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4 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.
  • Dell

    P2425DE
    E 24″QHDLCD / LED

    €10.23 per year

    +€7.44 a year

  • AOC

    Q24B36X
    D 24″QHDLCD / LED

    €8.68 per year

    +€5.89 a year

  • Dell

    P2425D
    E 24″QHDLCD / LED

    €9.68 per year

    +€6.88 a year

  • Cheapest to run

    Mt-Viki

    MT-LDP2
    A 24″QHDLCD / LED180 Hz

    €2.79 per year

Yearly running cost

Bars in proportion to the energy each model uses.

  • Dell P2425DE €10.23
  • AOC Q24B36X €8.68
  • Dell P2425D €9.68
  • Mt-Viki MT-LDP2 €2.79
Model Dell P2425DE AOC Q24B36X Dell P2425D Mt-Viki MT-LDP2
Running cost
Running cost (per year) €10.23 €8.68 €9.68 €2.79
over 10 years €102 +€74 over 10 years €87 +€59 over 10 years €97 +€69 over 10 years €28
kWh per year 36.1 30.7 34.2 9.9
kg CO₂e per year from electricity use 7.6 6.4 7.2 2.1
Specifications
Brand Dell AOC Dell Mt-Viki
Model P2425DE Q24B36X P2425D MT-LDP2
Energy class E D E A
Screen size 24″ (60.5 cm) 24″ (60.4 cm) 24″ (60.5 cm) 24″ (60.4 cm)
Power in on mode (SDR) 16.5 W 14 W 15.6 W 4.5 W
Standby 0.3 W 0.5 W 0.3 W 0.2 W
Networked standby 0.6 W – – 0 W
Off mode 0.3 W 0.3 W 0.3 W 0.3 W
Resolution 2560 × 1440 2560 × 1440 2560 × 1440 2560 × 1440
Aspect ratio 16:9 16:9 16:9 16:9
Panel LED LCD LED LCD LED LCD LCD
Refresh rate 60 Hz 60 Hz 60 Hz 180 Hz
Power supply Internal External Internal Internal
Guaranteed support 7 years 8 years 7 years 7 years
Software updates 8 years 8 years 8 years 8 years
Spare parts available 7 years 7 years 7 years 7 years
On the market since March 6, 2025 November 15, 2025 March 6, 2025 June 16, 2025
EPREL registration number 2151603 2486294 2151579 2389938
Energy class (HDR) – G – A
Power in on mode (HDR) – 30 W – 4.5 W

Rows where the models differ are highlighted.