Fortnite · Rough session · 170 FPS · 15 stutters (62 slow frames including 20 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Oct 10, 2026, 10:50 PM · 11 min · 7 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Rough session

Stutters cost a noticeable share of the playtime.

15 stutters (62 slow frames including 20 freezes) · 9.7 s lost

Main cause: Game computation (32 occurrences). The worst stretch cost 3.7 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 83% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

7 min active / 11 min total

Average FPS

170

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

33.7 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 (62)

9.7 s lost

Game computation32(5.5 s)

Not enough RAM21(3.5 s)

Graphics load8(1.7 s)

Drive loading1(0.2 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

21%

GPU

66%

CPU temp max

68°

51° on average

GPU temp max

64°

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 43 °CCPU fan max 2,771 RPMGPU fan max 2,382 RPMCPU power avg. 93 WGPU power avg. 116 WHottest core #5 · 69 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 22
Measurement cost: 6.1% of the processor

Pace set by the graphics card

The graphics card set the pace on 83% of the frames: the usual situation for an uncapped game.

VRAM peak

7.0 GB

Input lag p99

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