Minecraft poor performance and Resizable BAR not enabling

[Binga]

I recently built a new pc using a B580, and I have noticed very poor performance in Minecraft Java edition, about 30 fps average with no mods installed. I tried to troubleshoot it, including using Modrinth to launch the game and updating bios, but nothing helped. I checked to make sure that ReBAR and Above4g Decoding was enabled in bios, and that Compatibility Support Module was turned off. I checked in ARC Control Panel that the gpu was hitting proper boost clocks when in game. In the control panel, it shows that ReBAR is disabled, even though I made sure to enable it in bios. I don't know why the gpu didn't detect it as enabled. When in game, the gpu is at 100% utilization, and is not thermal throttling, but 30 fps seems too low even for intel's subpar OpenGL performance.

Specs:

CPU: AMD Ryzen 5 5500

GPU: Intel ARC B580

16 GB DDR4 3200 CL16 RAM

Mobo: Gigabyte B550m Gaming X Wifi6

PSU: ASRock Steel Legend SL650G

Bios Version: F4

Intel GPU Driver Version: 32.0.101.8531

I've included my video settings if they help.

[VonM_Intel]

Hi Binga,
Thank you for posting in our Community. The low performance in Minecraft: Java Edition and the Resizable BAR status appearing disabled in Intel Arc B580 are definitely things we should take a closer look at. Your system specifications and the BIOS configuration steps you mentioned are helpful, and I’d like to gather a few more details so we can better understand what might be happening. Could you please help confirm the following information?

• You mentioned that you already checked the BIOS settings, but could you please confirm the following again:

  • Above 4G Decoding – enabled

  • Resizable BAR Support – enabled (not set to Auto if that option exists)

  • CSM (Compatibility Support Module) – disabled

  • All three of these settings must be configured correctly for Resizable BAR to function properly with Arc graphics cards.

• You mentioned that your Gigabyte B550M Gaming X WiFi6 is running BIOS version F4. Could you please confirm whether this is currently the latest version available from the motherboard manufacturer? Some BIOS updates include compatibility improvements for Resizable BAR and GPU initialization.
• Could you confirm whether your monitor is connected directly to the graphics card, and which port you are using (DisplayPort or HDMI)? This ensures the display output is coming from the Arc GPU and not through another device or adapter that could affect detection or performance.
• When you are playing Minecraft:

  • Does the FPS stay around 30 FPS consistently, or does it fluctuate?

  • Do you notice any performance improvement if you reduce render distance or graphics settings?

  • This helps determine whether the limitation is related to GPU load, game settings, or another system bottleneck.
• When installing driver version 32.0.101.8531, was it installed as a clean installation, or was it installed over a previous driver version? A clean installation helps rule out potential conflicts with older driver components.

I'd like to delve deeper and verify specifics like the graphics models, precise driver versions, and any system errors. Utilizing the Intel SSU tool will enable me to collect detailed information about your system setup, which could aid in identifying the underlying cause of this issue.

Additionally, could you please provide CapFrameX data for this game? This will allow me to analyze performance metrics in more detail and identify any potential issues. Ideally, please share a CapFrameX file that includes at least 2-5 minutes of gameplay.

Have a nice day!

Best regards,

Von M.
Intel Customer Support Technician

[Binga]

Thanks for offering to help!

Above 4g decoding-enabled

ReBAR-Auto (no "enabled" option)

CSM-Disabled

BIOS F4 is the latest version for this motherboard.

Monitor is connected directly to the gpu with an hdmi cable.

Fps fluctuates in game, from around 40 to 50 when standing still to 20 to 30 when moving around. Vsync is turned off, so that isn't limiting frame times. If it helps to diagnose, I get 300+ fps when I look up at the sky, with no blocks rendered.

Reducing render and simulation distance improved fps, but not by a lot. Even at 4 chunks for both render and simulation, I was struggling to get over 65 fps when standing still. 

The driver was a clean installation as it was a new build.

I couldn't get CapframeX to work. When I tried to open it it would say that it wasn't working and it gave me options to cancel, repair, or uninstall. I clicked repair and that didn't work so I uninstalled, reinstalled it, clicked repair again and it didn't work. I didn't have time today to install the SSU tool, so i'll get that information within the next few days.

[Binga]

Also, when I decreased the render distance, GPU load in task manager was still at 100%.

[VonM_Intel]

Hello Binga,

Thank you for the detailed information and for taking the time to test those settings. It’s good to know that the monitor is connected directly to the GPU via HDMI and that the driver installation was performed as a clean install on a new build. Based on your observations, the FPS behavior you described, especially the higher frame rate when looking at the sky and the significant drop when rendering blocks, suggests that the workload increases heavily when the game starts rendering more objects. Your note that the GPU utilization remains at 100% even when reducing the render distance is also very helpful for our analysis.

Regarding the diagnostic tools, thank you for attempting to run CapFrameX. Since it did not launch properly, no worries, please go ahead and install and run the Intel System Support Utility (SSU) when you have time. Once completed, kindly share the generated report so I can review the full system configuration and continue investigating this with you.

Once I receive the SSU report and your confirmation about the mods, I’ll be in a much better position to analyze the situation and guide you toward the next steps.

Have a nice day!

