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2 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.

Yearly running cost

Bars in proportion to the energy each model uses.

  • Westpoint WWESU4521GSM €25.64
  • Tdsystems K45DLJ12US €23.57
Model Westpoint WWESU4521GSM Tdsystems K45DLJ12US
Running cost
Running cost (per year) €25.64 €23.57
over 10 years €256 +€21 over 10 years €236
kWh per year 90.5 83.2
kg CO₂e per year from electricity use 19 17
Specifications
Brand Westpoint Tdsystems
Model WWESU4521GSM K45DLJ12US
Energy class G G
Screen size 45″ (114 cm) 45″ (113 cm)
Power in on mode (SDR) 62 W 57 W
Energy class (HDR) G G
Power in on mode (HDR) 79 W 58 W
Standby 1 W 0.5 W
Networked standby 2 W –
Resolution 3840 × 2160 3840 × 2160
Aspect ratio 16:9 16:9
Panel LED LCD LED LCD
Refresh rate 60 Hz 60 Hz
Power supply Internal Internal
On the market since August 30, 2021 October 1, 2020
EAN 3509511346357 –
EPREL registration number 703249 490172
Off mode – 0 W

Rows where the models differ are highlighted.