Fortnite · Clean session · 159 FPS · 17 stutters (18 slow frames including 1 freeze) · @Luffyy

Shared session

By @Luffyy

Fortnite

Oct 12, 2026, 12:31 PM · 44 min · 15 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Smooth session

The time lost to stutters stays below the threshold.

17 stutters (18 slow frames including 1 freeze) · 2.1 s lost

Main cause: Graphics load (17 occurrences). The worst stretch cost 624 ms of lost frames.

Pace set by the graphics card

The graphics card set the pace on 91% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

15 min active / 44 min total

Average FPS

159

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

9.3 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 (18)

2.1 s lost

Graphics load17(2.4 s)

Game computation1(0.1 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

24%

GPU

64%

CPU temp max

70°

52° 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 2,745 RPMGPU fan max 2,114 RPMCPU power avg. 96 WGPU power avg. 109 WHottest core #6 · 71 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 16
Measurement cost: 0.5% of the processor

Pace set by the graphics card

The graphics card set the pace on 91% of the frames: the usual situation for an uncapped game.

VRAM peak

7.6 GB

Input lag p99

22.2 ms