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2 TVs side by side.

4 h a day
  • Electricity at €0.2896 per kWh (household price with taxes, Eurostat 2025-S2).
  • 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.

  • Panasonic TX-40HX820B €20.30
  • Luxor LFHD40HDR10 €15.64
Model Panasonic TX-40HX820B Luxor LFHD40HDR10
Running cost
Running cost (per year) €20.30 €15.64
over 10 years €203 +€47 over 10 years €156
kWh per year 70.1 54
kg CO₂e per year from electricity use 15 11
Specifications
Brand Panasonic Luxor
Model TX-40HX820B LFHD40HDR10
Energy class G E
Screen size 40″ (100 cm) 40″ (100.3 cm)
Power in on mode (SDR) 48 W 37 W
Energy class (HDR) G G
Power in on mode (HDR) 71 W 75 W
Standby 0.5 W 0.5 W
Networked standby 1 W 2 W
Off mode 0.3 W 0.5 W
Resolution 3840 × 2160 3840 × 2160
Aspect ratio 16:9 16:9
Panel LCD LED LCD
Refresh rate 50 Hz 50 Hz
Power supply Internal Internal
Guaranteed support 7 years 2 years
Software updates 8 years 2 years
Spare parts available 7 years –
On the market since April 2, 2020 December 30, 2022
EPREL registration number 338545 1372328

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