Volume Shader Test FPS Result Guide
How to read your result — FPS tiers, frame time, stability, and what actually changes the score.
Your Volume Shader BM result is more than a single number. Here is how to read the FPS, frame time and stability values, and what they tell you about your GPU.
Quick answer
- 60+ FPS — smooth, your GPU handles raymarching comfortably.
- 30–60 FPS — usable, common for mid-range laptops & flagship phones.
- 15–30 FPS — heavy load, switch to Light or Medium for a fairer reading.
- Under 15 FPS — GPU under stress, almost always integrated graphics or thermal throttling.
- Always compare the same test mode. Heavy vs Medium scores are meaningless side by side.
FPS — average vs minimum
Average FPS describes how the run felt overall. Minimum FPS shows the worst second — if your minimum is far below the average, you're hitting GPU stalls (shader recompilation on first run, background tab competing for the GPU, thermal step-down).
Frame time — the sister metric
Frame time is the time in milliseconds to render one frame. 60 FPS ≈ 16.7 ms, 30 FPS ≈ 33.3 ms. A spiky frame time graph is what makes a game feel "stuttery" even when the average FPS looks fine. If you see large spikes, try fixing the lag first.
Stability
Stability is the gap between best and worst frame time during the run. A high stability number means consistent performance — important for VR, AI inference and creative apps. A low one means your GPU is throttling. On a laptop, plug it in and rerun. On a phone, see the phone GPU test guide.
What changes your FPS
- GPU generation and tier — naturally.
- Integrated vs dedicated GPU — laptops often default to integrated.
- Browser hardware acceleration on / off.
- Thermal throttling on long Heavy or Extreme runs.
- Other tabs using GPU (video playback, WebGL ads, Google Maps).
- OS power profile (Battery Saver, Low Power Mode, GPU frequency cap).
Run the test
Take a measurement, then come back and check your number against the tiers above.
