Z1 Battle Royale (H1Z1) · Bad session · 334 FPS · 14 stutters (60 slow frames including 15 freezes) · @Teuf

Shared session

By @Teuf

Z1 Battle Royale (H1Z1)

Sep 23, 2026, 02:52 AM · 7 min · 6 min gameplay

Very erratic framerate (61% drop): a serious cause to look for.

Detected by: system event · End: the game closed

Key takeaways

Bad session

Very erratic framerate (61% drop): a serious cause to look for.

14 stutters (60 slow frames including 15 freezes) · 9.1 s lost

Main cause: Not enough RAM. The worst stretch cost 4.7 s of lost frames.

CPU limited

The processor was the limit on 98% of the frames, not the graphics card.

Performance

FPS, lows and stutter breakdown

Frame timing

6 min active / 7 min total

Average FPS

334

Session average

1% low

130

Average of the worst 1% of frames

0.1% low

Extreme micro-stutters

Frame p99

5.3 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 (60)

9.1 s lost

Not enough RAM23(2.2 s)

Game computation22(5.9 s)

Drive loading5(0.4 s)

Breakdown of the first 50 stutters.

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

12%

GPU

38%

CPU temp max

77°

64° on average

GPU temp max

49°

44° 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 1,380 RPMCPU power avg. 136 WGPU power avg. 216 W

CPU limited

The processor was the limit on 98% of the frames, not the graphics card.

VRAM peak

4.9 GB

VRAM evictions

Input lag p99

13.2 ms