I'm building a PC on a tight budget of about $300 to $350, but RAM prices are quite high right now. I'm considering using my existing DDR4 2133MHz RAM instead of buying new sticks. I don't play AAA games often, although I might play titles like Elden Ring and Where Winds Meet in the future. Currently, I enjoy games like WUWA, ZZZ, and modded Minecraft with shaders. Here's what I'm planning for my build:
- **PSU**: Thermaltake Smart 500W 80+
- **CPU**: R5-3600
- **GPU**: RTX 2060 SUPER
- **MOBO**: A320M (still deciding on options)
Would using the 2133MHz RAM significantly affect my performance?
4 Answers
The 2133MHz RAM is pretty slow, and you might see a performance dip compared to faster options. I've experienced a noticeable difference when overclocking RAM, so unless you’re in a tight spot, I'd be hesitant to go with that speed. Also, keep an eye on your PSU; it might cause issues down the line.
Keep in mind, if your RAM has XMP support, you might be able to overclock it. And dual-channel memory will help with performance too. If you can snag 3000MHz RAM for a similar price to the 2133MHz, that’s likely the better route!
Using 2133MHz RAM could cost you about 5-10% in performance, especially with Ryzen CPUs, which are sensitive to RAM speed. If budget is a major concern, it's a trade-off you might have to make, just be aware of the slight performance hit.
Though 2133MHz will bottleneck your Ryzen 3600 a bit, it should still work fine for now. You might want to upgrade later for better performance, especially for games like Elden Ring and modded Minecraft, but you can definitely use this RAM for the time being.

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