LG B34U6D4
Uses less electricity than 71% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €12 a year, €122 over ten years.
- Power, SDR
- 29.6 W
- Typical 31 W
- Running cost
- €12 / year
- 4 h a day
- Power, HDR
- 38.7 W
- 1.3× SDR
Near the middle of its group: 6 % below the typical 46 kWh. Class F is the most common class in this group (51% of models). In HDR it draws 38.7 W, 1.3 times its SDR power. LG has 244 models in this group; this one is number 43 among them. LG sells the same label values under other model names: 34U640B, 34U64XB. Registered in Aug 2026, one of the newer models in its group.
Where it stands
Rank 420 of 1,482 monitors, 32–42″ by yearly consumption. 419 use less.
Next to it in the ranking
- LG 34U640B 43 kWh same
- LG 34U64XB 43 kWh same
- LG B34U6D4 43 kWh
- Arozzi AZ-NO-34T2K165 43 kWh same
- LC-Power LC-M34-UWQHD-100-C 43 kWh same
What it will cost you
| Period | B34U6D4 | LX34 ZA | Difference |
|---|---|---|---|
| 1 year | €12 | €2 | −€10 |
| 5 years | €61 | €12 | −€49 |
| 10 years | €122 | €24 | −€99 |
| 15 years | €184 | €35 | −€148 |
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 | 22 | €6 |
| 4 hours a day | 43 | €12 |
| 8 hours a day | 86 | €24 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| LG B34U6D4 (this model) | 43 | — |
| 8 | €10 | |
| 8 | €10 | |
| 12 | €9 | |
| 23 | €6 | |
| 29 | €4 |
Label and product sheet
- Energy class SDR / HDR
- F / G
- On-mode power SDR
- 29.6 W
- On-mode power HDR
- 38.7 W
- Standby / networked standby
- 0.5 W
- Screen diagonal
- 34″
- Resolution
- 3440×1440
- Panel
- LED LCD
- Refresh rate
- 60 Hz
- Software updates (minimum)
- 8 years
- Guarantee (supplier)
- 1 years
- Spare parts (minimum)
- 8 years
Model numbers and history
Registered by LG under one model number.
B34U6D4
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the LG B34U6D4 cost to run?
At 4 hours a day it uses about 43 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €12 a year, or €122 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 38.7 W instead of 29.6 W, 1.3 times as much. The yearly cost on this page uses SDR, as the label does.