Fortnite · Bad session · 76 FPS · 198 stutters (3556 slow frames including 1035 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Sep 29, 2026, 10:15 PM · 53 min · 35 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Bad session

Stutters cost a noticeable share of the playtime.

198 stutters (3556 slow frames including 1035 freezes) · 310.3 s lost

Main cause: Game computation. The worst stretch cost 41.3 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 76% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

35 min active / 53 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

76.4 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 (3556)

310.3 s lost

Game computation46(7.2 s)

Graphics load4(0.4 s)

Breakdown of the first 50 stutters.

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

19%

GPU

80%

CPU temp max

80°

58° on average

GPU temp max

67°

58° 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 49 °CCPU fan max 3,217 RPMGPU fan max 3,002 RPMCPU power avg. 113 WGPU power avg. 121 WHottest core #6 · 80 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 854
Measurement cost: 1.0% of the processor

Pace set by the graphics card

The graphics card set the pace on 76% of the frames: the usual situation for an uncapped game.

VRAM peak

7.7 GB

Input lag p99

120.7 ms