GeForce RTX 4090 power consumption and electricity cost
The GeForce RTX 4090 has a rated board power of 450 W. In games it typically draws about 382 W (range 270–450 W) Estimate. Paired with a Ryzen 7 7800X3D and played 3 hours a day, the whole PC costs about €21.71 a month in Germany.
| Rated board power | 450 W |
|---|---|
| Typical gaming draw | 382 W |
| Light to heavy gaming | 270–450 W |
| Idle (desktop) | about 22 W |
| Recommended PSU with a Ryzen 7 7800X3D | 850 W |
| Released | 2022 |
Gaming draw is estimated from the rated board power (60% / 85% / 100% for light, typical and heavy loads). Measured this card with a wall meter? Share it.
Monthly electricity cost by region
Whole PC: GeForce RTX 4090, Ryzen 7 7800X3D, 27″ 1440p monitor, 80 Plus Gold. 3 hours of gaming and 2 hours of other use a day.
| Region | Price per kWh | Per month | Per year |
|---|---|---|---|
| Germany | €0.362 | €21.71 | €260 |
| Italy | €0.314 | €18.85 | €226 |
| Spain | €0.251 | €15.05 | €181 |
| France | €0.249 | €14.91 | €179 |
| United Kingdom | £0.263 | £15.79 | £189 |
| Netherlands | €0.244 | €14.64 | €176 |
| Poland | PLN 1.321 | PLN 79.24 | PLN 950 |
| California | $0.298 | $17.85 | $214 |
| Texas | $0.159 | $9.55 | $114 |
| New York | $0.287 | $17.19 | $206 |
| Florida | $0.150 | $8.99 | $108 |
Power limit and undervolt savings
At 3 hours of gaming a day in Germany. Performance kept is approximate.
| Power limit | Gaming draw | Speed kept | Saved per year |
|---|---|---|---|
| 90% | 344 W | 98% | €16.82 |
| 80% | 306 W | 96% | €33.63 |
| 70% | 267 W | 93% | €50.45 |
Calculate with your own usage Upgrade payback Undervolt calculator
Similar graphics cards
- GeForce RTX 3080 Ti 350 W
- Radeon RX 7900 XTX 355 W
- GeForce RTX 5080 360 W
- GeForce RTX 3090 Ti 450 W
- GeForce RTX 5090 575 W
GeForce RTX 4090: common questions
How much power does the GeForce RTX 4090 use?
The GeForce RTX 4090 is rated at 450 W board power. In games it typically draws about 382 W, between roughly 270 W in light games and 450 W under heavy load, and about 22 W at the desktop. These gaming figures are estimates based on the rated board power.
What power supply do I need for the GeForce RTX 4090?
With a Ryzen 7 7800X3D we recommend a 850 W unit: the peak sustained load is about 687 W, plus 20% headroom for short spikes. A processor with a higher power limit may need a larger unit.
How much does it cost to run a GeForce RTX 4090 PC per month?
A whole PC with the GeForce RTX 4090, played 3 hours a day with 2 hours of other use, costs about €21.71 a month in Germany. The table above shows other countries and US states.
Can I lower the GeForce RTX 4090's power use?
Yes. Limiting it to about 80% power typically keeps around 96% of its performance and saves about €33.63 a year at 3 hours a day in Germany.
Tools for the GeForce RTX 4090
- How much does undervolting your GPU save?Pick a power limit and see the money saved per year and the performance you keep.
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