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

Monitors · 65″ · 3840×2160 · LED LCD

Legamaster STX-6550

D

Uses less electricity than 43% of the 173 monitors, 65″ and over on the EU register. At your selected price (European Union) that is €54 a year, €538 over ten years.

Power, SDR
130.0 W
Typical 124 W
Running cost
€54 / year
4 h a day
Power, HDR
130.0 W
1.0× SDR

Near the middle of its group: 5 % above the typical 181 kWh. Only 13% of comparable models have a better class than D. On-mode power in SDR is 130.0 W; the typical screen of this size draws 124.0 W. Legamaster has 36 models in this group; this one is number 17 among them. On the register since 2021 and still on sale.

Where it stands

Rank 94 of 173 monitors, 65″ and over by yearly consumption. 93 use less.

Median 181 This model · 190 10 675 kWh ← uses less · uses more →

Next to it in the ranking

  1. E Dahua DHI-LDH86-SAI400L 190 kWh same
  2. E Dahua LDH85-LAI400L 190 kWh same
  3. D Legamaster STX-6550 190 kWh
  4. G Innex EU65 U2R165ZI0 196 kWh +€1.64
  5. G Sylvox OT75A6KOEC 197 kWh +€1.90
See the full ranking

What it will cost you

Period STX-6550 FW-65BZ35P Difference
1 year €54 €28 −€26
5 years €269 €138 −€130
10 years €538 €277 −€261
15 years €806 €415 −€391

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 130.0 W
HDR 130.0 W
Group median, SDR 124.0 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 95 €27
4 hours a day 190 €54
8 hours a day 380 €108

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-6550 (this model)
65″130.0 190 — —
65″67.0 98 €26 €261
65″67.0 98 €26 €261
65″69.9 102 €25 €248
65″74.0 108 €23 €232
65″82.0 120 €20 €199

Label and product sheet

Energy class SDR / HDR
D / D
On-mode power SDR
130.0 W
On-mode power HDR
130.0 W
Standby / networked standby
0.5 W / 0.5 W
Screen diagonal
65″
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-6550

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

Questions

How much does the Legamaster STX-6550 cost to run?

At 4 hours a day it uses about 190 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €54 a year, or €538 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 130.0 W instead of 130.0 W, 1.0 times as much. The yearly cost on this page uses SDR, as the label does.