Fortnite
Fortnite Sep 29, 2026, 12:09 AM (Paris time) · 29 min · 1 min gameplay
Detected by: system event · End: the game closed
Key takeaways ✅ Smooth session
The time lost to stutters stays below the threshold.
⚡ 8 stutters (11 slow frames) · 0.5 s lost
Main cause: Graphics load (10 occurrences). The worst stretch cost 165 ms of lost frames.
🎮 Pace set by the graphics card
The graphics card set the pace on 97% of the frames: the usual situation for an uncapped game.
Performance FPS, lows and stutter breakdown Frame timing
1 min active / 29 min total Average FPS
167
Session average
1% low
70
Average of the worst 1% of frames
0.1% low
19
Average of the worst 0.1% of frames
Frame p99
10.4 ms
Time per frame, in the slowest 1%
16.7ms · 60 FPS 33.3ms · 30 FPS 0 s 5 min 9 min 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 (11)
0.5 s lost Graphics load 10 (0.5 s)
Game computation 1 (0.0 s)
System state CPU, GPU, VRAM averages and temperatures Game CPU
? Average share of the CPU used by the game alone. 13%
GPU
? Average GPU load during the session. 42%
CPU temp max
? Highest CPU temperature during the session, across everything running, not just the game. 76°
59° on average
GPU temp max
? Highest GPU temperature during the session, across everything running, not just the game. 65°
50° on average
hot threshold · 90 °C CPU hot threshold · 83 °C GPU 30 °C 63 °C 95 °C 0 s 14 min 29 min 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 45 °C CPU fan max 3,116 RPM GPU fan max 2,971 RPM CPU power avg. 114 W GPU power avg. 88 W Hottest core #6 · 79 °C
Measurement conditions
V-Sync: off Loading hitches excluded: 4 Measurement cost: 1.3% of the processor Pace set by the graphics card The graphics card set the pace on 97% of the frames: the usual situation for an uncapped game.
VRAM peak
? Highest amount of video memory used during the session. 7.7 GB
Input lag p99
? Delay between your action and what you see on screen, in the slowest 1% of cases. 10.9 ms
🔬 Go Pro for the full analysis
This session recorded 8 stutters (11 slow frames). With Pro , you see the most likely cause of every stutter, what ate the CPU, and how to fix it.
View plans → Create your profile Your Windows optimization preferences, your setup in 3D, one config page per game and a link to paste in your !conf. AngAinOne reads your PC and your settings: you choose what’s public.