Fortnite · Rough session · 138 FPS · 10 stutters (94 slow frames including 30 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Sep 30, 2026, 08:44 PM · 8 min · 3 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Rough session

Stutters cost a noticeable share of the playtime.

10 stutters (94 slow frames including 30 freezes) · 10.1 s lost

Main cause: Game computation (55 occurrences). The worst stretch cost 3.1 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 63% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

3 min active / 8 min total

Average FPS

138

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

34.4 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 (94)

10.1 s lost

Game computation55(5.9 s)

Drive loading22(2.4 s)

Graphics load17(3.6 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

17%

GPU

59%

CPU temp max

71°

55° 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 45 °CCPU fan max 3,022 RPMGPU fan max 3,010 RPMCPU power avg. 103 WGPU power avg. 110 WHottest core #6 · 71 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 5
Measurement cost: 0.7% of the processor

Pace set by the graphics card

The graphics card set the pace on 63% of the frames: the usual situation for an uncapped game.

VRAM peak

7.8 GB

Input lag p99

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