Fortnite · Bad session · 78 FPS · 43 stutters (584 slow frames including 50 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Sep 30, 2026, 01:27 PM · 20 min · 7 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Bad session

Stutters cost a noticeable share of the playtime.

43 stutters (584 slow frames including 50 freezes) · 32.1 s lost

Main cause: Game computation. The worst stretch cost 5.1 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 66% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

7 min active / 20 min total

Average FPS

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

49.3 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 (584)

32.1 s lost

Game computation42(4.0 s)

Not enough RAM7(0.5 s)

Drive loading1(0.0 s)

Breakdown of the first 50 stutters.

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

13%

GPU

73%

CPU temp max

74°

57° on average

GPU temp max

66°

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 46 °CCPU fan max 2,919 RPMGPU fan max 3,010 RPMCPU power avg. 112 WGPU power avg. 119 WHottest core #6 · 74 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 30
Measurement cost: 3.9% of the processor

Pace set by the graphics card

The graphics card set the pace on 66% of the frames: the usual situation for an uncapped game.

VRAM peak

7.8 GB

Input lag p99

248.4 ms