LG B27U7D3
Uses less electricity than 29% of the 4,819 monitors, 24–31″ on the EU register. At your selected price (European Union) that is €9 a year, €95 over ten years.
- Power, SDR
- 22.9 W
- Typical 21 W
- Running cost
- €9 / year
- 4 h a day
- Power, HDR
- 27.9 W
- 1.2× SDR
Near the middle of its group: 12 % above the typical 30 kWh. 65% of comparable models reach a better class than F; the most common is E. In HDR it draws 27.9 W, 1.2 times its SDR power. LG has 335 models in this group; this one is number 185 among them. LG sells the same label values under other model names: 27U730B. Registered in Jul 2026, one of the newer models in its group.
Where it stands
Rank 3,378 of 4,819 monitors, 24–31″ by yearly consumption. 3,377 use less.
Next to it in the ranking
- Raywego Q27P1B 33 kWh same
- LG 27U730B 33 kWh same
- LG B27U7D3 33 kWh
- Gameon GOE27FHD75VA 33 kWh same
- LC-Power LC-M27-FHD-165-C-V2 33 kWh same
What it will cost you
| Period | B27U7D3 | TG-S10 PRO | Difference |
|---|---|---|---|
| 1 year | €9 | €2 | −€7 |
| 5 years | €47 | €11 | −€37 |
| 10 years | €95 | €22 | −€73 |
| 15 years | €142 | €32 | −€110 |
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 | 17 | €5 |
| 4 hours a day | 33 | €9 |
| 8 hours a day | 67 | €19 |
Same size, lower running cost
On sale, at least 10% less energy, same size group
| Model | kWh / yr | Saves / year |
|---|---|---|
| LG B27U7D3 (this model) | 33 | — |
| 8 | €7 | |
| 10 | €7 | |
| 10 | €7 | |
| 10 | €7 | |
| 12 | €6 |
Label and product sheet
- Energy class SDR / HDR
- F / G
- On-mode power SDR
- 22.9 W
- On-mode power HDR
- 27.9 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.
B27U7D3
- First published in the EU register (EPREL)
- Placed on the EU market
Questions
How much does the LG B27U7D3 cost to run?
At 4 hours a day it uses about 33 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €9 a year, or €95 over ten years.
Does HDR use more electricity?
Yes. In HDR mode this screen draws 27.9 W instead of 22.9 W, 1.2 times as much. The yearly cost on this page uses SDR, as the label does.