Model
Samsung QN65S84FAE
Rank #108 means 107 of the 172 television models we track cost less to run each year; the 42nd efficiency percentile means it uses less energy for its size than 42% of those models.
What does the Samsung QN65S84FAE cost to run per year?
At $41 a year to run, the Samsung QN65S84FAE runs more expensively than most models in its class, ranking #108 of 172 television models we track. Its 42th size-adjusted efficiency percentile is unremarkable, close to what a typical model in the class scores. At 118.6 W in on-mode, its power draw is a direct input into that running-cost figure.
Immediately around it on the leaderboard, the Sansui LE-75VH5 at $41/yr runs a little cheaper and the Samsung QN65S90HAE at $41/yr runs a little more, a sense of how tightly models are packed at this point in the ranking. A television typically stays in service for somewhere around 7 years; over that span, the Samsung QN65S84FAE's $41/yr adds up to roughly $287 in electricity alone, before purchase price or repairs.
Also sold as: Samsung QN65S90HAE.
By the numbers
The Samsung QN65S84FAE normalized against its whole class, so each figure means something.
What it costs you over time
Running cost is an every-year number, so it compounds. At $41/yr, here is what the Samsung QN65S84FAE adds up to before purchase price, water, or repairs enter the math.
Left running for a decade at today's US average rate, the Samsung QN65S84FAE costs about $410. That is roughly $60 more than the class median, which would run closer to $350 over the same ten years.
How the Samsung QN65S84FAE compares
The television class we track runs from $3 to $117 a year. At $41/yr, it runs about $6 a year above the class median of $35, and it is about $38 a year more than the cheapest television to run at $3.
What drives its running cost
At 64.5 in, the Samsung QN65S84FAE is a mid-size television for its class, which spans 13.23 to 114.4 in with a median of 55 in, putting it squarely in the middle of the class on the size lever that drives most of the cost. 118.6 W is the on-mode draw behind this figure (the class spans 9.3 to 343.5 W); two otherwise similar TVs can differ here mostly on picture-mode defaults rather than panel technology.
- On-mode brightness. The picture mode you leave a TV on, vivid or eco, moves its real-world wattage more than almost anything else you control directly.
- Screen size. A bigger panel needs more backlight or more emissive pixels to reach the same brightness, so energy use climbs with diagonal screen size across most panel technologies.
- Hours of use. ENERGY STAR's on-mode wattage figure assumes a standard number of hours per day; a TV left on longer than that, or used as ambient background noise, accumulates more of that hourly cost.
Common questions
Is the Samsung QN65S84FAE cheap to run?
Not especially. At $41 a year it ranks #108 of 172 television models we track, in the pricier part of its class to run, though its size and features may still justify that for your needs.
How much does the Samsung QN65S84FAE cost per month?
Roughly $3.42/mo, spreading the $41/yr estimate evenly across twelve months at $0.1856/kWh. Actual monthly bills swing with your rate and usage pattern.
How is this running-cost figure calculated?
We take the model's published annual energy use of 221 kWh from ENERGY STAR and multiply it by the US average residential electricity rate of $0.1856/kWh, giving about $41 a year. It is an electricity-only estimate and does not include purchase price, water, or installation.
How efficient is the Samsung QN65S84FAE for its size?
42nd percentile once size is factored in. That means its size-adjusted efficiency is not the main reason for the running-cost figure above; its capacity plays a large role too.
Cheaper to run in the same class
| Rank | Model | Cost/yr |
|---|---|---|
| 107 | Sansui LE-75VH574.3 in | $41 |
| 106 | Lg OLED55G5***54.6 in | $40 |
| 105 | Rca 65D164.5 in | $40 |
| 104 | Lg 65QNED90TU*64.5 in | $40 |
| 103 | Samsung QN65S85FAF64.5 in | $40 |
Source
ES_1023593_QN65S84FAE_061220251234792_9582239View certified television listingsENERGY STAR data as of July 2026Samsung and QN65S84FAE are used here for identification only and are not endorsements. Figures are computed by WattWise Labs from public ENERGY STAR data, not measured in our own lab.