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

Monitors · 39″ · 3440×1440 · OLED

Acer X39

F

Uses less electricity than 9% of the 1,482 monitors, 32–42″ on the EU register. At your selected price (European Union) that is €16 a year, €157 over ten years.

Power, SDR
38.0 W
Typical 31 W
Running cost
€16 / year
4 h a day
Power, HDR
34.0 W
0.9× SDR

Uses more than most comparable models: 91 % of them need less. ShenzhenGuoruitongTechnologyCoLtd G156F, the most efficient alternative on sale, saves about €13 a year. Class F is the most common class in this group (51% of models). On-mode power in SDR is 38.0 W; the typical screen of this size draws 31.5 W. Acer has 122 models in this group; this one is number 117 among them.

Where it stands

Rank 1,333 of 1,482 monitors, 32–42″ by yearly consumption. 1,332 use less.

Median 46 This model · 56 5 135 kWh ← uses less · uses more →

Next to it in the ranking

  1. F Aurx E320A 56 kWh same
  2. G Dahua DHI-LM32-S200 56 kWh same
  3. F Acer X39 56 kWh
  4. G Odys XP 32 56 kWh same
  5. G Odys XP32 PRO 56 kWh same
See the full ranking

What it will cost you

Period X39 G156F Difference
1 year €16 €3 −€13
5 years €79 €13 −€66
10 years €157 €26 −€131
15 years €236 €39 −€197

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 38.0 W
HDR 34.0 W
Group median, SDR 31.5 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 28 €8
4 hours a day 55 €16
8 hours a day 111 €31

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 Acer X39 (this model)
39″38.0 56 — —
40″6.3 9 €13 €131
38″6.7 10 €13 €129
40″7.4 11 €13 €127
39″15.7 23 €9 €92
38″25.9 38 €5 €50

Label and product sheet

Energy class SDR / HDR
F / F
On-mode power SDR
38.0 W
On-mode power HDR
34.0 W
Standby / networked standby
0.5 W
Screen diagonal
39″
Resolution
3440×1440
Panel
OLED
Refresh rate
60 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
2 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by Acer under one model number.

X39

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

Questions

How much does the Acer X39 cost to run?

At 4 hours a day it uses about 56 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €16 a year, or €157 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 34.0 W instead of 38.0 W, 0.9 times as much. The yearly cost on this page uses SDR, as the label does.