Low GPU usage and low FPS at the same time

Low GPU usage and low FPS at the same time, what gives? My graphics card sits at like half usage while my frame rate is garbage, which makes zero sense to me. If it had more to give, why isn't it giving it? Updated drivers, rebooted, set power to high performance. Still the same. Is something capping it, or is my card broken?

Concerns & risks

Your overlay shows the graphics card at partial load, your frame rate is disappointing, and no setting seems to push it harder.

At a glance: low GPU usage and low FPS
Clue	Meaning	Next step
One CPU thread at the top	CPU limit	Lower CPU-heavy settings, cap FPS
FPS cap or V-Sync on	Artificial limit	Remove the cap to test
Power saving mode	GPU held back	Set high performance power plan
Display on motherboard port	iGPU in use	Plug into the graphics card

NVIDIA app interface (NVIDIA official image), annotated: Low GPU usage? Look at caps and the CPU first — Low GPU usage? Look at caps and the CPU first. Image: NVIDIA (official source, cropped and annotated by ReportSpeed)

Overview diagram: Why is GPU usage low? — FPS cap / V-Sync?; Power mode / charger; Right GPU selected; CPU limit? — The whole fix at a glance: fps cap / v-sync?, power mode / charger, right gpu selected, cpu limit?. Original diagram by ReportSpeed

Causes & evidence

The GPU only works as fast as it's fed. Low usage with low FPS usually means something upstream is limiting it: a processor bottleneck, a frame-rate cap you forgot about, V-Sync, a power-saving mode, a laptop running on the wrong GPU, or a game engine that's simply single-thread heavy. Outdated drivers and background apps can add to it.

Low GPU usage means the graphics card is waiting, so the cause is somewhere else in the chain: a frame cap, V-Sync, a power-saving mode, a CPU-heavy scene, or even the monitor plugged into the wrong port. Change one thing at a time and keep the same test scene, so you know which fix mattered.

Troubleshooting flowchart: try each step in order and stop when it is fixed — Low GPU usage and low FPS at the same time — Work through it in order and stop when the problem is gone. Original diagram by ReportSpeed

Before anything else, check for the invisible cap that's quietly sitting in three different menus.

What to do

Step illustration: numbered steps for Low GPU usage and low FPS at the same time — The steps from this answer as numbered cards. Original diagram by ReportSpeed

Comparison chart of recommended actions versus common mistakes for: Low GPU usage and low FPS at the same time — What to do versus what trips people up. Original diagram by ReportSpeed

Look for frame caps in the game, the GPU control panel and any overlay software; disable them while testing.
Turn off V-Sync temporarily to see true performance.
Set Windows power mode to Best performance and, on laptops, plug in the charger.
On laptops, make sure the game runs on the dedicated GPU in Windows Graphics settings.
Update to the latest driver from NVIDIA or AMD.
If GPU usage stays low and CPU cores are pinned, you're CPU-limited, so raise resolution or consider a CPU upgrade.

Common mistakes:

Running a laptop on battery
Leaving a 60 FPS cap in a launcher
Blaming the GPU when the CPU is the limit

ReportSpeedMan tip: Cap your FPS just under your monitor's refresh rate after testing. It keeps temperatures and noise down without hurting smoothness.

What I would actually do

GeForce RTX 5070 family graphics card (NVIDIA official image), annotated: A fast card can sit idle behind a CPU limit — A fast card can sit idle behind a CPU limit. Image: NVIDIA (official source, cropped and annotated by ReportSpeed)

remove every FPS cap first, then look at the busiest CPU thread. That two-minute check sorts most cases.

The trade-off people miss: 'low GPU usage' is sometimes fine. If you capped FPS on purpose, the GPU is supposed to relax.

Builder's note: A quick sanity test I like: drop the game to its lowest resolution for a minute. If the frame rate stays stuck at the same ceiling, the limit lives outside the graphics card, usually a cap, a sync setting or the processor. If FPS rockets up, the GPU really was the limit and your settings were just heavy.

How to tell it worked

After each change, run the same scene again. When the fix lands, GPU usage climbs close to full during gameplay and the frame rate rises with it, unless you deliberately capped it. If usage stays low even at very low settings, the processor or a background task is the limit, which points you to the CPU-versus-GPU decision instead.

Quick FAQ

Is 99% GPU usage good?
Usually yes. It means the card is the limit and working at full speed.

Can laptops show low usage on purpose?
Yes. Some switch between integrated and dedicated graphics. Make sure the game uses the dedicated GPU.

Do frame caps cause low usage?
Yes, by design. If you hit your cap, lower usage is normal and saves heat.

Wrap-up: Remove caps and V-Sync, switch to high-performance power, make sure the right GPU is in use, update drivers, then check for a CPU limit. Your card usually wakes right up.

Wiki: CPU–GPU Bottleneck.

Low GPU usage and low FPS at the same time: official pages behind this answer

Step-by-step photos

1. Before The problem
2. Why it happens The cause
3. The fix The fix
4. After The result

⚡ Speed Summary

Remove caps and V-Sync, switch to high-performance power, make sure the right GPU is in use, update drivers, then check for a CPU limit.
Cap your FPS just under your monitor's refresh rate after testing. It keeps temperatures and noise down without hurting smoothness.
Before anything else, check for the invisible cap that's quietly sitting in three different menus.

Low GPU usage and low FPS at the same time? Fixes for an underused graphics card

Concerns & risks

Causes & evidence