Language

Compare models

3 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.

Yearly running cost

Bars in proportion to the energy each model uses.

  • Gaba GL-2705QHD €13.02
  • Cepter C27ESPORTP4 €9.92
  • Ozone OZON G2790 QHD €11.29
Model Gaba GL-2705QHD Cepter C27ESPORTP4 Ozone OZON G2790 QHD
Running cost
Running cost (per year) €13.02 €9.92 €11.29
over 10 years €130 +€31 over 10 years €99 €113 +€14 over 10 years
kWh per year 46 35 39.9
kg CO₂e per year from electricity use 9.7 7.4 8.4
Specifications
Brand Gaba Cepter Ozone
Model GL-2705QHD C27ESPORTP4 OZON G2790 QHD
Energy class E D E
Screen size 27″ (68.5 cm) 27″ (69 cm) 27″ (68.6 cm)
Power in on mode (SDR) 21 W 16 W 18.2 W
Standby 0.5 W 0.2 W 0.3 W
Networked standby 0 W – 0 W
Off mode 0 W 0.2 W 0.2 W
Resolution 2560 × 1440 2560 × 1440 2560 × 1440
Aspect ratio 16:9 16:9 16:9
Panel LCD OLED LED LCD
Refresh rate 165 Hz 240 Hz 180 Hz
Power supply External External External
On the market since March 17, 2021 July 20, 2026 August 22, 2025
EPREL registration number 519615 2732628 2451289
Energy class (HDR) – F –
Power in on mode (HDR) – 22 W –
Guaranteed support – 7 years 6 years
Software updates – 7 years 6 years
Spare parts available – 7 years 6 years

Rows where the models differ are highlighted.