EnergyLabelEU
EN
Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 34″ · 3440×1440 · LED LCD

iiyama GCB3484WQSU-B2

F

Uses less electricity than 50% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €13 a year, €130 over ten years.

Power, SDR
31.4 W
Typical 31 W
Running cost
€13 / year
4 h a day
Power, HDR
50.8 W
1.6× SDR

Right at the typical consumption of its group, 46 kWh a year. Class F is the most common class in this group (51% of models). In HDR it draws 50.8 W, 1.6 times its SDR power. iiyama has 28 models in this group; this one is number 15 among them.

Where it stands

Rank 724 of 1,482 monitors, 32–42″ by yearly consumption. 723 use less.

Median 46 This model · 46 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. F iiyama XCB3492WQSNP-B1 46 kWh same
  2. F iiyama XCB3492WQSNPH-B1 46 kWh same
  3. F iiyama GCB3484WQSU-B2 46 kWh
  4. F BenQ MA320UG 46 kWh same
  5. F CronusPro Q34C45 46 kWh same
See the full ranking

What it will cost you

Period GCB3484WQSU-B2 LX34 ZA Difference
1 year €13 €2 −€11
5 years €65 €12 −€53
10 years €130 €24 −€106
15 years €195 €35 −€159

Is the more efficient model worth its price?

Years of use

Enter both purchase prices to see the total cost of ownership.

Power in SDR and HDR

SDR 31.4 W
HDR 50.8 W
Group median, SDR 31.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 23 €6
4 hours a day 46 €13
8 hours a day 92 €26

Same size, lower running cost

On sale, at least 10% less energy, same size group

Model SizeSDR W kWh / yr Saves / year in 10 years
F iiyama GCB3484WQSU-B2 (this model)
34″31.4 46 — —
34″5.7 8 €11 €106
34″5.7 8 €11 €106
34″8.0 12 €10 €97
34″15.9 23 €6 €64
34″20.0 29 €5 €47

Label and product sheet

Energy class SDR / HDR
F / G
On-mode power SDR
31.4 W
On-mode power HDR
50.8 W
Standby / networked standby
0.4 W
Screen diagonal
34″
Resolution
3440×1440
Panel
LED LCD
Refresh rate
60 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
3 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by iiyama under one model number.

GCB3484WQSU-B2

  1. First published in the EU register (EPREL)
  2. Placed on the EU market

Questions

How much does the iiyama GCB3484WQSU-B2 cost to run?

At 4 hours a day it uses about 46 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €13 a year, or €130 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 50.8 W instead of 31.4 W, 1.6 times as much. The yearly cost on this page uses SDR, as the label does.