Last Updated on 1st February 2023
AMD Radeon Software is a fantastic tool that allows us to change our GPU and Hearts of Iron IV settings, fine-tune fan speeds, monitor temperatures, and even overclock/ undervolt / underclock our GPU for the best performance possible in Hearts of Iron IV.
According to AMD, you can get more than 40% more performance out of your existing hardware without spending a dime. It would be a pity not to get this extra performance in Hearts of Iron IV and leave the settings on default.
Below you can find the Best AMD Radeon settings for Hearts of Iron IV, with explanations and suggestions for each setting so you can tweak them to your needs.
Before you optimize the AMD settings for Hearts of Iron IV, I highly recommend uninstalling any previous drivers and downloading and installing the right AMD driver for Hearts of Iron IV on your computer. If you are unsure which driver you should get, you can check out my list of the best AMD drivers for each game, including Hearts of Iron IV.
Best AMD Radeon Settings for Hearts of Iron IV
Assuming you installed the best AMD driver for Hearts of Iron IV, you can go to your Desktop, Right-click, and then select “AMD Software” to open up the panel itself, where you can adjust all the AMD Software settings.
Best AMD Graphics tab settings for Hearts of Iron IV
To navigate to the Graphics tab, click on Gaming – > Games -> Global Graphics.
Now you should be able to see several default profiles by AMD. Click on the eSports profile since it has some of the best settings by default.
Okay, now you can see a list of settings. We will go through them individually and choose the best AMD settings for Hearts of Iron IV.
Reduces input lag in Hearts of Iron IV by decreasing the time between your clicks and the output you see on the screen.
Keep it Disabled if you have a decent to high-end PC. Only enable it if your PC struggles to run Hearts of Iron IV properly.
Radeon Chill: Dynamically regulates framerate to save power when that’s possible.
Keep it disabled on any desktop computer. You can enable it on your Laptop if you are playing Hearts of Iron IV without a charger.
Lowers your resolution dynamically to increase performance.
On medium/High-end PC, keep it disabled since you most probably won’t see any difference.
On the other hand, if you have a really low-end pc or laptop, you can try and Enable it.
Radeon Image Sharpening
Improves visuals for a minimal performance cost( Totally worth it).
Set it to enabled because it will make Hearts of Iron IV look better and sharper, increasing your visibility.
Sharpness: This is a personal preference. I like to keep it between 70% and 90%
Radeon Enhanced Sync
It reduces tearing and lag when Hearts of Iron IV’s fps are higher than your monitor’s refresh rate.
Personally, I use Freesync, so I always keep this disabled since it doesn’t improve tearing or lag in my case. Many users have reported unstable performance when enabling this option; others say it works wonders. The best you can do is test it yourself and see what works best for you!
Wait for Vertical Refresh(V-sync)
Locks your FPS to your monitor’s refresh rate.
Improves image quality by reducing jagged edges from textures
Use application settings and change it from Hearts of Iron IV’s settings.
Improves image quality by reducing aliasing at the edge of the textures
Choose on your own, depending on your needs. I will shortly describe the performance/visual balance so you can decide depending on your playstyle.
- Multisampling: This will give you the best FPS in Hearts of Iron IV but lower quality than the rest.
- Adaptive Multisampling: The middle of these two options in terms of visuals/ performance.
- Supersampling: Best visuals, but it’s graphically demanding, and it will tank your frames in Hearts of Iron IV.
It’s an Anti-Aliasing technique that can be combined with the three AA modes. It claims to have a similar effect to SSAA, but less of a performance hit.
Disabled. It’s worth experimenting in Hearts of Iron IV, though and check if you like it.
Increases and sharpens the quality of textures on surfaces that appear far away or at odd angles.
Personally, on my RX5700xt, I keep this enabled and 16x.
- Disabled: For the best performance possible in Hearts of Iron IV ( More FPS )
- Anisotropic Filtering Level 2x, 4x, 8x, 16x: Depending on your GPU, make a few tests, and see which one gives you the best quality/performance balance.
Texture Filtering Quality
Changes texture quality depending on the option chosen. It has the lowest impact on visual quality compared to the rest of the settings.
