Minecraft (Java) · Rough session · 156 FPS · 294 stutters (407 slow frames including 31 freezes) · @kleiN

Shared session

Minecraft (Java)

Sep 21, 2026, 06:48 PM · 2h 7min · 98 min gameplay

Unstable framerate (50% drop) — stutters are noticeable and frequent.

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

What stands out in this session

Rough session

Unstable framerate (50% drop) — stutters are noticeable and frequent.

294 stutters (407 slow frames including 31 freezes) · 24.2 s lost

Main cause: Game computation (349 occurrences). The worst stretch cost 985 ms of lost frames.

CPU limited

The processor did most of the work on 100% of the frames: it is the limit, not the graphics card.

Performance

FPS, lows and stutter breakdown

Frame timing

98 min active / 127 min total

Average FPS

156

Session average

1% low

Average of the worst 1% of frames

0.1% low

Extreme micro-stutters

Frame p99

12.1 ms

Time per frame, in the slowest 1%

Time of each frame (ms) over the session — higher = longer frame. Red dots = frames that clearly break away from the pace of this session.

Slow frames (407)

24.2 s lost

Game computation349(19.0 s)

Drive loading35(3.1 s)

Not enough RAM23(2.1 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

GPU

19%

CPU temp max

74°

50° on average

GPU temp max

61°

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 51 °CCPU fan max 4,123 RPMGPU fan max 1,142 RPMCPU power avg. 57 WGPU power avg. 47 W

CPU limited

The processor did most of the work on 100% of the frames: it is the limit, not the graphics card.

VRAM peak

4.2 GB

VRAM evictions

Input lag p99

27.0 ms