Project Zomboid · Rough session · 109 FPS · 71 stutters (292 slow frames including 9 freezes) · @kleiN

Shared session

Project Zomboid

Oct 23, 2026, 10:10 PM · 49 min · 31 min gameplay

AMD Ryzen 7 9800X3D 8-Core Processor · MSI GeForce RTX 4080 Ventus 3X OC 16GB · 46 GB RAM · 2560x1440 · driver 621.01Exclusive fullscreen

Detected by: system event · End: the game closed

Key takeaways

Rough session

Stutters cost a noticeable share of the playtime.

71 stutters (292 slow frames including 9 freezes) · 13.7 s lost

Main cause: Game computation (292 occurrences). The worst stretch cost 2.4 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 75% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

31 min active / 49 min total

Average FPS

109

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

24.2 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 (292)

13.7 s lost

Game computation292(17.7 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

19%

GPU

44%

CPU temp max

81°

64° on average

GPU temp max

66°

55° 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 53 °CCPU fan max 4,240 RPMGPU fan max 1,419 RPMCPU power avg. 93 WGPU power avg. 144 W

Measurement conditions

V-Sync: off
Loading hitches excluded: 12
Measurement cost: 0.4% of the processor

Pace set by the graphics card

The graphics card set the pace on 75% of the frames: the usual situation for an uncapped game.

VRAM peak

12.1 GB

Input lag p99

49.4 ms