Fortnite · Rough session · 51 FPS · 12 stutters (82 slow frames including 16 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Sep 30, 2026, 10:56 PM · 18 min · 2 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Rough session

Stutters cost a noticeable share of the playtime.

12 stutters (82 slow frames including 16 freezes) · 5.8 s lost

Main cause: Game computation (55 occurrences). The worst stretch cost 3.6 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 66% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

2 min active / 18 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

70.4 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 (82)

5.8 s lost

Game computation55(4.9 s)

Graphics load14(1.6 s)

Drive loading8(0.8 s)

Not enough RAM5(0.3 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

15%

GPU

73%

CPU temp max

73°

56° on average

GPU temp max

66°

56° 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 3,084 RPMGPU fan max 2,875 RPMCPU power avg. 103 WGPU power avg. 110 WHottest core #6 · 76 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 2
Measurement cost: 5.1% of the processor

Pace set by the graphics card

The graphics card set the pace on 66% of the frames: the usual situation for an uncapped game.

VRAM peak

7.7 GB

Input lag p99

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