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iiyama GB2791QSU-B1

  • Monitors
  • 27″
  • QHD
  • LCD / LED

Running cost

€14.57 per year

€146 over 10 years

EU average, 6 h a day

Uses 5% more energy than the average for 27-inch monitors on Wattabill (3150 models).

Running cost at a glance

  • €14.57 per year
  • €146 over 10 years
  • 51.5 kWh per year
  • 11 kg CO₂e per year from electricity use
This model
Average for 27-inch monitors (3150)

Your country and usage

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.

We assume prices stay the same over the years.

Same size and resolution, cheaper to run

Models on the market with the same screen size and resolution as the iiyama GB2791QSU-B1 that use at least 5% less energy.

Compare them side by side

About this model

Text from the manufacturer, via Icecat.

Control the game with the 320Hz GB2791QSU Gold Phoenix

The Gold Phoenix is the ultimate monitor choice allowing you to exceed your gaming potential. Packed with the latest technologies, including FreeSync Premium, the 27 inch Gold Phoenix features a 320Hz refresh rate and a stunning 0.6ms MPRT response time, making sure your equipment will never hold you back.

Fast IPS panel technology guarantees superb image quality, and the ability to adjust brightness and the dark shades with the Black Tuner delivers greater viewing performance in shadowed areas. To ensure comfort during marathon gaming sessions, you can easily adjust the screen position to your preferences thanks to the height adjustable stand.

Specifications

Brandiiyama
ModelGB2791QSU-B1
Energy classF
Screen size27″ (68.5 cm)
Power in on mode (SDR)23.5 W
Energy class (HDR)G
Power in on mode (HDR)39.7 W
Standby0.4 W
Off mode0.3 W
Resolution2560 × 1440
Aspect ratio16:9
PanelLED LCD
Refresh rate60 Hz
Power supplyInternal
Guaranteed support7 years
Software updates8 years
Spare parts available7 years
On the market sinceOctober 20, 2025
EPREL registration number2472929

Source: EPREL, European Commission. Data updated October 13, 2026.

Product description and images: Icecat (Open Icecat), provided as is, without warranty.