Minecraft (Java) · Rough session · 158 FPS · 58 stutters (69 slow frames including 9 freezes) · @kleiN

Shared session

Minecraft (Java)

Sep 22, 2026, 12:32 AM · 27 min · 22 min gameplay

Unstable framerate (57% 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 AngAinOne app stopped

Key takeaways

What stands out in this session

Rough session

Unstable framerate (57% drop) — stutters are noticeable and frequent.

58 stutters (69 slow frames including 9 freezes) · 4.5 s lost

Main cause: Game computation (62 occurrences). The worst stretch cost 1.0 s 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

22 min active / 27 min total

Average FPS

158

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 (69)

4.5 s lost

Game computation62(3.7 s)

Drive loading4(0.3 s)

Not enough RAM3(0.5 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

GPU

10%

CPU temp max

73°

52° 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 52 °CCPU fan max 4,095 RPMGPU fan max 1,141 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

3.3 GB

VRAM evictions

Input lag p99

22.9 ms