4. Johnny Jiang said:
    My parents are complaining about the electricity bill, how it gone up a bit. I'm wondering if my computer is really the problem, its a brand new computer and I bought it from Best Buy. Can someone tell me how much watts of electricity it uses?

    http://www.bestbuy.com/site/cyberpowerpc-zeus-mini-desktop-amd-a10-series-8gb-memory-1tb-hard-drive/4288022.p?id=1219097502258&skuId=4288022&st=zeus%20mini&cp=1&lp=4


    Should be around 400-450 watts at most during heaviest use.... like 7-8, 60W light bulbs.

    ***Actual numbers are better than my guess attempts, for sure =)
    Reply to skit75
  5. Best answer
    *I found some actual numbers. Your system should use roughly:

    IDLE/Light usage: 70 Watts average

    Gaming: 270 Watts average

    Plus the MONITOR which might be 30Watts or more (see manual)

    That's based on the following articles, one about a 7700K APU system with no card, and the second based on a system with the R9-270X.

    http://www.eteknix.com/complete-amd-kaveri-review-a10-7850k-a10-7700k-a8-7600/16/
    http://www.guru3d.com/articles_pages/radeon_r7_260x_r9_270x_280x_review_benchmarks,10.html

    So...

    1) Make sure the computer is OFF, or Hibernating when not used.

    2) Here's an example calculation for a week: 10 hours idle + 10 hours gaming = (10x100W) + (10x300W) = 4000Wh per week.

    So that's 4KWh's (4 Kilo-Watt hours). If the price of electricty was 20 cents per kilo-Watt hour then your electricity for a month is....

    $3.20

    (Provided I made no mistakes, and using my estimated hours)

    Update:
    If you have AIR CONDITIONING running this would change the number quite a bit since it would have to work harder to remove the hot air from the computer but I don't know how much difference that would make.
    Reply to photonboy
  6. He has the 270x...real actual numbers from Guru3Ds 270x article and calculations for which are in the 4th post
    Reply to JackNaylorPE
  7. photonboy said:
    *I found some actual numbers. Your system should use roughly:

    IDLE/Light usage: 70 Watts average

    Gaming: 270 Watts average

    Plus the MONITOR which might be 30Watts or more (see manual)

    That's based on the following articles, one about a 7700K APU system with no card, and the second based on a system with the R9-270X.

    http://www.eteknix.com/complete-amd-kaveri-review-a10-7850k-a10-7700k-a8-7600/16/
    http://www.guru3d.com/articles_pages/radeon_r7_260x_r9_270x_280x_review_benchmarks,10.html

    So...

    1) Make sure the computer is OFF, or Hibernating when not used.

    2) Here's an example calculation for a week: 10 hours idle + 10 hours gaming = (10x100W) + (10x300W) = 4000Wh per week.

    So that's 4KWh's (4 Kilo-Watt hours). If the price of electricty was 20 cents per kilo-Watt hour then your electricity for a month is....

    $3.20

    (Provided I made no mistakes, and using my estimated hours)

    Update:
    If you have AIR CONDITIONING running this would change the number quite a bit since it would have to work harder to remove the hot air from the computer but I don't know how much difference that would make.


    I live in California, I have no idea how much does the electricity cost, and my bill went up like $50, I'm sure its not my computer. Cause I have this oxygen machine that's on like most of the time for my grandma and she has medical problems. I think its mostly the machine's fault.
    Reply to Johnny Jiang
  8. Johnny Jiang said:


    I live in California, I have no idea how much does the electricity cost, and my bill went up like $50, I'm sure its not my computer. Cause I have this oxygen machine that's on like most of the time for my grandma and she has medical problems. I think its mostly the machine's fault.



    There is no way your new PC uses $50/month.
    Reply to USAFRet
  9. USAFRet said:
    Johnny Jiang said:


    I live in California, I have no idea how much does the electricity cost, and my bill went up like $50, I'm sure its not my computer. Cause I have this oxygen machine that's on like most of the time for my grandma and she has medical problems. I think its mostly the machine's fault.



    There is no way your new PC uses $50/month.


    I know right? Like she has the machine on for like 24/7 for oxygen. I'm sure most of the electricity usage is coming from that..
    Reply to Johnny Jiang
  10. Johnny Jiang said:
    I live in California, I have no idea how much does the electricity cost, and my bill went up like $50, I'm sure its not my computer. Cause I have this oxygen machine that's on like most of the time for my grandma and she has medical problems. I think its mostly the machine's fault.



    Go to this link and plug the number you get for your zip code and your actual hours into the formula in Post # 4 (that's for the 270x) and you will get an accurate number.

    I ran an electric utility for 6 years, we bought it for like 1/2 cent per kw from Niagra Falls..... spent like 9 cents renting the transmission lines getting it downstate, used 1.5 cents to cover our budget and sold it for 11 cents a kw.
    Reply to JackNaylorPE
  11. Real time monitor my super computer power consumption on https://youtu.be/OWNmiQ0PIhA
    Reply to denohk
  12. USAFRet said:
    Johnny Jiang said:


    I live in California, I have no idea how much does the electricity cost, and my bill went up like $50, I'm sure its not my computer. Cause I have this oxygen machine that's on like most of the time for my grandma and she has medical problems. I think its mostly the machine's fault.



    There is no way your new PC uses $50/month.


    This is really old, but came up while I was searching. At the time of that writing, tier 4 usage in some parts of California was $0.34 per kilowatt hour. If a PC used 200 watts and was left on 24/7, that's 4.8Wh per day (200w x 24h), which is 4.8kWh per day. 4.8kWh per day times $0.34 per kWh is $1.63 per day, times 30 days is $48.96 per month.

    What people don't generally get is that at the higher tiers of usage, one additional appliance under that old rate structure was exceedingly expensive.
    Reply to suah117
  13. suah117 said:
    USAFRet said:
    Johnny Jiang said:


    I live in California, I have no idea how much does the electricity cost, and my bill went up like $50, I'm sure its not my computer. Cause I have this oxygen machine that's on like most of the time for my grandma and she has medical problems. I think its mostly the machine's fault.



    There is no way your new PC uses $50/month.


    This is really old, but came up while I was searching. At the time of that writing, tier 4 usage in some parts of California was $0.34 per kilowatt hour. If a PC used 200 watts and was left on 24/7, that's 4.8Wh per day (200w x 24h), which is 4.8kWh per day. 4.8kWh per day times $0.34 per kWh is $1.63 per day, times 30 days is $48.96 per month.

    What people don't generally get is that at the higher tiers of usage, one additional appliance under that old rate structure was exceedingly expensive.


    However, you have to also understand that it won't use 200W per hour directly from the mains. The whole point of a power supply is to down-step the voltage that is coming from the mains and to the pc else it blows it apart. By stepping down the voltage you are also increasing the watts that is being sent through. So for example (very hypothetically), you may only be drawing 20W from the mains but because you are stepping down the voltage by a factor of 10, the pc is actually getting 200W (not including any efficiency issues).
    Reply to thetimtam97
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