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4 TVs side by side.

4 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.
  • LG

    OLED77B48LA
    F 77″4KOLED120 Hz

    €50.44 per year

    +€14.35 a year

  • Cheapest to run

    LG

    OLED77C61LA
    D 77″4KOLED120 Hz

    €36.10 per year

  • LG

    OLED77G61LW
    E 77″4KOLED120 Hz

    €38.33 per year

    +€2.23 a year

  • LG

    OLED77G51LW
    E 77″4KOLED120 Hz

    €41.76 per year

    +€5.66 a year

Yearly running cost

Bars in proportion to the energy each model uses.

  • LG OLED77B48LA €50.44
  • LG OLED77C61LA €36.10
  • LG OLED77G61LW €38.33
  • LG OLED77G51LW €41.76
Model LG OLED77B48LA LG OLED77C61LA LG OLED77G61LW LG OLED77G51LW
Running cost
Running cost (per year) €50.44 €36.10 €38.33 €41.76
over 10 years €504 +€143 over 10 years €361 €383 +€22 over 10 years €418 +€57 over 10 years
kWh per year 178 127 135 147
kg CO₂e per year from electricity use 37 27 28 31
Specifications
Brand LG LG LG LG
Model OLED77B48LA OLED77C61LA OLED77G61LW OLED77G51LW
Energy class F D E E
Screen size 77″ (194.7 cm) 77″ (194.7 cm) 77″ (194.7 cm) 77″ (194.7 cm)
Power in on mode (SDR) 122 W 87.3 W 92.7 W 101 W
Energy class (HDR) G G G G
Power in on mode (HDR) 221 W 260 W 334 W 299 W
Standby 0.5 W 0.5 W 0.5 W 0.5 W
Networked standby 2 W 2 W 2 W 2 W
Resolution 3840 × 2160 3840 × 2160 3840 × 2160 3840 × 2160
Aspect ratio 16:9 16:9 16:9 16:9
Panel OLED OLED OLED OLED
Refresh rate 120 Hz 120 Hz 120 Hz 120 Hz
Power supply Internal Internal Internal Internal
Guaranteed support 8 years 8 years 8 years 8 years
Software updates 8 years 8 years 8 years 8 years
Spare parts available 8 years 8 years 8 years 8 years
On the market since February 6, 2024 March 20, 2026 March 20, 2026 January 17, 2025
EPREL registration number 1889509 2593880 2641691 2244914

Rows where the models differ are highlighted.