Cyberpunk 2077 runs worse on AMD CPUs, here's how to gain more FPS on Ryzen processors

Written by Stuart Thomas on Tue, Dec 15, 2020 1:00 PM
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The launch of Cyberpunk 2077 has been riddled with bugs, on top of the already extremely demanding performance. Whilst CD Projekt Red continue to work on updates up until February, a problem has been found online that has to do with AMD CPUs. So if you’re using a Ryzen processor, here’s how you can boost your FPS.

Essentially, the bug means that Cyberpunk 2077 won’t be using up all of the logical cores on AMD CPUs, and instead will just use the physical ones. That means if you have a 6-core 12-thread processor like the brand new Ryzen 5 5600X, then CP2077 will only use 6 threads rather than the available 12. Intel chips are fine though and so don’t need this fix.

This could then be affecting your performance, and you stand to gain a slight boost in FPS if you apply this simple fix (if you’re using an AMD processor that is).

How to check if your AMD CPU is not utilized properly in Cyberpunk 2077

First of all we should check whether this issue is happening to you at all. The first thing you should do then is open up Task Manager, navigate to the “performance” tab, click on “CPU” and then right-click the big graph on the screen and select “change graph to > Logical Processors”. Here you will now see all the logical processors on your system.

Now launch Cyberpunk 2077, and if only half of your logical processors are actually being used (or used much more than the other half), then this is issue is likely affecting you and you should follow the following steps to fix it:

Cyberpunk 2077 AMD CPU fix

Luckily for us, the fix is rather simple and you can get back to gaming with a slight boost in performance. Don’t expect your frame rates to double with this solution, but judging by how demanding Cyberpunk 2077 is already then any amount of FPS gain is optimal.

First of all you’ll need a Hex Editor if you don’t already have one. You can download HxD here, which is free.

Next, you’ll need to run HxD and open the Cyberpunk2077.exe file which can be found in the following locations on PC:

  • GOG: C:\Program Files (x86)\GOG Galaxy\Games\Cyberpunk 2077\bin\x64\
  • Steam: C:\Program Files (x86)\Steam\steamapps\common\Cyberpunk 2077\bin\x64

Once you’ve opened the file, search for a specific string of Hex values the easiest way to do this is press Ctrl+F to initiate a search, and enter the following value: 

75 30 33 C9 B8 01 00 00 00 0F A2 8B C8 C1 F9 08

You then need to change the “75” from the first two digits of the string to “EB” (the value will change to a red color to show that you have edited it). Afterwards, the new value should look like this:

EB 30 33 C9 B8 01 00 00 00 0F A2 8B C8 C1 F9 08

Now save and exit out of HxD and voila! You should see all your logical processors are now being utilized properly whilst playing Cyberpunk 2077. Hopefully this should boost your FPS by a little and even possibly reduce some stuttering. Results will vary from player to player so let us know how you got on and how much it improved performance for you!

What do you think? Have you applied the fix? How much performance did you gain? Did you notice any significant improvements? And any other fixes you have found to improve performance? Let us know!

Have you noticed a performance improvement after applying the fix?

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19:56 Dec-16-2020

i messed up the first time, it wouldn't open. I verified my files n tried again. this time i did it right n some slight improvement

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06:39 Dec-16-2020

Sadly the code will change once they update the game, so where will I find a new one then?
And yes this worked

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11:48 Dec-16-2020

Just keep replacing the HEX, that doesn't change with a game update, unless they actually fix the issue. I have to do this when games don't support 21:9, shenmue 3 had an update and i replaced the hex after the update and it worked fine.

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22:33 Dec-15-2020
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20:01 Dec-15-2020

There is a mod on Nexus Mods that does this (and more, like RAM allocation) and works quite well at least for me named Cyber Engine Tweaks (at the time of this comment).

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12:39 Dec-16-2020

Link?

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12:50 Dec-16-2020

sorry, just seen name of it

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13:31 Dec-16-2020

No problem, I didn't put the link in the comment as I'm not certain about the rules concerning hyperlinks in GD's comments.

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18:57 Dec-15-2020

I am getting not found error for 75 30 33 C9 B8 01 00 00 00 0F A2 8B C8 C1 F9 08

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19:12 Dec-15-2020

Cracked exe? :D

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19:50 Dec-15-2020

I think you aren't using the Hex-values in the Find pop up screen, i needed to change to those for it to appear, and it wasn't even a one straight like of code, but instead the series, it continued to the next row. After that you just click it, not mark it, use the backspace and type EB, save and you're done. Kinda easy once you know what you're doing.

