Fortnite · Clean session · 167 FPS · 69 stutters (75 slow frames including 1 freeze) · @Luffyy

Shared session

By @Luffyy

Fortnite

Oct 04, 2026, 02:50 AM · 1h 38min · 21 min gameplay

Detected by: system event · End: the game closed

Key takeaways

Smooth session

The time lost to stutters stays below the threshold.

69 stutters (75 slow frames including 1 freeze) · 3.6 s lost

Main cause: Graphics load (45 occurrences). The worst stretch cost 635 ms of lost frames.

Pace set by the graphics card

The graphics card set the pace on 95% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

21 min active / 98 min total

Average FPS

167

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

12.1 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 (75)

3.6 s lost

Graphics load45(3.0 s)

Game computation30(1.2 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

21%

GPU

50%

CPU temp max

76°

55° on average

GPU temp max

64°

50° 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 44 °CCPU fan max 2,948 RPMGPU fan max 2,200 RPMCPU power avg. 107 WGPU power avg. 95 WHottest core #6 · 75 °C

Measurement conditions

V-Sync: off
Loading hitches excluded: 32
Measurement cost: 0.8% of the processor

Pace set by the graphics card

The graphics card set the pace on 95% of the frames: the usual situation for an uncapped game.

VRAM peak

7.0 GB

Input lag p99

16.9 ms