Performance is the best option for Hearts of Iron IV.
Surface Format Optimization
Enables the graphic driver to change rendering surface formats. This results in improved performance and GPU usage, but it’s an outdated setting used years ago and unlikely to increase performance in modern games.
It won’t mess anything up, so you can keep it enabled just in case it helps your performance in Hearts of Iron IV.
Enhances the details of the objects. It dramatically impacts the performance of games that use a high level of tessellation.
- Override application settings – OFF: Best performance possible (Highest FPS)
- Use application settings: The best option for Performance / Quality balance
- x64: Highest visuals quality possible, but has a noticeable impact on GPU ( It depends how much notice it depends on your GPU)
OpenGL Triple Buffering
Not many games/apps use the OpenGL API nowadays, but for those who do(Here is a list), this setting can give you a smoother experience. Hearts of Iron IV doesn’t support OpenGL.
Disabled, unless your game/app support it.
Reset Shader Cache
Stores shaders for games locally on your disk to greatly improve loading times. I recommend you perform a reset every 6-12 months since it eats up a lot of space after some time.
These were the best AMD Radeon settings for Hearts of Iron IV, but we are not done yet. Now let’s move to the Display tab of AMD Radeon Software.
Best AMD Radeon Display Tab settings for Hearts of Iron IV
The display tab is next to the graphics tab, where we previously optimized the settings.
AMD Freesync / AMD Freesync Premium
A technology that synchronizes your monitor’s refresh and graphics card, adapting the monitor’s refresh rate to the GPU.
Enabled. Your monitor and GPU must be free sync compatible for this option to be available. If you have this option, then I highly recommend you enable it since it will make Hearts of Iron IV much smoother if you get lower frames than your monitors refresh rate.
Virtual Super Resolution
This setting opens resolutions higher than your monitor can ( for example, 2k on a 1080p monitor), then shrinks the resolution down to your monitor size, resulting in a crisper picture.
It depends on your needs and GPU capabilities.
GPU Scaling/Scaling Mode
This setting uses your graphics card to fit the resolution of whatever you are running on your screen.
Test it to see what works best for you.
Color depth/Pixel Format/Custom Colors
I prefer to keep the default ones but you can find some tutorials on youtube and play around with these.
On this tab, you will find two settings, Voltage Swing and PreEmphasis. If you are experiencing black screens and flickering in Hearts of Iron IV, play around with these two settings by changing their values. If you don’t have any of these issues, I recommend you not change these values.
A quick sum up of the best AMD Software Settings for Hearts of Iron IV
Below you can find a brief summary of the best AMD settings we discussed above in case you want to copy/paste them.
- Radeon Anti-Lag: High-End system: Disabled / Low-End system: Enabled
- Radeon Chill: Disabled
- Radeon Boost: Disabled
- Radeon Image Sharpening: ON + 80%
- Radeon Enhanced Sync: Disabled
- Wait for Vertical Refresh(V-sync): Disabled
- Anti-Aliasing: Use Application Settings
- Anti-Aliasing Method: Personal Preference
- Morphological Anti-Aliasing: Disabled
- Anisotropic Filtering: Enabled + Personal Preference
- Texture Filtering Quality: Performance
- Surface Format Optimization: Enabled
- Tessellation Mode: Use Application Settings
- OpenGL Triple Buffering: Disabled
- Reset Shader Cache: Twice a year.
- AMD Freesync / AMD Freesync Premium: Enabled
- Virtual Super Resolution: Test it
- GPU Scaling/Scaling Mode: Disabled / Test
- Color depth/Pixel Format/Custom Colors: Defaults
- Overrides: Read above.
Other FPS Improvements for Hearts of Iron IV
If you are looking for other ways to have the best possible gaming experience in Hearts of Iron IV, you can check out my guides on boosting FPS in Hearts of Iron IV and lowering ping in Hearts of Iron IV.
Please note that these settings may not be appropriate for every person on this planet, and we all have different playstyles and preferences regarding quality and performance. To summarize, the above AMD Radeon Software settings are intended for gamers who want the absolute best performance possible in Hearts of Iron IV.