EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 86″ · 3840×2160 · LED LCD

Legamaster ETX-8640

C

Uses less electricity than 32% of the 173 monitors, 65″ and over on the EU register. At your selected price (European Union) that is €61 a year, €608 over ten years.

Power, SDR
147.0 W
Typical 124 W
Running cost
€61 / year
4 h a day

Near the middle of its group: 19 % above the typical 181 kWh. Only 4% of comparable models have a better class than C. On-mode power in SDR is 147.0 W; the typical screen of this size draws 124.0 W. Legamaster has 36 models in this group; this one is number 22 among them.

Where it stands

Rank 115 of 173 monitors, 65″ and over by yearly consumption. 114 use less.

Median 181 This model · 215 10 675 kWh ← uses less · uses more →

Next to it in the ranking

  1. E Ernitec 0070-24186 211 kWh −€0.93
  2. F GZ Leangle KX-LE** 212 kWh −€0.82
  3. C Legamaster ETX-8640 215 kWh
  4. G Swedx LED75UD18N 215 kWh same
  5. F Jiangxi Yichuang Electronic YC850 216 kWh +€0.42
See the full ranking

What it will cost you

Period ETX-8640 DM86WIPCS858-0-C-0-DM-B01 Difference
1 year €61 €31 −€30
5 years €304 €155 −€149
10 years €608 €310 −€298
15 years €912 €465 −€446

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

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 107 €30
4 hours a day 215 €61
8 hours a day 429 €122

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
C Legamaster ETX-8640 (this model)
86″147.0 215 — —
86″75.0 110 €30 €298
86″85.0 124 €26 €256
86″105.0 153 €17 €174
85″113.0 165 €14 €140
85″113.0 165 €14 €140

Label and product sheet

Energy class SDR / HDR
C / –
On-mode power SDR
147.0 W
Standby / networked standby
0.5 W / 0.5 W
Screen diagonal
86″
Resolution
3840×2160
Panel
LED LCD
Refresh rate
60 Hz
Software updates (minimum)
6 years
Guarantee (supplier)
5 years
Spare parts (minimum)
8 years

Model numbers and history

Registered by Legamaster under one model number.

ETX-8640

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

Questions

How much does the Legamaster ETX-8640 cost to run?

At 4 hours a day it uses about 215 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €61 a year, or €608 over ten years.