Fortnite · Rough session · 110 FPS · 110 stutters (379 slow frames including 78 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Sep 29, 2026, 07:23 PM · 50 min · 17 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Rough session

Stutters cost a noticeable share of the playtime.

110 stutters (379 slow frames including 78 freezes) · 32.3 s lost

Main cause: Game computation. The worst stretch cost 2.9 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 89% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

17 min active / 50 min total

Average FPS

110

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

34.3 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 (379)

32.3 s lost

Game computation46(7.1 s)

Drive loading2(0.4 s)

Not enough RAM2(0.8 s)

Breakdown of the first 50 stutters.

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

16%

GPU

75%

CPU temp max

80°

56° on average

GPU temp max

67°

57° 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 47 °CCPU fan max 3,092 RPMGPU fan max 3,010 RPMCPU power avg. 105 WGPU power avg. 114 WHottest core #6 · 79 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 66
Measurement cost: 1.7% of the processor

Pace set by the graphics card

The graphics card set the pace on 89% of the frames: the usual situation for an uncapped game.

VRAM peak

18.8 GB

Input lag p99

55.9 ms