Minecraft (Java) · Rough session · 144 FPS · 53 stutters (65 slow frames including 10 freezes) · @kleiN

Shared session

By @kleiN

Minecraft (Java)

Sep 22, 2026, 03:36 PM · 29 min · 18 min gameplay

Unstable framerate (54% drop) — stutters are noticeable and frequent.

AMD Ryzen 7 9800X3D 8-Core Processor · NVIDIA GeForce RTX 4080 · 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 (54% drop) — stutters are noticeable and frequent.

53 stutters (65 slow frames including 10 freezes) · 5.3 s lost

Main cause: Game computation (62 occurrences). The worst stretch cost 761 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

18 min active / 29 min total

Average FPS

144

Session average

1% low

Average of the worst 1% of frames

0.1% low

Extreme micro-stutters

Frame p99

12.5 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 (65)

5.3 s lost

Game computation62(5.2 s)

Not enough RAM2(0.1 s)

Drive loading1(0.0 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

GPU

24%

CPU temp max

72°

52° on average

GPU temp max

60°

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 50 °CCPU fan max 4,123 RPMGPU fan max 1,138 RPMCPU power avg. 58 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

3.5 GB

VRAM evictions

Input lag p99

28.9 ms