EnergyLabelEU
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Costs for 0.283 €/kWh · Eurostat 2026 H1

Monitors · 86″ · 3840×2160 · LED LCD

Legamaster STX-8650

D

Uses less electricity than 5% of the 173 monitors, 65″ and over on the EU register. At your selected price (European Union) that is €109 a year, €1,091 over ten years.

Power, SDR
264.0 W
Typical 124 W
Running cost
€109 / year
4 h a day
Power, HDR
264.0 W
1.0× SDR

Uses more than most comparable models: 95 % of them need less. Data Modul DM86WIPCS858-0-C-0-DM-B01, the most efficient alternative on sale, saves about €78 a year. Only 13% of comparable models have a better class than D. On-mode power in SDR is 264.0 W; the typical screen of this size draws 124.0 W. Legamaster has 36 models in this group; this one is number 33 among them. On the register since 2021 and still on sale.

Where it stands

Rank 163 of 173 monitors, 65″ and over by yearly consumption. 162 use less.

Median 181 This model · 385 10 675 kWh ← uses less · uses more →

Next to it in the ranking

  1. G Innex EU75 U2R175ZI0 365 kWh −€5.78
  2. G Dahua DHI-LDV75-HAI400L 365 kWh −€5.78
  3. D Legamaster STX-8650 385 kWh
  4. D Legamaster SUP-8500 387 kWh +€0.42
  5. F ViewSonic VS20771(CDE98G3/CDE98G3-1C) 399 kWh +€3.85
See the full ranking

What it will cost you

Period STX-8650 DM86WIPCS858-0-C-0-DM-B01 Difference
1 year €109 €31 −€78
5 years €546 €155 −€391
10 years €1,091 €310 −€781
15 years €1,637 €465 −€1,172

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 264.0 W
HDR 264.0 W
Group median, SDR 124.0 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 193 €55
4 hours a day 385 €109
8 hours a day 771 €218

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
D Legamaster STX-8650 (this model)
86″264.0 385 — —
86″75.0 110 €78 €781
86″85.0 124 €74 €740
86″105.0 153 €66 €657
85″113.0 165 €62 €624
85″113.0 165 €62 €624

Label and product sheet

Energy class SDR / HDR
D / D
On-mode power SDR
264.0 W
On-mode power HDR
264.0 W
Standby / networked standby
0.5 W / 0.5 W
Screen diagonal
86″
Resolution
3840×2160
Panel
LED LCD
Refresh rate
60 Hz
Spare parts (minimum)
7 years

Model numbers and history

Registered by Legamaster under one model number.

STX-8650

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

Questions

How much does the Legamaster STX-8650 cost to run?

At 4 hours a day it uses about 385 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €109 a year, or €1,091 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 264.0 W instead of 264.0 W, 1.0 times as much. The yearly cost on this page uses SDR, as the label does.