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19:31 Dec-16-2020

I had the same problem. I noticed on the search, I was using text values and not hex values, so make sure its on hex value and then it pops up

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02:17 Dec-17-2020

exactly, i was getting mad -.-

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18:49 Dec-15-2020

So this issue stems from the game looking for an AMD cpu and treating it like a bulldozer era cpu.
Such a huge oversight from the developer.

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19:13 Dec-15-2020

The entire game seems like the programmers were half-asleep...

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23:14 Dec-15-2020

if they were all half-asleep, we might have ended up with a better game.

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18:33 Dec-15-2020

Noticed 7 fps more avg and 1% lows increased by 10 fps, it is still sad that we are doing the developer work ...

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17:08 Dec-15-2020

On my 3300x i went from 50-60% usage on cpu and gpu to 90% cpu and 100% gpu and fps from 45 avg to 65 avg very nice bump

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18:34 Dec-15-2020

nice to hear, i also found out that i was getting 15% more cpu utilization

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15:33 Dec-15-2020

My 5900x went from 20-30% usage to about 50-60% usage. That being said not much improvement in fps as expected, as the 5900x even with half logical cores active is very capable of handling the game, and I play at 4k with dlss on so I am gpu bound.

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15:07 Dec-15-2020

My test results (50 second benchmark driving with a bike near the apartment).
Playing at mixed settings with 0.8 resolution scale at 1440x3440
Listed are avg fps, 1% low, 0.1% low
Before the fix:


47.8, 20.2, 14.4


47.2, 19.0, 11.9


47.2, 19.1, 12.7


After the fix:


48.9, 26.9, 20.0


49.2, 29.1, 21.3


48.9, 29.5, 23.1


Game runs noticeably smoother after the fix.

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16:10 Dec-15-2020

The avg gained 2 fps, so not much, but the improvement in lows is huge. Nice!

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14:46 Dec-15-2020

There's also another fix relating to the memory of your system as the game appears to only use some and not all available memory on some systems:


Go to the Cyberpunk 2077 game folder then engine>config and edit the following file - memory_pool_budgets.csv


Change the PC Column - PoolCPU 1536MB to Your System Memory e.g 16GB
Change the PC Column - PoolGPU 3GB to Your GPU VRAM e.g 8GB

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14:49 Dec-15-2020

This fix works for both AMD and Intel/Nvidia setups. Some users have reported up to a 50% increase in performance where others haven't noticed much change, but it may be worth trying.

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17:04 Dec-15-2020

Do i have to set all the other settings as well? the Durango and Orbis one? or only modify the PC section?

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11:16 Dec-16-2020

Only modify the PC section.

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06:54 Dec-16-2020

Unfortunately this "fix" did nothing for my system

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11:19 Dec-16-2020

Yeah according to reports it seems to work for some folks but not all. Could be those with higher VRAM are benefitting the most.

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14:14 Dec-15-2020

Nice. All threads are quite well utilized now. Haven't yet noticed the benefit, but will need to do more testing.

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14:18 Dec-15-2020

As I said to the fellow below, it's going to show diminishing returns on higher-end processors.

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13:56 Dec-15-2020

If you read this article then go do what it says, cuz' it changed the game from an unplayable mess on medium- high to a totally smooth game on high ultra


Ryzen 1500x overclocked to 3.9 Ghz
GTX 1070 8 GB VRAM

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14:00 Dec-15-2020

It seems like this fix makes it much better for lower-end CPUs where every thread matters (such as your quad core), but the gains will start diminishing as the number of cores increases. Good to hear that you got it to be more stable!

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15:35 Dec-15-2020

I agree I didn't notice much ingame performance difference.

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11:37 Dec-16-2020

Well it worked nicely for a while (a lot better than before) but it started crashing after about 3 hours. I think I crashed 4 times during the braindance mission. I also modified the memory pool csv file but reverted it after it started crashing but it didn't fix the problem. Guess I'll wait for the patch that's coming on the 21st of December.

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11:40 Dec-16-2020

I'm sooo tempted to give this game a try, but all the stuff I keep reading about the bugs, quest issues, missing features and wacky controls... Painful, but I must wait :D

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13:52 Dec-15-2020

"You can download HxD here"


I'm assuming there was supposed to be a link there?

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14:17 Dec-15-2020

Ah good spot! Thanks for the heads up, we've added a link now

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14:21 Dec-15-2020

Cheers, glad to be of help!

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13:34 Dec-15-2020

Again...THANK YOU:-)

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