LG 34U640SB
Uses less electricity than 67% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €12 a year, €125 over ten years.
- Power, SDR
- 30.2 W
- Typical 31 W
- Running cost
- €12 / year
- 4 h a day
- Power, HDR
- 42.1 W
- 1.4× SDR
Near the middle of its group: 4 % below the typical 46 kWh. Class F is the most common class in this group (51% of models). In HDR it draws 42.1 W, 1.4 times its SDR power. LG has 244 models in this group; this one is number 48 among them. LG sells the same label values under other model names: 34U620SB.
Where it stands
Rank 471 of 1,482 monitors, 32–42″ by yearly consumption. 470 use less.
Next to it in the ranking
- Eneo VM-FHD32M 44 kWh −€0.06
- LG 34U620SB 44 kWh same
- LG 34U640SB 44 kWh
- Crua CR320ZB 44 kWh same
- Shark Gaming Systems SG34-UWQ180C 44 kWh same
What it will cost you
| Period | 34U640SB | LX34 ZA | Difference |
|---|---|---|---|
| 1 year | €12 | €2 | −€10 |
| 5 years | €62 | €12 | −€51 |
| 10 years | €125 | €24 | −€101 |
| 15 years | €187 | €35 | −€152 |
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 | 44 | €12 |
| 8 hours a day | 88 | €25 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| LG 34U640SB (this model) | 44 | — |
| 8 | €10 | |
| 8 | €10 | |
| 12 | €9 | |
| 23 | €6 | |
| 29 | €4 |
Label and product sheet
- Energy class SDR / HDR
- F / G
- On-mode power SDR
- 30.2 W
- On-mode power HDR
- 42.1 W
- Standby / networked standby
- 0.5 W / 2.0 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.
34U640SB
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the LG 34U640SB cost to run?
At 4 hours a day it uses about 44 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 €125 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 42.1 W instead of 30.2 W, 1.4 times as much. The yearly cost on this page uses SDR, as the label does.