How Much Electricity Does a High Refresh Rate Gaming Monitor Use in a Year?

A high refresh rate gaming monitor usually costs less than many players expect: often around $10 to $40 per year for the display alone with daily use, unless it is a large HDR, OLED, Mini-LED, or ultrawide model. The bigger hidden cost can be the PC, because some GPUs draw much more power when driven at very high refresh rates on the desktop or in uncapped games.

Your monitor looks harmless sitting on the desk, but an eight-hour gaming-and-work setup can quietly add to the electric bill. Real measurements show that raising refresh rate may add only about 1 W at the monitor in some cases, while a GPU can jump by roughly 57 W when it leaves a low-power idle state. Here is how to estimate the yearly cost, decide whether high Hz is worth it, and reduce waste without making games feel worse.

What Actually Uses Power in a Gaming Monitor?

A high refresh rate display does not use electricity in one simple way. The largest steady load on many LCD and LED gaming monitors is the backlight, while the scaler, display processor, overdrive behavior, adaptive sync logic, and panel electronics add smaller amounts depending on the model and mode. That is why a 240Hz or 360Hz monitor at moderate brightness can sometimes use less power than a lower-refresh monitor running in a bright HDR-style picture mode.

The common mistake is treating refresh rate as the only variable. In one 34-inch ultrawide example, the display increased from 20 W at 60Hz to 24.3 W at 144Hz in a dim Standard mode, but the same monitor rose to 57.2 W in a brighter Movie mode. That makes brightness and image mode a bigger practical lever than refresh rate for many buyers comparing gaming monitors.

The Main Power Buckets

Most gaming display power use falls into four buckets:

• Panel and backlight: Usually the biggest factor for LCD and LED monitors, especially on large 32-inch, 34-inch, and ultrawide screens.
• Refresh rate and processing: Higher Hz can add power through timing electronics, overdrive, adaptive sync behavior, and signal processing.
• Brightness, HDR, and local dimming: Bright modes and HDR presets can raise draw sharply, especially on Mini-LED and high-brightness monitors.
• The PC or console driving the display: A high refresh monitor can encourage higher frame rates, which may increase GPU power far more than the monitor itself.

For perspective, standard 24-inch LED or IPS monitors are often in the 15 W to 30 W range, while more demanding gaming monitors may sit around 40 W to 80 W or more depending on brightness, resolution, panel type, and refresh rate. Very high-end 4K, OLED, and Mini-LED gaming monitors can go much higher under bright or HDR-heavy use.

Does Higher Refresh Rate Directly Raise Electricity Use?

Higher refresh rate can raise monitor power, but the increase is often modest on the display side. A test cited for a 27-inch gaming monitor found that the monitor itself drew 22.1 W at 60Hz, while higher refresh behavior added only about 1 W in the tested range; the bigger issue was that total system idle power jumped when the GPU changed clock states third-party test.

That distinction matters for real desks. If a 144Hz, 240Hz, or 360Hz monitor adds 1 W to 5 W at the panel, the yearly display-only cost is small. If the GPU draws an extra 50 W because the desktop, game menu, lobby, or older esports title runs uncapped at hundreds of frames per second, the yearly cost becomes noticeably larger.

The GPU Can Be the Surprise

In the third-party test setup, system idle power was 73.7 W at 60Hz and nearly 134 W at 144Hz, while the monitor changed by only about 1 W. A monitoring utility showed one graphics card idling at 135 MHz through 120Hz, then jumping to 885 MHz at 144Hz; a different graphics card test behaved differently and rose only about 2 W at the system level, which shows why results vary by GPU, driver, monitor timing, and refresh setting.

For a modern gamer, the lesson is practical: do not assume the monitor spec sheet tells the whole story. Measure wall power if you can, or at least check whether your GPU clocks stay elevated on the desktop at 144Hz, 240Hz, 360Hz, or 500Hz. If the GPU sits in a higher power state all day, a lower desktop refresh setting can save more than changing the monitor’s Eco mode.

