Hearthstone · Bad session · 282 FPS · 127 stutters (193 slow frames including 19 freezes) · @Stimi

Shared session

Hearthstone

Sep 22, 2026, 10:58 PM · 38 min · 31 min gameplay

Very erratic framerate (63% drop) — a serious cause to investigate.

Intel(R) Core(TM) i7-10700K CPU @ 3.80GHz · NVIDIA GeForce RTX 3080 · 31 GB RAM · 2560x1440 · driver 616.64Exclusive fullscreen

Detected by: system event · End: the game closed

Key takeaways

What stands out in this session

Bad session

Very erratic framerate (63% drop) — a serious cause to investigate.

127 stutters (193 slow frames including 19 freezes) · 17.1 s lost

Main cause: Game computation (193 occurrences). The worst stretch cost 5.0 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

31 min active / 38 min total

Average FPS

282

Session average

1% low

105

Average of the worst 1% of frames

0.1% low

Extreme micro-stutters

Frame p99

6.7 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 (193)

17.1 s lost

Game computation193(17.1 s)

System state

CPU, GPU, VRAM averages and temperatures

Game CPU

20%

GPU

17%

CPU temp max

65°

53° on average

GPU temp max

64°

59° 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 56 °CCPU fan max 879 RPMGPU fan max 1,100 RPMCPU power avg. 82 WGPU power avg. 119 WHottest core #4 · 65 °C

CPU limited

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

VRAM peak

2.4 GB

VRAM evictions

Input lag p99

8.5 ms