Monitors and displaysENERGY STAR certified
LG 27BL55U-B
27 in monitor display, model number 27BL55U.
Screen size
27 in
Native resolution
3840 x 2160
Power in use
23.9 W
USB-C with power delivery
No
Of 1,489 certified monitor monitors and displays, 1,189 have a lower power in use than the 27BL55U-B (23.9 W).
ENERGY STAR has certified this model 2 times, first in Jan 2020. The figures here are from the most recent certification.
- Maker
- LG
- Model
- 27BL55U-B
- Model number
- 27BL55U
- Type
- Monitor
- Screen size
- 27 in
- Native resolution
- 3840 x 2160
- Panel
- IPS LCD
- Maximum brightness
- 250 cd/m²
- USB-C with power delivery
- No
- Inputs
- Display, HDMI
- Power in use
- 23.9 W
- Power in sleep
- 0.13 W
- Power when off
- 0.13 W
- ENERGY STAR Most Efficient
- No
- On the market since
- Jan 2019
- ENERGY STAR certified
- 20 Jan 2020
Certified under the same record
The maker lists these as the same machine or a variant of it: 27BN55U-B, 27BN55U, All models are identical to each other except for different enclosure or sales region.
Source: ENERGY STAR certified monitors and displays dataset, US EPA, record 2358768, data build 2026-09-29. Figures are as the maker certified them. How we use this data.
Other makers
Machines comparable to the 27BL55U-B
Certified monitors and displays from other makers, same color class, within 20% of its speed.
| Model | Type | Screen size | Native resolution | Power in use |
|---|---|---|---|---|
| DELL S2719HS | Monitor | 27 in | 1920 x 1080 | 12.8 W |
| DELL U2719D | Monitor | 27 in | 2560 x 1440 | 18.4 W |
| Samsung S27R65*FD# | Monitor | 27 in | 1080 x 1920 | 13.5 W |
| ASUS VA27EQSB | Monitor | 27 in | 1080 x 1920 | 14.8 W |
| Lenovo P27q-20 | Monitor | 27 in | 1440 x 2560 | 16.5 W |
| Lenovo T27q-20 | Monitor | 27 in | 2560 x 1440 | 17.2 W |
LG
More LG monitors and displays
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|---|---|---|---|---|
| 105BM5N-B | Signage Display | 105 in | 5120 x 2160 | 173 W |
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| 105TR5WP-B | Signage Display | 105 in | 5120 x 2160 | 170 W |
| 17MT70* | Monitor | 17 in | 2560 x 1600 | 7.15 W |
| 20M35PH-B | Monitor | 19.5 in | 1600 x 900 | 9.75 W |
| 20MK40L-* | Monitor | 19.4 in | 1366 x 768 | 9.88 W |
| 20U401A-* | Monitor | 19 in | 1600 x 900 | 9.96 W |
| 22BL450Y-B | Monitor | 21.5 in | 1920 x 1080 | 11.5 W |