Project Zomboid · Clean session · 112 FPS · 124 stutters (369 slow frames including 21 freezes) · @kleiN

Shared session

Project Zomboid

Oct 18, 2026, 03:20 AM · 1h 38min · 90 min gameplay

AMD Ryzen 7 9800X3D 8-Core Processor · MSI GeForce RTX 4080 Ventus 3X OC 16GB · 46 GB RAM · 2560x1440 · driver 617.14Exclusive fullscreen

Detected by: system event · End: the game closed

Key takeaways

Smooth session

The time lost to stutters stays below the threshold.

124 stutters (369 slow frames including 21 freezes) · 15.9 s lost

Main cause: Game computation (359 occurrences). The worst stretch cost 1.5 s of lost frames.

Pace set by the graphics card

The graphics card set the pace on 81% of the frames: the usual situation for an uncapped game.

Performance

FPS, lows and stutter breakdown

Frame timing

90 min active / 98 min total

Average FPS

112

Session average

1% low

Average of the worst 1% of frames

0.1% low

Average of the worst 0.1% of frames

Frame p99

17.9 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 (369)

15.9 s lost

Game computation359(19.0 s)

Drive loading8(1.0 s)

Not enough RAM1(0.1 s)

Graphics load1(0.0 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

16%

GPU

56%

CPU temp max

79°

64° on average

GPU temp max

65°

58° 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 54 °CCPU fan max 4,210 RPMGPU fan max 1,327 RPMCPU power avg. 86 WGPU power avg. 188 W

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 81% of the frames: the usual situation for an uncapped game.

VRAM peak

13.9 GB

Input lag p99

43.3 ms