Fortnite · Rough session · 168 FPS · 107 stutters (1232 slow frames including 422 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Sep 27, 2026, 12:14 PM · 5h 60min · 33 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Rough session

Stutters cost a noticeable share of the playtime.

107 stutters (1232 slow frames including 422 freezes) · 136.0 s lost

Main cause: Game computation. The worst stretch cost 21.2 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 93% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

33 min active / 360 min total

Average FPS

168

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

17.7 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 (1232)

136.0 s lost

Game computation49(6.8 s)

CPU taken over1(0.0 s)

Breakdown of the first 50 stutters.

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

GPU

44%

CPU temp max

76°

52° on average

GPU temp max

65°

50° 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 45 °CCPU fan max 3,225 RPMGPU fan max 2,620 RPMCPU power avg. 91 WGPU power avg. 89 WHottest core #6 · 81 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 103
Measurement cost: 0.5% of the processor

Pace set by the graphics card

The graphics card set the pace on 93% of the frames: the usual situation for an uncapped game.

VRAM peak

7.5 GB

Input lag p99

46.4 ms