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what costs more to run?
show user profile  STRAT
just out of interest, what would you say costs more to run -

my band new mac pro (several cores) and 30"" monitor, or my 15 year old single processing pc with 17in CRT monitor.
of course, i'd obviously initially say the former, but on second thoughts? new computers are so economical these days i dont know.


read 389 times
11/20/2011 1:23:25 PM (last edit: 11/20/2011 1:24:08 PM)
show user profile  advance-software
u mean which uses more leccy ?

buy a multimeter, put it on ac current & measure it if you're really interested.

more current = more leccy = costs more.

try not to electricute yourself though.

who the hell cares though. u want fast rendering. if it uses more juice then it does.
read 377 times
11/20/2011 1:40:10 PM (last edit: 11/20/2011 1:40:10 PM)
show user profile  Mr_Stabby
cant really say based on that, the 30" lcd could take anywhere from 80-300w depending on panel and backlight. the crt would consume around 70-120w. modern desktops generally consume 50-300w idle and up to 1kw load(assuming it isnt some extreme setup which can easily go beyond 4kw). the old pc again depends a lot on whats in it, given the 15 years i'd estimate around 200-400w maybe?

only thing i can tell you for certain is that a modern pc is roughly 1000 times more energy efficient then one from 15 years ago (and no i didnt pull that number out of my ass)

read 373 times
11/20/2011 1:48:24 PM (last edit: 11/20/2011 1:50:21 PM)
show user profile  STRAT
thanks guys

a-s, nope, it really isnt that much of an issue, i was just curious how general running costs of the very old and uber new rack up next to each other thats all.


read 341 times
11/21/2011 9:25:21 AM (last edit: 11/21/2011 9:25:21 AM)
show user profile  Nik Clark
You can buy plugs that tell you how much electricity the plugged in devices are using. IF you really wanted to know, that might help.

read 337 times
11/21/2011 9:41:26 AM (last edit: 11/21/2011 9:41:26 AM)
show user profile  TiMoN
My new comp definately uses more power than my old stuff.

My new CPU has a max of 95W, where as I am pretty sure my old CPU was max 60W.
And I am sure that my current GFX card uses more power than my old, since it required me to buy a new PSU.

On the other hand the new Intel i5 and i7 (2xxx series) are quite good at saving power when idling.
And even when maxing them out they will handle the job, and go back to idle, much faster than an old dual core. (socket 775 types and such).
When gaming which can go on for hours(Damn you Skyrim) the new ones will definetely use more power though.

This whole article on Toms gives some nice indications:,3075-9.html

makes me kinda happy about my 2500K

edit.. why cant I make links anymore?..

Terribly boring signature.
read 327 times
11/21/2011 10:03:29 AM (last edit: 11/21/2011 10:07:31 AM)
show user profile  Garp
You should also take processing power into consideration.
If a 20 min render on the new machine takes 20 hours on the old for the same result, it sure costs a lot more.
Comparing 1 hour of light activity on each comp might - or might not - be relevant, depending on what you use them for.

read 315 times
11/21/2011 10:37:30 AM (last edit: 11/21/2011 10:37:30 AM)
show user profile  STRAT
i dont render on my old machine, i just use it for comms.

at home i have 2 multi-core machines (1 mac and 1 pc with big screens) switched on for about 9 hours a day almost every day, rendering or doing whatever, and my 15 year old pc and crt monitor switched on in the background basically doing not much. (not taking into account phone chargers, ipad and ipod docks, speakers etc etc)

just awaiting my new leccy bill to arrive and wondering what contributions things are making. im not too concerned as i know i must break a few eggs, however, perhaps i could economise a bit by switching off the wife's tv?


read 311 times
11/21/2011 10:53:31 AM (last edit: 11/21/2011 10:55:21 AM)
show user profile  Garp
Nah. Buy her a training bike, strap a dynamo to the disk and plug the tv to it.
And the old comp.
And the iThings chargers.
Problem solved :)

read 302 times
11/21/2011 11:09:01 AM (last edit: 11/21/2011 11:09:01 AM)
show user profile  Mr_Stabby
the best thing you can do for your electricity bill from computer side of things is buying a quality PSU, some oem noname PSU's can have efficiency as low as 60% which means that if the psu is marked 500w for example, it draws 833w from the socket and heats the room with 333w worth under 100% utilization. the better PSU's have around 90% efficiency, so the difference in price can be made up by just a couple months.

On the other hand if you live in an iceberg like me you probably dont mind the nice warm breeze on your feet while you render stuff :p

read 284 times
11/21/2011 1:19:38 PM (last edit: 11/21/2011 1:19:38 PM)
show user profile  STRAT
my office room is the only room in the house which has the radiators all turned off to keep heat levels as low as poss. i even have my window open all year round. and next summer I'm going to invest in a small portable air-con system to help regulate the temperature better.
i sit here working in my coat for the winter time :)

and my dog loves the blast of warm air from the fan on the floor. she spends her days with me stretched out in front of it. lovely and cosy. no room for me feet even :(


read 277 times
11/21/2011 2:11:49 PM (last edit: 11/21/2011 2:12:32 PM)
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