Fortnite · Bad session · 75 FPS · 75 stutters (519 slow frames including 178 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Sep 30, 2026, 11:02 AM · 15 min · 11 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Bad session

Stutters cost a noticeable share of the playtime.

75 stutters (519 slow frames including 178 freezes) · 48.5 s lost

Main cause: Game computation. The worst stretch cost 6.9 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 71% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

11 min active / 15 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

59.6 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 (519)

48.5 s lost

Game computation49(7.9 s)

Graphics load1(0.1 s)

Breakdown of the first 50 stutters.

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

22%

GPU

72%

CPU temp max

75°

57° on average

GPU temp max

66°

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 46 °CCPU fan max 3,234 RPMGPU fan max 3,010 RPMCPU power avg. 113 WGPU power avg. 131 WHottest core #3 · 76 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 41
Measurement cost: 1.3% of the processor

Pace set by the graphics card

The graphics card set the pace on 71% of the frames: the usual situation for an uncapped game.

VRAM peak

7.8 GB

Input lag p99

161.2 ms