Fortnite

Sep 29, 2026, 12:39 AM · 29 min · 7 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Rough session

Stutters cost a noticeable share of the playtime.

38 stutters (85 slow frames including 13 freezes) · 5.9 s lost

Main cause: Graphics load. The worst stretch cost 3.4 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 100% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

7 min active / 29 min total

Average FPS

123

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

16.0 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 (85)

5.9 s lost

Graphics load36(1.8 s)

Game computation14(0.7 s)

Breakdown of the first 50 stutters.

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

22%

GPU

52%

CPU temp max

76°

60° on average

GPU temp max

65°

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 46 °CCPU fan max 3,174 RPMGPU fan max 3,010 RPMCPU power avg. 121 WGPU power avg. 108 WHottest core #6 · 79 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 22
Measurement cost: 2.2% of the processor

Pace set by the graphics card

The graphics card set the pace on 100% of the frames: the usual situation for an uncapped game.

VRAM peak

7.7 GB

Input lag p99

19.0 ms