Z1 Battle Royale (H1Z1) · Bad session · 344 FPS · 23 stutters (80 slow frames including 27 freezes) · @Teuf

Shared session

By @Teuf

Z1 Battle Royale (H1Z1)

Sep 22, 2026, 11:57 AM · 14 min · 10 min gameplay

Unstable framerate (57% drop): noticeable, frequent stutters.

Detected by: system event · End: the game closed

Key takeaways

Bad session

Unstable framerate (57% drop): noticeable, frequent stutters.

23 stutters (80 slow frames including 27 freezes) · 17.9 s lost

Main cause: Game computation. The worst stretch cost 6.1 s of lost frames.

CPU limited

The processor was the limit on 87% of the frames, not the graphics card.

Performance

FPS, lows and stutter breakdown

Frame timing

10 min active / 14 min total

Average FPS

344

Session average

1% low

148

Average of the worst 1% of frames

0.1% low

Extreme micro-stutters

Frame p99

5.1 ms

Time per frame, in the slowest 1%

Time of each frame (ms) over the session. Red dots = frames that clearly break from the session’s pace.

Slow frames (80)

17.9 s lost

Game computation37(11.5 s)

Not enough RAM7(0.6 s)

Drive loading6(0.4 s)

Breakdown of the first 50 stutters.

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

12%

GPU

55%

CPU temp max

76°

66° on average

GPU temp max

52°

48° 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)

GPU fan max 1,382 RPMCPU power avg. 145 WGPU power avg. 246 W

CPU limited

The processor was the limit on 87% of the frames, not the graphics card.

VRAM peak

8.2 GB

VRAM evictions

Input lag p99

52.8 ms