LG B27U7D1
Uses less electricity than 15% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €11 a year, €107 over ten years.
- Power, SDR
- 25.9 W
- Typical 21 W
- Running cost
- €11 / year
- 4 h a day
- Power, HDR
- 33.6 W
- 1.3× SDR
Uses more than most comparable models: 85 % of them need less. Teamgee TG-S10 PRO, the most efficient alternative on sale, saves about €9 a year. 65% of comparable models reach a better class than F; the most common is E. In HDR it draws 33.6 W, 1.3 times its SDR power. LG has 335 models in this group; this one is number 252 among them. LG sells the same label values under other model names: 27US500, 27US550, 27US50Z and 2 more. Registered in Jul 2026, one of the newer models in its group.
Where it stands
Rank 4,008 of 4,819 monitors, 24–31″ by yearly consumption. 4,007 use less.
Next to it in the ranking
- LG 27US50Z 38 kWh same
- LG 27US550 38 kWh same
- LG B27U7D1 38 kWh
- Kuyouke Display P27D 38 kWh same
- Kuyouke Display P27Z 38 kWh same
What it will cost you
| Period | B27U7D1 | TG-S10 PRO | Difference |
|---|---|---|---|
| 1 year | €11 | €2 | −€9 |
| 5 years | €54 | €11 | −€43 |
| 10 years | €107 | €22 | −€86 |
| 15 years | €161 | €32 | −€128 |
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 | 38 | €11 |
| 8 hours a day | 76 | €21 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| LG B27U7D1 (this model) | 38 | — |
| 8 | €9 | |
| 10 | €8 | |
| 10 | €8 | |
| 10 | €8 | |
| 12 | €7 |
Label and product sheet
- Energy class SDR / HDR
- F / G
- On-mode power SDR
- 25.9 W
- On-mode power HDR
- 33.6 W
- Standby / networked standby
- 0.5 W
- Screen diagonal
- 27″
- Resolution
- 3840×2160
- 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.
B27U7D1
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the LG B27U7D1 cost to run?
At 4 hours a day it uses about 38 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 €107 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 33.6 W instead of 25.9 W, 1.3 times as much. The yearly cost on this page uses SDR, as the label does.