I just bought a Ryzen 7 9800X3D and some RAM at my local store. I was supposed to get a 2x24GB kit of DDR5-6400 CL32 RAM for $238, but I ended up with a 2x32GB DDR5-5600 CL40 kit instead for $250 without realizing the speed difference. Since my other components won't arrive for a while, I have time to decide whether to keep the RAM I got or return it for the originally planned kit. Will the latency difference really affect my performance in any significant way, or should I take the risk of returning it given the rising prices in the RAM market?
5 Answers
I've heard that with the X3D chips, RAM speed matters less than with regular Ryzen processors. If you’re fine with the performance you're currently getting, then you might as well keep it and enjoy the peace of mind. But if it’s gonna bug you, just swap it out!
True, games are more influenced by your cache than by RAM speed with these CPUs. As long as you're using EXPO for tuning, you'll be alright.
Honestly, if you’re mainly gaming with that 9800X3D, I'd recommend returning the RAM for something faster. A 2x16GB 6000 CL30 kit would serve you better, especially with the way RAM prices are these days.
Yeah, I get it. I do a lot of software development, and while 64GB sounds nice for multitasking, I’m not sure it’s necessary. My current 2x16GB is failing, and I’m just hoping to find the right spot for my needs.
I have 32GB and sometimes it just feels tight. But when I use my tablet with only 4GB, it works for basic stuff. I guess it all depends on what you do.
In my opinion, definitely return it. With the way memory pricing is climbing, you shouldn't settle for slower RAM when the benefits of the faster kits are clear. You want something that matches your CPU's potential. Aim for a CL30 or CL32 kit if you can afford it!
Good point! DDR5-6000 tends to perform optimally with Ryzen CPUs as they handle that speed way better. Plus, you’ll just feel better knowing you picked the best option.
Absolutely, DDR5-6400 offers significant improvements, especially for gaming—better frame rates and responsiveness. Don't settle for less!
It’s not the worst thing ever. You might see a 3-5% dip in performance for RAM-sensitive games, but for general usage, especially with an X3D chip, you’ll probably be fine. If you decide to keep it, consider manually tuning your RAM for better performance without going through the hassle of a return.
I say keep the RAM. In real-world applications, the difference might be negligible, especially being a software developer. However, if that nagging thought of ‘what if’ will haunt you, just swap it out.
Yeah, peace of mind is important. If you’re someone who will worry about it every time you boot up, I’d consider returning it to avoid that stress.
Exactly! If you could go back to a better kit today and not have that lingering thought, it’s worth it.

Exactly! The difference in gaming FPS between those speeds is usually minimal—like 5-10 FPS in most cases. If you don’t have to spend more for just a few extra frames, I’d save the cash.