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CostORun

Computer monitor vs Desktop computer: which costs more to run? (2026)

Estimates use U.S. average $0.180 $/kWh, typical wattage, and typical hours/day from our catalog. Adjust on each appliance page.

Computer monitor

Typical watts
40 W
Hours/day
6
Monthly est.
$1.29
kWh/mo
7.2

Desktop computer

Typical watts
200 W
Hours/day
4
Monthly est.
$4.31
kWh/mo
24.0

Desktop computer is estimated to cost more per month at typical use.