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3 monitors side by side.

6 h a day
  • 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.

Yearly running cost

Bars in proportion to the energy each model uses.

  • LG 34BN670P €19.85
  • LG 34WP550 €17.80
  • LG 34WQ500 €17.74
Model LG 34BN670P LG 34WP550 LG 34WQ500
Running cost
Running cost (per year) €19.85 €17.80 €17.74
over 10 years €198 +€21 over 10 years €178 +€1 over 10 years €177
kWh per year 70.1 62.9 62.6
kg CO₂e per year from electricity use 15 13 13
Specifications
Brand LG LG LG
Model 34BN670P 34WP550 34WQ500
Energy class G F F
Screen size 34″ (86.7 cm) 34″ (86.7 cm) 34″ (86.7 cm)
Power in on mode (SDR) 32 W 28.7 W 28.6 W
Energy class (HDR) G G G
Power in on mode (HDR) 36.1 W 35.9 W 37.6 W
Standby 0.5 W 0.5 W 0.5 W
Off mode 0.3 W 0.3 W 0.3 W
Resolution 2560 × 1080 2560 × 1080 2560 × 1080
Aspect ratio 21:9 21:9 21:9
Panel LED LCD LED LCD LED LCD
Refresh rate 60 Hz 60 Hz 60 Hz
Power supply External External External
Guaranteed support 8 years 8 years 8 years
Software updates 8 years 8 years 8 years
Spare parts available 8 years 8 years 8 years
On the market since September 30, 2022 February 26, 2021 February 28, 2022
EPREL registration number 1349962 429657 1158039

Rows where the models differ are highlighted.