BenQ EW2780Q
Uses less electricity than 18% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €11 a year, €105 over ten years.
- Power, SDR
- 25.5 W
- Typical 21 W
- Running cost
- €11 / year
- 4 h a day
- Power, HDR
- 29.7 W
- 1.2× SDR
Uses more than most comparable models: 82 % of them need less. Teamgee TG-S10 PRO, the most efficient alternative on sale, saves about €8 a year. 65% of comparable models reach a better class than F; the most common is E. In HDR it draws 29.7 W, 1.2 times its SDR power. BenQ has 89 models in this group; this one is number 77 among them. On the register since 2021 and still on sale.
Where it stands
Rank 3,904 of 4,819 monitors, 24–31″ by yearly consumption. 3,903 use less.
Next to it in the ranking
- LG 27UQ85R 37 kWh same
- ViewSonic VS18993(VP2786-4K) 37 kWh same
- BenQ EW2780Q 37 kWh
- Asus VG27AQ 37 kWh same
- ASRock TCO27USA 37 kWh +€0.06
What it will cost you
| Period | EW2780Q | TG-S10 PRO | Difference |
|---|---|---|---|
| 1 year | €11 | €2 | −€8 |
| 5 years | €53 | €11 | −€42 |
| 10 years | €105 | €22 | −€84 |
| 15 years | €158 | €32 | −€126 |
Is the more efficient model worth its price?
Enter both purchase prices to see the total cost of ownership.
Power in SDR and HDR
Cost by viewing time
| Use | kWh / yr | € / yr |
|---|---|---|
| 2 hours a day | 19 | €5 |
| 4 hours a day | 37 | €11 |
| 8 hours a day | 74 | €21 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| BenQ EW2780Q (this model) | 37 | — |
| 8 | €8 | |
| 10 | €8 | |
| 10 | €8 | |
| 10 | €8 | |
| 12 | €7 |
Label and product sheet
- Energy class SDR / HDR
- F / G
- On-mode power SDR
- 25.5 W
- On-mode power HDR
- 29.7 W
- Standby / networked standby
- 0.3 W
- Screen diagonal
- 27″
- Resolution
- 2560×1440
- Panel
- LED LCD
- Refresh rate
- 60 Hz
- Software updates (minimum)
- 8 years
- Guarantee (supplier)
- 2 years
- Spare parts (minimum)
- 7 years
Model numbers and history
Registered by BenQ under one model number.
EW2780Q
- Placed on the EU market
- First published in the EU register (EPREL)
Questions
How much does the BenQ EW2780Q cost to run?
At 4 hours a day it uses about 37 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €11 a year, or €105 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 29.7 W instead of 25.5 W, 1.2 times as much. The yearly cost on this page uses SDR, as the label does.