MSI Afterburner is getting an update that will improve and enhance GPU overclocking for all users

Q: What exactly does the new heatmap in the V/F curve editor show about voltage and frequency behavior?

The heatmap visually represents which voltage/frequency (V/F) points are most used, showing how the GPU actually operates across voltages and frequencies. It records and displays 256 historic V/F curve chart positions so you can see which voltages and frequencies the GPU prioritizes across gaming and non-gaming workloads. It also highlights generational behavior differences tied to DVFS, helping users adjust the V/F curve to optimize performance.

Q: How can I use the heatmap data to adjust my GPU's V/F curve for better performance?

Use the heatmap to see which voltage/frequency points your GPU most frequently uses and where Boost Clock behavior concentrates, then move or reshape the V/F curve to favor those voltages and frequencies the GPU prioritizes. MSI Afterburner records 256 historic V/F positions, so you can base curve adjustments on actual workload behavior across gaming and non-gaming scenarios to optimize settings and improve overall performance.

Q: Does the article specify which MSI Afterburner version will include the heatmap feature?

Yes. The article states the heatmap is expected to be part of MSI Afterburner’s next Beta release, v4.6.7 beta4. It also notes there is no word on when it will reach the official version.

MSI Afterburner is adding heatmaps to the V/F curve editor to give users a clear look at how their GPU is performing across frequencies and voltages.

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Kosta Andreadis

Senior Editor

Published Jul 15, 2026 2:58 AM CDT

1 minute & 30 seconds read time

TL;DR: MSI Afterburner will add a heatmap to the V/F curve editor (v4.6.7 beta4), visualizing 256 historic voltage/frequency points to show which V/F states a GPU uses most, helping users understand DVFS differences in GeForce RTX 50 Series vs prior generations and optimize overclocking.

Voice: Kosta AndreadisSpeed

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MSI Afterburner has been the go-to GPU overclocking and monitoring tool for several generations, and right now, when it comes to tinkering with frequencies and voltages on GeForce RTX 50 Series GPUs, it's something we still use regularly at TweakTown. For a tool with as much legacy as MSI Afterburner, you might be surprised to learn that its development is led by a single person who goes by the handle of Unwinder.

MSI Afterburner is getting heatmaps for the V/F curve editor to showcase exactly how your GPU is behaving, image credit Guru3D/Unwinder.

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In a new post on the Guru3D forums, Unwinder has teased an impressive update coming to the next beta release of MSI Afterburner. And it's the addition of a heatmap to the V/F curve editor, giving users and overclockers a better understanding of how their GPUs behave when Boost Clock speeds are pushed. The heatmap you see here was captured on a GeForce RTX 5090, which showcases different behavior compared to the previous generation's GeForce RTX 4090.

This heatmap provides a visual representation of the voltage/frequency points that are most used. This will give users a far better understanding of how their GPU behaves when overclocked (or not) and enable them to use that data to optimize settings and improve overall performance. Unwinder says that the heatmap also provides clear data on how the GeForce RTX 50 Series differs from previous generations due to changes to DVFS (dynamic voltage frequency scaling).

Frequently Asked Questions

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Question #1

What exactly does the new heatmap in the V/F curve editor show about voltage and frequency behavior?

Question #2

How many historic V/F curve positions does the heatmap record and display?

Question #3

How can I use the heatmap data to adjust my GPU's V/F curve for better performance?

Question #4

Does the article specify which MSI Afterburner version will include the heatmap feature?

Have a question not listed here? Ask below and TweakBot will answer it.

The heatmap records and displays 256 historic V/F curve chart positions, and with this data, users can adjust the curve based on the exact voltages and frequencies their GPUs prioritize across various gaming and non-gaming workloads. The update is expected to be part of MSI Afterburner's next Beta release, v4.6.7 beta4, with no word on when it will reach the official version.