Minecraft (Java) · Bad session · 162 FPS · 104 stutters (141 slow frames including 9 freezes) · @kleiN

Shared session

By @kleiN

Minecraft (Java)

Sep 24, 2026, 07:35 AM · 1h 21min · 49 min gameplay

Unstable framerate (55% drop): noticeable, frequent stutters.

AMD Ryzen 7 9800X3D 8-Core Processor · NVIDIA GeForce RTX 4080 · 46 GB RAM · 2560x1440 · driver 616.64Windowed

Detected by: system event · End: the AngAinOne app stopped

Key takeaways

Bad session

Unstable framerate (55% drop): noticeable, frequent stutters.

104 stutters (141 slow frames including 9 freezes) · 44.3 s lost

Main cause: Game computation (122 occurrences). The worst stretch cost 18.3 s 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

49 min active / 81 min total

Average FPS

162

Session average

1% low

Average of the worst 1% of frames

0.1% low

Extreme micro-stutters

Frame p99

11.4 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 (141)

44.3 s lost

Game computation122(42.9 s)

Not enough RAM10(0.8 s)

Drive loading9(0.6 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

GPU

19%

CPU temp max

66°

49° on average

GPU temp max

60°

56° 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 49 °CCPU fan max 4,040 RPMGPU fan max 1,142 RPMCPU power avg. 55 WGPU power avg. 48 W

CPU limited

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

VRAM peak

3.5 GB

VRAM evictions

Input lag p99

24.0 ms