Best regards,

Von M.
Intel Customer Support Technician

[Binga]

I've attached the SSU report.

You mentioned mods in your previous message. Do you mean mods to the game? If so, I'm not currently running any mods, only using the official Minecraft Launcher and a vanilla instance in Modrinth.

[VonM_Intel]

Hello Binga,

Thank you for sharing the SSU report.

Yes, when I mentioned “mods” in my previous message, I was referring to mods to the game. Thank you as well for clarifying that you are currently running the game without any mods and are only using the official Minecraft Launcher with a vanilla instance through Modrinth. This information is very helpful for my investigation since it confirms that the behavior is occurring in a clean game environment.

Regarding the CapFrameX data please go ahead and install. Kindly share a CapFrameX file that includes at least 2-5 minutes of gameplay. This will allow me to analyze performance metrics in more detail and identify any potential issues.

Best regards,

Von M.
Intel Customer Support Technician

[Binga]

I tried to run capframex, but it didn't work again. I made sure to do a clean install of both it and RTSS, but when I launched it, it said another instance was already running, even though when I checked in task manager, it wasn't.

[VonM_Intel]

Hello Binga,

Thank you for the update and for sharing the details of what happened when you tried running CapFrameX. I also appreciate you taking the extra step to perform a clean installation of both the application and RivaTuner Statistics Server (RTSS). I understand that you encountered a message indicating that another instance of the application was already running, even though it was not visible in the Task Manager. At this point, I will continue to look into the issue further and conduct additional research regarding this behavior. Once I have gathered more information or identified possible steps to address the problem, I will post an update here on this thread.

Thank you for your patience and cooperation while I review this further. 

Best regards,

Von M.
Intel Customer Support Technician

[Binga]

Hello Von,

I recently did some testing with shaders and the distant horizons mod, and I noticed that my fps doesn't decrease much when using shaders or the mod. I created a new minecraft instance on modrinth from a modpack called "Enhanced FPS (NeoForge)" on minecraft 1.21.8, and I downloaded Distant Horizons and Complementary Shaders. I got about 40-50 fps with the shaders at the medium preset and Distant Horizons on the "I Paid For the Whole CPU" setting. I noticed in the distant horizons logging message that it was generating chunks extremely slow, about 20-30 chunks per second, and in task manager, cpu load was only 30%. I was expecting about 80-100 chunks per second and 100% cpu utilization. I checked and it is at 65*C, and my pc fans are basically silent. Regarding the shaders, when I disabled them, my FPS didn't improve at all. With or without shaders, my gpu utilization was 100%, but I still got 40-50 fps. In addition, I played rocket league and my fps was very smooth, so it seems this is specifically a minecraft problem. Here is the link to the modpack, I simply added distant horizons and shaders to it:

https://modrinth.com/modpack/enhanced-fps-forge 

[Mike_Intel]

Hello Binga,

Thank you for the post.

I am providing this update on behalf of Von.

Please check the hidden tray (overflow menu) in the taskbar and click on the CapframeX.

Please try to install the latest driver using DDU. Kindly refer to the link below on how to perform DDU and the direct link of the latest driver.

How to Use the Display Driver Uninstaller (DDU) to Uninstall a...

Intel® Arc™ Graphics - Windows*

If issue persists, please try using the 32.0.101.8135

If you have questions, please let us know. Thank you.

Best regards,

Michael L.

Intel Customer Support Technician

[VonM_Intel]

Hello Binga,

Have you had a chance to review my previous response? Please let us know if you require any further assistance. I'm here to help.

Best regards,

Von M.
Intel Customer Support Technician

[Binga]

Sorry, I haven't had time to try DDU yet. I'll do it when I have spare time.

[VonM_Intel]

Hello Binga,

No worries at all. I completely understand. Please feel free to try using DDU whenever you have some spare time. There’s no rush on this, and I’ll be here to assist you once you’ve had the chance to complete the step. Just let me know how it goes or if you need any guidance along the way.

Thank you for the update.

Best regards,

Von M.
Intel Customer Support Technician

[VonM_Intel]

Hello Binga,

I would like to follow up with you and ask if you got a chance to look at my previous post.
Thanks in advance for all your inputs on this one.

Best regards,

Von M.
Intel Customer Support Technician

[Binga]

Sorry, I haven't had time to do it yet. My life got busy suddenly. Thanks for your patience.

[VonM_Intel]

Hello Binga,

Thank you for the update, and no worries at all. I completely understand that things can get busy unexpectedly. To make it easier for you, we can temporarily close this thread for now. Once you have the time, you’re welcome to create a new thread and paste your previous details (Community Thread link) there so we can continue assisting you seamlessly.

We appreciate your patience, and we’ll be ready to pick things up whenever you’re back. Just let me know.

Thanks!

Best regards,

Von M.
Intel Customer Support Technician

[VonM_Intel]

Hello Binga,

Have you had a chance to review my previous response? Please let us know if you require any further assistance. I'm here to help.

Best regards,

Von M.
Intel Customer Support Technician

[EnricoB_intel]

Hello Binga,

Since I haven’t heard back from you, I’ll go ahead and close this inquiry for now.

If you need any further assistance, please feel free to submit a new request, as this thread will no longer be monitored.

Best regards,

Enrico B.

Intel Customer Support Technician