Yearly Electricity Cost Scenarios for Daily Use

Electricity cost is based on wattage, hours used, days used, and the price per kilowatt-hour. Household calculators commonly estimate energy cost by entering the appliance wattage, daily runtime, and local electric rate; appliance ratings can reflect maximum demand rather than typical use, so measured wattage is better when available electricity usage calculator.

The table below uses a simple daily-use scenario: 8 hours per day, 365 days per year, and $0.16 per kWh. That rate is only an example, so substitute your own local rate from your electric bill.

A useful real-world comparison is that an extra 50 W for 8 hours per day adds 0.4 kWh daily, or about $23 per year at $0.16/kWh extra 50 W estimate. That is not huge for one desk, but it is enough to matter if you run a high-refresh setup every day, leave displays awake overnight, or keep multiple monitors active.

Brightness, HDR, Size, and Panel Type Often Matter More Than Hz

A 34-inch ultrawide at 144Hz can use only modestly more power than at 60Hz when brightness is restrained, but the same screen can draw far more in a bright movie or HDR-style mode. One example rose from 20 W in a dim Standard mode to 57.2 W in a brighter Movie mode, which is a much larger jump than the 60Hz-to-144Hz difference in that test brightness and HDR-style modes.

Screen size also matters because larger panels need more illuminated area. A 24-inch esports monitor, a 27-inch 1440p display, a 34-inch ultrawide, and a 32-inch 4K Mini-LED monitor are not comparable just because they all support high refresh. The large screen may draw more at 120Hz than the smaller esports panel draws at 240Hz.

OLED and Mini-LED Have Different Behavior

OLED gaming monitors can be efficient with dark interfaces because black pixels use very little power, but bright white desktop windows, web pages, and HDR scenes can raise consumption. Mini-LED monitors can deliver excellent HDR impact, but local dimming zones and high peak brightness may push power much higher than a basic IPS monitor.

For buyers, this means panel choice should match actual use. A competitive player who spends most time in esports titles may prioritize a 24-inch or 27-inch high-Hz IPS or OLED panel with moderate brightness. A cinematic gamer choosing a 32-inch 4K HDR or 34-inch ultrawide monitor should budget for higher draw, especially if HDR is left on for desktop use.

Adaptive Sync, FPS Caps, and Console Setups

Adaptive sync usually adds little direct monitor power on modern LCD and LED gaming displays because the backlight remains the main steady load adaptive sync power. Leaving VRR on for gaming is usually the right choice because it improves frame pacing and reduces tearing without necessarily making the monitor itself much more expensive to run.

The more important control is the frame-rate target. A 360Hz or 500Hz display can encourage the GPU to render hundreds of frames per second in menus, lobbies, older games, or esports titles where the hardware is not fully challenged. Capping FPS near the useful VRR range, such as slightly below the monitor’s maximum refresh rate, can reduce unnecessary GPU load while preserving smooth play.

Consoles Add Their Own Draw

If you use a gaming monitor with a console, include the console in your desk-level estimate. Active game console use is often estimated around 90 W on average, while newer systems can range much higher in demanding 4K or ray-traced games game console electricity use. A console plus a 30 W monitor is a very different bill from the monitor alone.

For example, a 30 W gaming monitor used with a 90 W console is a 120 W active setup before speakers, charging docks, or bias lighting. At 3 hours per day, that setup uses about 131 kWh per year, or about $21 per year at $0.16 per kWh. The monitor is part of the cost, but the gaming device often contributes more.

How to Estimate Your Own Monitor’s Annual Cost

The most accurate method is to use a plug-in wall power meter and test your monitor in the modes you actually use. Check desktop brightness, SDR gaming, HDR gaming, 60Hz, 144Hz, 240Hz or higher, and standby. If your PC is connected, measure both the monitor alone and the whole desk so you can separate display draw from GPU behavior.

If you do not have a meter, start with the monitor’s typical power rating instead of the maximum rating. Then multiply the wattage by daily hours and days per year, convert to kWh, and apply your electric rate. A 30 W monitor used 8 hours per day for a year uses 87.6 kWh; at $0.16 per kWh, that is about $14.02 per year.

