How many watts does ASUS Dual GeForce RTX 5080 use?
Short answer
ASUS Dual GeForce RTX 5080 draws up to 360 W under gaming load — that is its rated TDP; short spikes can reach about 504 W. A build with a mid-range CPU needs a 750 W power supply or more. At 3 h of gaming a day the card uses ≈32.4 kWh a month (≈$ 5.51).
| TDP (rated, gaming) | 360 W |
|---|---|
| Graphics card spikes (estimate) | up to 504 W |
| PSU with a mid-range CPU (105 W) | 750 W |
| FPS per watt (1440p, High) | 0.94 FPS/W |
| Electricity per month (3 h/day) | $ 5.51 (32.4 kWh) |
Looking for something else? What PSU ASUS Dual GeForce RTX 5080 needs · How much gaming electricity costs
What ASUS Dual GeForce RTX 5080 costs to run per month
Graphics card only, per month:
$ 5.51
32.4 kWh
Calculation: 360 W (TDP under gaming load) × hours × 30 days × rate. Default rate is $ 0.17 per kWh; replace it with yours.
Power use and efficiency of ASUS Dual GeForce RTX 5080 alternatives
| Graphics card | TDP | Difference | FPS (1440p) | FPS/W | PSU (mid-range CPU) | |
|---|---|---|---|---|---|---|
| ASUS Dual GeForce RTX 5080 | 360 W | — | 340 | 0.94 | 750 W | |
| GeForce RTX 5080 | 360 W | 0 W | 353 | 0.98 | 750 W | Compare → |
| NVIDIA RTX 6000 Ada | 372 W | +12 W | 314 | 0.84 | 750 W | Compare → |
| GeForce RTX 4080 Super | 320 W | -40 W | 331 | 1.03 | 700 W | Compare → |
| GeForce RTX 4080 | 320 W | -40 W | 318 | 0.99 | 700 W | Compare → |
| GeForce RTX 4090 | 450 W | +90 W | 373 | 0.83 | 850 W | Compare → |
FPS is the average across 8 popular games at 1440p High from the unified FPSHQ model (real measurements where available); FPS/W = FPS / TDP. How FPS is calculated
Key figures
Unique FPSHQ metrics from this page's data
360 W
TDP (rated, gaming)
up to 504 W
Graphics card spikes (estimate)
750 W
PSU with a mid-range CPU (105 W)
0.94 FPS/W
FPS per watt (1440p, High)
$ 5.51 (32.4 kWh)
Electricity per month (3 h/day)
In short
How many watts does ASUS Dual GeForce RTX 5080 use?
In games — up to 360 W (rated TDP). Short spikes under load can reach ~504 W, which matters when choosing a power supply.
- TDP (rated, gaming)
- 360 W
- Graphics card spikes (estimate)
- up to 504 W
- PSU with a mid-range CPU (105 W)
- 750 W
- FPS per watt (1440p, High)
- 0.94 FPS/W
Frequently asked questions
How many watts does ASUS Dual GeForce RTX 5080 use?
In games — up to 360 W (rated TDP). Short spikes under load can reach ~504 W, which matters when choosing a power supply.
How much power does ASUS Dual GeForce RTX 5080 use at idle?
Our database has no separate idle measurement for ASUS Dual GeForce RTX 5080. At idle and during video playback graphics cards use only a small fraction of their TDP (360 W), so your electricity bill mostly depends on gaming hours.
How much does electricity for ASUS Dual GeForce RTX 5080 cost per month?
At 3 hours of gaming a day and a rate of $ 0.17 per kWh — about $ 5.51 a month for the graphics card alone (32.4 kWh). Recalculate for your hours and rate with the calculator on this page.
How many watts PSU does ASUS Dual GeForce RTX 5080 need?
From 750 W for a build with a mid-range CPU: card TDP 360 W, short spikes up to ~504 W, plus the rest of the system and 30% headroom.
Which is more efficient: ASUS Dual GeForce RTX 5080 or GeForce RTX 5080?
By spec ASUS Dual GeForce RTX 5080 draws 360 W and GeForce RTX 5080 draws 360 W. Efficiency by the unified FPSHQ model: 0.94 vs 0.98 FPS per watt (1440p, High, popular games).
⚡ What PSU for ASUS Dual GeForce RTX 5080
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