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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.

  • Gamepower RAPID Q-MAX €7.75
  • Cepter C27ESPORTP4 €9.92
  • Rampage PRIME PR27F300QH €11.41
Model Gamepower RAPID Q-MAX Cepter C27ESPORTP4 Rampage PRIME PR27F300QH
Running cost
Running cost (per year) €7.75 €9.92 €11.41
over 10 years €78 €99 +€22 over 10 years €114 +€37 over 10 years
kWh per year 27.4 35 40.3
kg CO₂e per year from electricity use 5.7 7.4 8.5
Specifications
Brand Gamepower Cepter Rampage
Model RAPID Q-MAX C27ESPORTP4 PRIME PR27F300QH
Energy class E D E
Screen size 27″ (68.6 cm) 27″ (69 cm) 27″ (69 cm)
Power in on mode (SDR) 12.5 W 16 W 18.4 W
Standby 0.3 W 0.2 W 0.2 W
Networked standby 0.4 W – 0 W
Off mode 0.3 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 LCD
Refresh rate 300 Hz 240 Hz 300 Hz
Power supply External External External
On the market since December 27, 2024 July 20, 2026 June 5, 2025
EPREL registration number 2231840 2732628 2379796
Energy class (HDR) – F E
Power in on mode (HDR) – 22 W 18.5 W
Guaranteed support – 7 years 1 year
Software updates – 7 years 1 year
Spare parts available – 7 years 1 year

Rows where the models differ are highlighted.