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

TVs · 50″ · 3840×2160 · LCD

Panasonic TX-50JX870B

G

Uses less electricity than 4% of the 5,712 TVs, 43–54″ on the EU register. At your selected price (European Union) that is €31 a year, €306 over ten years.

Power, SDR
74.0 W
Typical 54 W
Running cost
€31 / year
4 h a day
Power, HDR
103.0 W
1.4× SDR

Uses more than most comparable models: 96 % of them need less. Topmax TM500K2, the most efficient alternative on sale, saves about €24 a year. 65% of comparable models reach a better class than G; the most common is F. In HDR it draws 103.0 W, 1.4 times its SDR power. Panasonic has 302 models in this group; this one is number 270 among them. Panasonic sells the same label values under other model names: TX-50JX850B, TX-50JXF887, TX-50JXT886 and 2 more. On the register since 2021 and still on sale.

Where it stands

Rank 5,416 of 5,712 TVs, 43–54″ by yearly consumption. 5,415 use less.

Median 79 This model · 108 10 160 kWh ← uses less · uses more →

Next to it in the ranking

  1. G Metz Taris 43TY84 UHD twin R 108 kWh same
  2. G Panasonic TX-50JX850B 108 kWh same
  3. G Panasonic TX-50JX870B 108 kWh
  4. G Panasonic TX-50JXF887 108 kWh same
  5. G Panasonic TX-50JXT886 108 kWh same
See the full ranking

What it will cost you

Period TX-50JX870B TM500K2 Difference
1 year €31 €6 −€24
5 years €153 €31 −€122
10 years €306 €62 −€244
15 years €459 €93 −€366

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 74.0 W
HDR 103.0 W
Group median, SDR 54.0 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 54 €15
4 hours a day 108 €31
8 hours a day 216 €61

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
G Panasonic TX-50JX870B (this model)
50″74.0 108 — —
50″15.0 22 €24 €244
50″36.0 53 €16 €157
50″36.0 53 €16 €157
50″36.0 53 €16 €157
50″36.0 53 €16 €157

Label and product sheet

Energy class SDR / HDR
G / G
On-mode power SDR
74.0 W
On-mode power HDR
103.0 W
Standby / networked standby
0.5 W / 1.0 W
Screen diagonal
50″
Resolution
3840×2160
Panel
LCD
Refresh rate
50 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
1 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by Panasonic under one model number.

TX-50JX870B

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

Questions

How much does the Panasonic TX-50JX870B cost to run?

At 4 hours a day it uses about 108 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €31 a year, or €306 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 103.0 W instead of 74.0 W, 1.4 times as much. The yearly cost on this page uses SDR, as the label does.