Fortnite · Rough session · 50 FPS · 17 stutters (122 slow frames including 30 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Sep 30, 2026, 10:31 PM · 25 min · 2 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Rough session

Stutters cost a noticeable share of the playtime.

17 stutters (122 slow frames including 30 freezes) · 8.9 s lost

Main cause: Game computation (54 occurrences). The worst stretch cost 2.3 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

2 min active / 25 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

71.5 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 (122)

8.9 s lost

Game computation54(3.9 s)

Graphics load48(5.1 s)

Drive loading11(1.2 s)

Not enough RAM9(1.3 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

16%

GPU

71%

CPU temp max

75°

55° 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 3,217 RPMGPU fan max 3,010 RPMCPU power avg. 100 WGPU power avg. 109 WHottest core #6 · 76 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 2
Measurement cost: 2.1% 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

7.8 GB

Input lag p99

159.9 ms