Minecraft (Java) · Rough session · 140 FPS · 5 stutters (8 slow frames including 2 freezes) · @kleiN

Shared session

Minecraft (Java)

Sep 23, 2026, 03:14 AM · 15 min · 1 min gameplay

Very erratic framerate (68% drop): a serious cause to look for.

AMD Ryzen 7 9800X3D 8-Core Processor · MSI GeForce RTX 4080 Ventus 3X OC 16GB · 46 GB RAM · 2560x1440 · driver 616.64Windowed

Detected by: system event · End: the game closed

Key takeaways

Rough session

Very erratic framerate (68% drop): a serious cause to look for.

5 stutters (8 slow frames including 2 freezes) · 1.1 s lost

Main cause: Game computation (8 occurrences). The worst stretch cost 815 ms of lost frames.

CPU limited

The processor was the limit on 100% of the frames, not the graphics card.

Performance

FPS, lows and stutter breakdown

Frame timing

1 min active / 15 min total

Average FPS

140

Session average

1% low

Average of the worst 1% of frames

0.1% low

Extreme micro-stutters

Frame p99

18.2 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 (8)

1.1 s lost

Game computation8(1.1 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

GPU

10%

CPU temp max

69°

50° on average

GPU temp max

59°

57° 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 48 °CCPU fan max 4,081 RPMGPU fan max 0 RPMCPU power avg. 57 WGPU power avg. 42 W

CPU limited

The processor was the limit on 100% of the frames, not the graphics card.

VRAM peak

3.4 GB

VRAM evictions

Input lag p99

39.2 ms