Fortnite · Rough session · 153 FPS · 14 stutters (55 slow frames including 35 freezes) · @Luffyy

Shared session

By @Luffyy

Fortnite

Sep 30, 2026, 10:45 AM · 14 min · 3 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Rough session

Stutters cost a noticeable share of the playtime.

14 stutters (55 slow frames including 35 freezes) · 16.4 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 89% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

3 min active / 14 min total

Average FPS

153

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

34.3 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 (55)

16.4 s lost

Graphics load26(9.0 s)

Game computation13(4.0 s)

Not enough RAM8(1.8 s)

Drive loading3(0.6 s)

Breakdown of the first 50 stutters.

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

11%

GPU

51%

CPU temp max

71°

54° on average

GPU temp max

65°

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 43 °CCPU fan max 2,933 RPMGPU fan max 3,002 RPMCPU power avg. 100 WGPU power avg. 113 WHottest core #6 · 70 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 40
Measurement cost: 1.0% of the processor

Pace set by the graphics card

The graphics card set the pace on 89% of the frames: the usual situation for an uncapped game.

VRAM peak

7.8 GB

Input lag p99

31.1 ms