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

Monitors · 34″ · 3440×1440 · LCD

Crua CR340QC

F

Uses less electricity than 68% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €12 a year, €124 over ten years.

Power, SDR
30.1 W
Typical 31 W
Running cost
€12 / year
4 h a day
Power, HDR
33.9 W
1.1× SDR

Near the middle of its group: 4 % below the typical 46 kWh. Class F is the most common class in this group (51% of models). On-mode power in SDR is 30.1 W; the typical screen of this size draws 31.5 W. Crua has 16 models in this group; this one is number 11 among them.

Where it stands

Rank 467 of 1,482 monitors, 32–42″ by yearly consumption. 466 use less.

Median 46 This model · 44 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. F Samsung S32BG650EU 44 kWh −€0.03
  2. F Gigabyte G34WQC A 44 kWh −€0.03
  3. F Crua CR340QC 44 kWh
  4. F iiyama GB3290QSU-B1 44 kWh same
  5. F ViewSonic VS17797(VX3276-4K-mhd) 44 kWh same
See the full ranking

What it will cost you

Period CR340QC LX34 ZA Difference
1 year €12 €2 −€10
5 years €62 €12 −€50
10 years €124 €24 −€101
15 years €186 €35 −€151

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 30.1 W
HDR 33.9 W
Group median, SDR 31.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 22 €6
4 hours a day 44 €12
8 hours a day 88 €25

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 Crua CR340QC (this model)
34″30.1 44 — —
34″5.7 8 €10 €101
34″5.7 8 €10 €101
34″8.0 12 €9 €91
34″15.9 23 €6 €59
34″20.0 29 €4 €42

Label and product sheet

Energy class SDR / HDR
F / G
On-mode power SDR
30.1 W
On-mode power HDR
33.9 W
Standby / networked standby
0.2 W / 0.0 W
Screen diagonal
34″
Resolution
3440×1440
Panel
LCD
Refresh rate
100 Hz
Spare parts (minimum)
7 years

Model numbers and history

Registered by Crua under one model number.

CR340QC

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

Questions

How much does the Crua CR340QC cost to run?

At 4 hours a day it uses about 44 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €12 a year, or €124 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 33.9 W instead of 30.1 W, 1.1 times as much. The yearly cost on this page uses SDR, as the label does.