WattCost

Data through April 2026

Computer Monitors · 41 certified models

BenQ

BenQ: 41 ENERGY STAR certified models in this data, running $5.82 to $19 a year at the U.S. average electricity rate — a median of $8.94, versus $8.49 across every certified computer monitors.

All certified models

BenQ, ranked by certified annual kWh
#ModelkWh/yr$/yr (US avg)
1BenQ GW2790C-Bmost efficient31$5.82
2BenQ GW2280-B32$5.95
3BenQ GW2480-B32$5.95
4BenQ GW2480-B32$6.08
5BenQ GW2490C-B33$6.16
6BenQ GW2490-B34$6.40
7BenQ GL2480-B35$6.65
8BenQ GW2490TC-T36$6.83
9BenQ GW2491-L39$7.32
10BenQ GW2790TC-Tmost efficient39$7.34
11BenQ GW2780-B40$7.61
12BenQ BL2581T-B41$7.72
13BenQ GW2280-T42$7.93
14BenQ GW2291-M42$7.97
15BenQ GL2780-B43$8.10
16BenQ GW2490P-L44$8.28
17BenQ GW2486-B44$8.29
18BenQ GW2490-L46$8.61
19BenQ GW2485-B46$8.64
20BenQ GW2790-B47$8.76
21BenQ GW2786-B48$8.94
22BenQ GW2790P-L49$9.29
23BenQ GW2791-L50$9.40
24BenQ GW2785-B51$9.65
25BenQ GW2790-L52$9.71
26BenQ GW2790Q-J53$9.96
27BenQ RD270Q-M61$11
28BenQ RD240Q-T65$12
29BenQ PD2700U-B66$12
30BenQ GW2790-T68$13
31BenQ PD2705Q-T70$13
32BenQ GW3290-T75$14
33BenQ MA270U-B76$14
34BenQ EW2790U-L78$15
35BenQ PD2770U-B85$16
36BenQ MA320UG-T86$16
37BenQ MA320U-B86$16
38BenQ MA270S-T88$17
39BenQ RD280UG-J89$17
40BenQ RD320U-T92$17
41BenQ RD280U-L101$19

Other brand facets

Questions, answered with the data

How much does it cost to run BenQ computer monitors?
Among 41 certified models in this data, BenQ computer monitors cost $5.82 to $19 a year to run at the U.S. average electricity rate (18.8¢/kWh) — a median of $8.94.
Do BenQ computer monitors cost more or less than the average computer monitor?
The median model here runs $8.94 a year, 5% more than the $8.49 median across all certified computer monitors.
What's the cheapest model among BenQ computer monitors?
The BenQ GW2790C-B costs about $5.82 a year at the U.S. average rate (31 kWh/yr) — the lowest certified figure in this group.
What does the certified annual-kWh figure assume for computer monitors?
The certified annual kWh (TEC) assumes the monitor is on 35% of the day and asleep the other 65%, per the ENERGY STAR test basis.

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