A Practical Home Desk Check

Use these three readings if you have a wall meter:

• Monitor-only desktop: Measure the display at your normal brightness and refresh rate.
• Whole-system idle: Measure the PC and monitor at 60Hz, then again at your preferred high refresh rate.
• Real gaming load: Measure a typical game with FPS uncapped, then again with an FPS cap or VRR-friendly limit.

This test separates the buying decision from the setup decision. If the monitor rises by 3 W but the PC rises by 50 W, lowering brightness will help a little, but frame caps and desktop refresh settings will do more. If the monitor itself rises sharply in HDR mode, then SDR desktop use, lower brightness, or a different picture preset may be the better fix.

How to Cut Electricity Use Without Making Games Look Worse

The easiest win is brightness. Many gaming monitors ship in bright showroom-like modes that look punchy but are excessive for a bedroom or apartment desk at night. Lowering brightness to a comfortable level can cut monitor draw while improving eye comfort, especially for productivity, browsing, and strategy games where maximum brightness adds little.

The second win is matching refresh rate to the task. Use 240Hz, 360Hz, or 500Hz where it helps: competitive shooters, fast racing games, rhythm games, and other motion-sensitive titles. For desktop work, streaming, turn-based games, or controller-based RPGs, a lower refresh setting may look nearly identical while allowing the GPU to stay in a lower-power state.

Buying Guidance for Efficient High Refresh Setups

When shopping for a gaming monitor, compare typical power, not only maximum brightness and peak HDR claims. A 27-inch 1440p 165Hz to 240Hz monitor at moderate brightness is often a balanced efficiency choice. A 34-inch ultrawide, 32-inch 4K high-refresh display, or Mini-LED HDR monitor can be worth it for immersion, but expect higher power draw because the panel area, resolution, backlight system, and processing load all increase.

Also check sleep behavior. A monitor that quickly enters standby when the PC sleeps may draw only a small amount, while a display left awake on a bright desktop all night wastes far more than the difference between 144Hz and 165Hz during actual play. For multi-monitor desks, turn off the secondary display during full-screen gaming if it is not needed.

Practical Next Steps

Start with the settings that affect both cost and daily comfort: set brightness manually, avoid leaving HDR enabled for normal desktop use unless it looks correct on your monitor, and enable sleep after a short idle period. Then test refresh behavior by checking whether your GPU clocks stay high at your chosen desktop refresh rate.

For most gamers, the right answer is not “avoid high refresh.” It is “use high refresh intentionally.” Keep VRR on, cap FPS where it makes sense, run the desktop at a refresh rate that does not trigger wasteful GPU behavior, and choose a monitor size and panel type that fit how you actually play.

FAQ

Q: Does a 144Hz, 240Hz, or 360Hz monitor always use much more electricity than a 60Hz monitor?

A: No. The monitor itself may use only a little more power at a higher refresh rate, sometimes just a few watts or less depending on the model. The bigger increase can come from the GPU if the higher refresh rate prevents it from staying in a low-power state or if games run uncapped at very high FPS.

Q: Is an ultrawide gaming monitor expensive to run every day?

A: It can cost more than a smaller monitor, but it is usually not extreme unless brightness, HDR, or panel technology pushes wattage high. A 50 W ultrawide used 8 hours per day costs about $23 per year at $0.16 per kWh, while an 80 W premium HDR display costs about $37 per year under the same schedule.

Q: Should I lower refresh rate to save power?

A: Lower it only where it does not hurt the experience. For competitive gaming, high refresh is often worth keeping. For desktop work, web browsing, video streaming, and slower games, dropping from maximum Hz to a moderate setting may reduce GPU power without a meaningful visual tradeoff.

References

• KTC, Adaptive Sync Power Consumption: What Gamers Should Know
• KTC, 360Hz+ Monitor Power Consumption: The Unexpected GPU Cost
• KTC, 360Hz+ Monitor Power Consumption: The Unexpected GPU Cost
• Calculator.net, Electricity Calculator
• PC Perspective, Testing GPU Power Draw at Increased Refresh Rates using the ASUS PG279Q
• Energy Use Calculator, Electricity Usage of a Game Console