ViewSonic VS20781(VG3409C)
Uses less electricity than 53% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €13 a year, €128 over ten years.
- Power, SDR
- 31.0 W
- Typical 31 W
- Running cost
- €13 / year
- 4 h a day
- Power, HDR
- 46.0 W
- 1.5× SDR
Near the middle of its group: 1 % below the typical 46 kWh. Class F is the most common class in this group (51% of models). In HDR it draws 46.0 W, 1.5 times its SDR power. ViewSonic has 50 models in this group; this one is number 16 among them. ViewSonic sells the same label values under other model names: VS20781(VG3419C-2), VS20781(VA3420C-2), VS20781(VS3425C). Registered in Oct 2026, one of the newer models in its group.
Where it stands
Rank 531 of 1,482 monitors, 32–42″ by yearly consumption. 530 use less.
Next to it in the ranking
- Hisense 34G6QUK PRO 45 kWh same
- ViewSonic VS20781(VA3420C-2) 45 kWh same
- ViewSonic VS20781(VG3409C) 45 kWh
- ViewSonic VS20781(VG3419C-2) 45 kWh same
- ViewSonic VS20781(VS3425C) 45 kWh same
What it will cost you
| Period | VS20781(VG3409C) | LX34 ZA | Difference |
|---|---|---|---|
| 1 year | €13 | €2 | −€10 |
| 5 years | €64 | €12 | −€52 |
| 10 years | €128 | €24 | −€105 |
| 15 years | €192 | €35 | −€157 |
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 | 23 | €6 |
| 4 hours a day | 45 | €13 |
| 8 hours a day | 91 | €26 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| ViewSonic VS20781(VG3409C) (this model) | 45 | — |
| 8 | €10 | |
| 8 | €10 | |
| 12 | €10 | |
| 23 | €6 | |
| 29 | €5 |
Label and product sheet
- Energy class SDR / HDR
- F / G
- On-mode power SDR
- 31.0 W
- On-mode power HDR
- 46.0 W
- Standby / networked standby
- 0.5 W / 0.0 W
- Screen diagonal
- 34″
- Resolution
- 3440×1440
- Panel
- LED LCD
- Refresh rate
- 120 Hz
- Software updates (minimum)
- 8 years
- Guarantee (supplier)
- 3 years
- Spare parts (minimum)
- 7 years
Model numbers and history
Registered by ViewSonic under one model number.
VS20781(VG3409C)
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the ViewSonic VS20781(VG3409C) cost to run?
At 4 hours a day it uses about 45 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €13 a year, or €128 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 46.0 W instead of 31.0 W, 1.5 times as much. The yearly cost on this page uses SDR, as the label does.