Hello everyone,
i recently upgraded from a i9 10900K + 4090 to a 7800X3D.
I can feel a general performance increase but the “usual suspects” are still there.
I still get short freezes (0.5 seconds more and less) when approaching big airports, some stutters when doing 180s turns on the ground and eventually short freezes on touch down. Those have always been there and still are. I was hoping to solve with a CPU upgrade but had no luck.
My question is: Will enabling an EXPO profile maybe solve the issues? I’m not a computer geek and always been kind of conservative trying not to push components if it’s not worth it. I remember activating XMP on my old 7700K made the system unstable but maybe things have changed.
Thanks
Ryzen 7 7800X3D
RTX 4090
Asus ROG Strix B-650 A-Gaming
32GB RAM 6000mhz CL35
Playing in 2K res.
I’ve moved your post to the Hardware & Peripherals category as it is the appropriate one for your post. Please ensure you read through the categories and place your topics in the correct one in the future!
Without EXPO active (or manually adjusting speeds) your RAM will only be running at the DDR5 default 4800MHz.
Systems should run ok using the RAM’s XMP/EXPO profiles, there’s absolutely no harm in enabling it and seeing if it’s more stable than your previous experience.
Not sure whether doing so will have any effect on your freezes tho’. Are you using DX11 or 12?
When I set my memory to its XMP DDR5-7200 profile I can tell an increase in smoothness (I believe the default is DDR5-4800). I believe one of the main reasons why people get instability with their XMP/EXPO profiles is that the memory kit is not on the motherboard manufacturers qualified vendors list as being fully compatible.
One other thing that is extremely important for XMP/EXPO compatibility is to make sure your bios is up to date as AMD has recently resolved a lot of memory issues in their latest AGESA v1.0.0.7+ component.
Even if there are stability issues with XMP etc. enabled, its possible to tweak the timings manually.
I originally bulit my system with 2x16GB gskill 6000, and subsequently added a second pair which had a slightly different timings ( CL36-36-36-76 vs CL36-36-36-96). Realised this was a bit of a risk - particularly with four sticks - but after a few initial BSODs it’s been fine at 5800MHz.
