GeForce RTX 3090 power consumption and electricity cost
The GeForce RTX 3090 has a rated board power of 350 W. In games it typically draws about 298 W (range 210–350 W) Estimate. Paired with a Ryzen 7 7800X3D and played 3 hours a day, the whole PC costs about €18.46 a month in Germany.
| Rated board power | 350 W |
|---|---|
| Typical gaming draw | 298 W |
| Light to heavy gaming | 210–350 W |
| Idle (desktop) | about 16 W |
| Recommended PSU with a Ryzen 7 7800X3D | 750 W |
| Released | 2020 |
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 3090, 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 | €18.46 | €221 |
| Italy | €0.314 | €16.04 | €192 |
| Spain | €0.251 | €12.80 | €154 |
| France | €0.249 | €12.68 | €152 |
| United Kingdom | £0.263 | £13.43 | £161 |
| Netherlands | €0.244 | €12.45 | €149 |
| Poland | PLN 1.321 | PLN 67.40 | PLN 808 |
| California | $0.298 | $15.18 | $182 |
| Texas | $0.159 | $8.12 | $97.37 |
| New York | $0.287 | $14.62 | $175 |
| Florida | $0.150 | $7.65 | $91.74 |
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% | 268 W | 98% | €13.12 |
| 80% | 238 W | 96% | €26.24 |
| 70% | 209 W | 93% | €39.35 |
Calculate with your own usage Upgrade payback Undervolt calculator
Similar graphics cards
- GeForce RTX 4080 320 W
- GeForce RTX 3080 320 W
- Radeon RX 6950 XT 335 W
- GeForce RTX 3080 Ti 350 W
- Radeon RX 7900 XTX 355 W
- GeForce RTX 5080 360 W
GeForce RTX 3090: common questions
How much power does the GeForce RTX 3090 use?
The GeForce RTX 3090 is rated at 350 W board power. In games it typically draws about 298 W, between roughly 210 W in light games and 350 W under heavy load, and about 16 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 3090?
With a Ryzen 7 7800X3D we recommend a 750 W unit: the peak sustained load is about 587 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 3090 PC per month?
A whole PC with the GeForce RTX 3090, played 3 hours a day with 2 hours of other use, costs about €18.46 a month in Germany. The table above shows other countries and US states.
Can I lower the GeForce RTX 3090's power use?
Yes. Limiting it to about 80% power typically keeps around 96% of its performance and saves about €26.24 a year at 3 hours a day in Germany.
Tools for the GeForce RTX 3090
- 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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- What does running AI on your own GPU cost?Electricity cost per million tokens on your graphics card, and how it compares with an API price.
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