LG 34BN670
- Monitors
- 34″
- Full HD
- LCD / LED
Uses 13% more energy than the average for 34-inch monitors on Wattabill (559 models).
Running cost at a glance
- €21.83 per year
- €218 over 10 years
- 77.1 kWh per year
- 16 kg CO₂e per year from electricity use
Your country and usage
- Electricity at €0.2832 per kWh (household price with taxes, Eurostat 2026-S1).
- 210 g CO₂e per kWh generated in 2023 (European Environment Agency). Counts use only, not manufacturing.
We assume prices stay the same over the years.
Electricity prices in all EU countries
Same size and resolution, cheaper to run
Models on the market with the same screen size and resolution as the LG 34BN670 that use at least 5% less energy.
About this model
Text from the manufacturer, via Icecat.
- WIDER WORKSPACE
- This 34-inch 21:9 UltraWide™ Wide Full HD display provides more room than a 16:9 Full HD resolution display, offering a wider workspace to view multiple documents at once
- HDR 10
- HDR delivers a more dramatic, dynamic visual immersion experience. HDR 10 is the digital HDR standard based on thesRGB 99% color gamut, and you can fully enjoy HDR 10 videos and games on this monitor
- FLICKER SAFE
- Flicker Safe reduces on-screen flickers, which helps minimize eye strain and eye fatigue. By combining Flicker Safe with the proven picture quality of IPS technology, users can comfortably work throughout the day
- READER MODE
- With a touch of a button, Reader Mode allows the reduction of blue light emissions that can be harmful to the eyes
UltraWide™ Full HD Display
Elevate Your Home Office Equipment
The 21:9 UltraWide™ Full HD resolution (2560x1080) offers 33% more screen space compared to Full HD resolution display which has an aspect ratio of 16:9.
Online Classroom with Wide Field of View
Easily manage textbooks, lectures, conversations and searches in a single view and turn the wide screen into your favorite online classroom.
Read more
Stop Alt-Tabbing and Start Viewing Side-by-Side
This UltraWide™ screen enables you to have your work documents and screens side by side without repeating Alt-tab.
VESA DisplayHDR™ 400
Clear and Bright HDR
The monitor supports VESA DisplayHDR™ 400 with wide-range brightness and contrast, enabling dramatic visual immersion in the latest HDR games, movies, and images.
IPS with sRGB 99% (Typ.)
Great Colors and Wider View
LG IPS monitor displays colors quality and a wider viewing angle. The IPS display of the 34bn670-b has 99% coverage of the sRGB color spectrum.
MaxxAudio®
Immersive Experience
This streamlined UltraWide™ display features 7W Stereo Speakers with MaxxAudio® to help create your immersive experience.
OnScreen Control
Control with a Few Clicks
You can customize the workspace by splitting the display or adjusting basic monitor options with just a few mouse clicks.
Flicker Safe & Reader ModeCare for Eyes
Flicker Safe reduces invisible flickering on the screen and provides a more comfortable working environment for your eyes with Reader Mode, which creates a screen with a color temperature similar to that of paper.
AMD FreeSync™
Clear, Smooth Image
With AMD FreeSync™ technology, gamers can experience virtually seamless, fluid movement throughout hi-re, fast-past games. AMD FreeSync™ virtually eliminates screen tearing and stuttering.
Dynamic Action Sync
Dynamic Action Sync minimizes input lag so gamers can catch every moment of the game in real-time.
Black Stabilizer
Black Stabilizer lights up the dark parts of games to help see.
Crosshair
Better Aim
The target point is fixed in the center to enhance shooting accuracy.
Ergonomic Design
Easy and Comfortable
The One-Click stand makes it easy to install without any other equipment, and flexibly adjust the height and tilt of the big screen to position it in the optimal position for you.
Specifications
| Brand | LG |
|---|---|
| Model | 34BN670 |
| Energy class | G |
| Screen size | 34″ (86.7 cm) |
| Power in on mode (SDR) | 35.2 W |
| Energy class (HDR) | G |
| Power in on mode (HDR) | 36.1 W |
| Standby | 0.5 W |
| Off mode | 0.3 W |
| Resolution | 2560 × 1080 |
| Aspect ratio | 21:9 |
| Panel | LED LCD |
| Refresh rate | 60 Hz |
| Power supply | External |
| Guaranteed support | 8 years |
| Software updates | 8 years |
| Spare parts available | 8 years |
| On the market since | February 26, 2021 |
| EPREL registration number | 356523 |
Source: EPREL, European Commission. Data updated October 13, 2026.
Product description and images: Icecat (Open Icecat), provided as is, without warranty.