Fortnite · Clean session · 144 FPS · 36 stutters (110 slow frames including 4 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Sep 28, 2026, 07:29 PM · 19 min · 5 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Smooth session

The time lost to stutters stays below the threshold.

36 stutters (110 slow frames including 4 freezes) · 4.3 s lost

Main cause: Game computation. The worst stretch cost 770 ms of lost frames.

Pace set by the graphics card

The graphics card set the pace on 80% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

5 min active / 19 min total

Average FPS

144

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

12.2 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 (110)

4.3 s lost

Game computation33(1.3 s)

Graphics load17(0.8 s)

Breakdown of the first 50 stutters.

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

23%

GPU

53%

CPU temp max

81°

58° on average

GPU temp max

66°

53° 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 3,225 RPMGPU fan max 3,010 RPMCPU power avg. 111 WGPU power avg. 107 WHottest core #6 · 85 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 9
Measurement cost: 0.7% of the processor

Pace set by the graphics card

The graphics card set the pace on 80% of the frames: the usual situation for an uncapped game.

VRAM peak

7.8 GB

Input lag p99

42.3 ms