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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.
  • KTC

    H27E22P
    E 27″Full HD280 Hz

    €13.02 per year

    +€5.40 a year

  • Cheapest to run

    James Donkey

    EPIC J60
    E 27″Full HDLCD / LED360 Hz

    €7.63 per year

  • Gamebooster

    LYRIS FF30
    D 27″Full HDLCD / LED300 Hz

    €10.42 per year

    +€2.79 a year

  • Gamebooster

    RUVIE FF30
    E 27″Full HDLCD / LED300 Hz

    €10.92 per year

    +€3.29 a year

Yearly running cost

Bars in proportion to the energy each model uses.

  • KTC H27E22P €13.02
  • James Donkey EPIC J60 €7.63
  • Gamebooster LYRIS FF30 €10.42
  • Gamebooster RUVIE FF30 €10.92
Model KTC H27E22P James Donkey EPIC J60 Gamebooster LYRIS FF30 Gamebooster RUVIE FF30
Running cost
Running cost (per year) €13.02 €7.63 €10.42 €10.92
over 10 years €130 +€54 over 10 years €76 €104 +€28 over 10 years €109 +€33 over 10 years
kWh per year 46 26.9 36.8 38.5
kg CO₂e per year from electricity use 9.7 5.7 7.7 8.1
Specifications
Brand KTC James Donkey Gamebooster Gamebooster
Model H27E22P EPIC J60 LYRIS FF30 RUVIE FF30
Energy class E E D E
Screen size 27″ (69 cm) 27″ (68.6 cm) 27″ (69 cm) 27″ (68.6 cm)
Power in on mode (SDR) 21 W 12.3 W 16.8 W 17.6 W
Energy class (HDR) G – D E
Power in on mode (HDR) 40 W – 16.9 W 23 W
Standby 0.2 W 0.4 W 0.2 W 0.2 W
Off mode 0.2 W 0 W 0.2 W 0.3 W
Resolution 1920 × 1080 1920 × 1080 1920 × 1080 1920 × 1080
Aspect ratio 16:9 16:9 16:9 16:9
Panel TFT-LCD LCD LCD LED LCD
Refresh rate 280 Hz 360 Hz 300 Hz 300 Hz
Power supply External External STANDARD EXTERNAL Internal
On the market since September 23, 2024 December 27, 2024 March 18, 2026 March 5, 2026
EPREL registration number 2151731 2231752 2664462 2652822
Networked standby – 0 W – 0 W
Guaranteed support – – 1 year –
Software updates – – 1 year –
Spare parts available – – 1 year –

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