Here's a basic question about computer setups from a layman. How do you estimate the power cost of your computer? I usually keep a computer on almost all day long at my workdesk, mostly in order to check on things on the internet, watch TV, listen to music, do light wordprocessing, and I'm not overly worried about performance and speed, so I'm wondering what kind of configuration would be the cheapest to run. I'm using an LED monitor, and right now I've got it hooked up to a PM8500 with a Newer G3 400mhz PCI upgrade. On another desk I've got a 400mhz B&W G3 hooked up to a 21" CRT which I use much less frequently. Which of these two computers would be the cheaper to run hooked up to the LED?
PM8500: 225W powersupply, 400mhz G3 processor, 3 PCI cards installed (ethernet, usb card, ATA100 controller), 512mb DRAM, 4mb VRAM, internal zip drive, CD ROM.
B&W G3: 200W powersupply, 400mhz G3 processor, 3 PCI cards installed (ATI 128 Xclaim VR, ATA133 controller, Firewire card), 1gb SDRAM, internal zip drive, DVD ROM.
Would there be any significant difference in energy cost between these two machines? Is the Wattage of the powersupply the major determining factor? thanks