Fortnite · Rough session · 104 FPS · 108 stutters (416 slow frames including 118 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Sep 29, 2026, 05:18 PM · 1h 54min · 17 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Rough session

Stutters cost a noticeable share of the playtime.

108 stutters (416 slow frames including 118 freezes) · 44.0 s lost

Main cause: Graphics load. The worst stretch cost 5.4 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 92% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

17 min active / 114 min total

Average FPS

104

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

35.3 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 (416)

44.0 s lost

Graphics load32(2.1 s)

CPU taken over11(0.4 s)

Not enough RAM6(1.1 s)

Drive loading1(0.1 s)

Breakdown of the first 50 stutters.

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

13%

GPU

56%

CPU temp max

86°

60° on average

GPU temp max

67°

54° 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 51 °CCPU fan max 3,225 RPMGPU fan max 3,010 RPMCPU power avg. 118 WGPU power avg. 98 WHottest core #8 · 86 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 269
Measurement cost: 0.7% of the processor

Pace set by the graphics card

The graphics card set the pace on 92% of the frames: the usual situation for an uncapped game.

VRAM peak

7.7 GB

Input lag p99

86.5 ms