Fortnite · Clean session · 159 FPS · 31 stutters (39 slow frames including 1 freeze) · @Luffyy

Shared session

By @Luffyy

Fortnite

Oct 03, 2026, 10:20 PM · 20 min · 7 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Smooth session

The time lost to stutters stays below the threshold.

31 stutters (39 slow frames including 1 freeze) · 1.4 s lost

Main cause: Graphics load (30 occurrences). The worst stretch cost 147 ms of lost frames.

Pace set by the graphics card

The graphics card set the pace on 87% 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

159

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

13.8 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 (39)

1.4 s lost

Graphics load30(1.3 s)

Game computation9(0.3 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

20%

GPU

79%

CPU temp max

68°

55° on average

GPU temp max

64°

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 44 °CCPU fan max 2,739 RPMGPU fan max 2,022 RPMCPU power avg. 109 WGPU power avg. 122 WHottest core #6 · 71 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 4
Measurement cost: 12.4% of the processor

Pace set by the graphics card

The graphics card set the pace on 87% of the frames: the usual situation for an uncapped game.

VRAM peak

7.6 GB

Input lag p99

18.4 ms