Fortnite · Clean session · 99 FPS · 17 stutters (52 slow frames including 1 freeze) · @Luffyy

Shared session

By @Luffyy

Fortnite

Oct 02, 2026, 04:42 PM · 16 min · 2 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Smooth session

The time lost to stutters stays below the threshold.

17 stutters (52 slow frames including 1 freeze) · 1.9 s lost

Main cause: Graphics load (28 occurrences). The worst stretch cost 306 ms of lost frames.

Pace set by the graphics card

The graphics card set the pace on 84% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

2 min active / 16 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

21.0 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 (52)

1.9 s lost

Graphics load28(1.4 s)

Game computation23(1.0 s)

Not enough RAM1(0.1 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

15%

GPU

64%

CPU temp max

76°

56° on average

GPU temp max

66°

52° 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 45 °CCPU fan max 2,919 RPMGPU fan max 2,889 RPMCPU power avg. 115 WGPU power avg. 101 WHottest core #6 · 77 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 25
Measurement cost: 5.5% of the processor

Pace set by the graphics card

The graphics card set the pace on 84% of the frames: the usual situation for an uncapped game.

VRAM peak

7.6 GB

Input lag p99

61.4 ms