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

TVs · 77″ · 3840×2160 · OLED

Sony K-77A65

F

Uses less electricity than 32% of the 5,642 TVs, 65″ and over on the EU register. At your selected price (European Union) that is €49 a year, €492 over ten years.

Power, SDR
119.0 W
Typical 107 W
Running cost
€49 / year
4 h a day
Power, HDR
122.0 W
1.0× SDR

Near the middle of its group: 11 % above the typical 156 kWh. 44% of comparable models reach a better class than F; the most common is E. On-mode power in SDR is 119.0 W; the typical screen of this size draws 107.0 W. Sony has 80 models in this group; this one is number 64 among them. Sony sells the same label values under other model names: K-77A62, K-77A69. Registered in Aug 2026, one of the newer models in its group.

Where it stands

Rank 3,769 of 5,642 TVs, 65″ and over by yearly consumption. 3,768 use less.

Median 156 This model · 174 45 535 kWh ← uses less · uses more →

Next to it in the ranking

  1. G LG 65NANO917NA 172 kWh −€0.40
  2. F Sony K-77A62 174 kWh same
  3. F Sony K-77A65 174 kWh
  4. F Sony K-77A69 174 kWh same
  5. F Grundig 75 GIQ 8950B EM3T00 174 kWh same
See the full ranking

What it will cost you

Period K-77A65 OLED77C61LA Difference
1 year €49 €36 −€13
5 years €246 €181 −€65
10 years €492 €361 −€131
15 years €738 €542 −€196

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 119.0 W
HDR 122.0 W
Group median, SDR 107.0 W

Cost by viewing time

Use kWh / yr € / yr
2 hours a day 87 €25
4 hours a day 174 €49
8 hours a day 347 €98

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 Sony K-77A65 (this model)
77″119.0 174 — —
77″87.3 128 €13 €131
77″87.3 128 €13 €131
77″87.3 128 €13 €131
77″87.3 128 €13 €131
77″87.3 128 €13 €131

Label and product sheet

Energy class SDR / HDR
F / F
On-mode power SDR
119.0 W
On-mode power HDR
122.0 W
Standby / networked standby
0.5 W / 2.0 W
Screen diagonal
77″
Resolution
3840×2160
Panel
OLED
Refresh rate
120 Hz
Software updates (minimum)
8 years
Guarantee (supplier)
2 years
Spare parts (minimum)
7 years

Model numbers and history

Registered by Sony under one model number.

K-77A65

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

Questions

How much does the Sony K-77A65 cost to run?

At 4 hours a day it uses about 174 kWh a year according to its EU energy label. At the EU average household price of 0.283 €/kWh that is about €49 a year, or €492 over ten years.

Does HDR use more electricity?

Yes. In HDR mode this screen draws 122.0 W instead of 119.0 W, 1.0 times as much. The yearly cost on this page uses SDR, as the label does.