Fortnite · Clean session · 173 FPS · 3 stutters (4 slow frames) · @Luffyy

Shared session

By @Luffyy

Fortnite

Oct 04, 2026, 06:26 PM · 13 min · 2 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Smooth session

The time lost to stutters stays below the threshold.

3 stutters (4 slow frames) · 0.8 s lost

Main cause: Game computation (4 occurrences). The worst stretch cost 466 ms of lost frames.

Balanced

Neither one dominates (59% of the frames limited by the card, 41% by the processor).

Performance

FPS, lows and stutter breakdown

Frame timing

2 min active / 13 min total

Average FPS

173

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

11.5 ms

Time per frame, in the slowest 1%

Median frame time of each slice (ms) over the session. Red dots = slowest frame of a slice, when it clearly breaks from the session’s pace.

Slow frames (4)

0.8 s lost

Game computation4(1.0 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

—

GPU

51%

CPU temp max

68°

52° on average

GPU temp max

62°

51° on average

Processor · Graphics card over the session, peak of each slice. The dashed lines are the thresholds of the thermal summary.

Advanced sensors (PawnIO driver)

VRM max 42 °CCPU fan max 2,690 RPMGPU fan max 1,357 RPMCPU power avg. 96 WGPU power avg. 95 WHottest core #6 · 68 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 4
Measurement cost: 9.9% of the processor

Balanced

Neither one dominates (59% of the frames limited by the card, 41% by the processor).

VRAM peak

7.5 GB

Input lag p99

14.3 ms