Fortnite · Rough session · 173 FPS · 155 stutters (280 slow frames including 15 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Oct 13, 2026, 08:05 PM · 1h 24min · 31 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Rough session

Stutters cost a noticeable share of the playtime.

155 stutters (280 slow frames including 15 freezes) · 18.1 s lost

Main cause: Graphics load (246 occurrences). The worst stretch cost 2.0 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 98% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

31 min active / 84 min total

Average FPS

173

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

10.2 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 (280)

18.1 s lost

Graphics load246(19.1 s)

Game computation34(1.7 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

—

GPU

53%

CPU temp max

86°

53° on average

GPU temp max

64°

51° 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 3,217 RPMGPU fan max 1,905 RPMCPU power avg. 99 WGPU power avg. 98 WHottest core #8 · 86 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 81
Measurement cost: 2.1% of the processor

Pace set by the graphics card

The graphics card set the pace on 98% of the frames: the usual situation for an uncapped game.

VRAM peak

7.4 GB

Input lag p99

40.6 ms