I've upgraded my PC gradually over the last decade and know enough to install parts, but I'm not very confident choosing hardware. I mainly play simulation and management games, along with some RPGs, and newer titles are starting to drop to slideshow-like frame rates. I'd like to spend less than $500 on a meaningful upgrade, though I'm concerned that replacing the motherboard and CPU might be necessary. My current system has an Intel Core i7-6700K, Radeon RX 6800 XT, 32 GB of DDR4 memory, a 500 GB SSD, an ASRock H110M-HDS motherboard, and a 750W Seasonic Focus PX power supply. I play at 4K and 60Hz on an Acer XB281HK monitor.
4 Answers
A CPU and motherboard upgrade makes the most sense here. A Core i5-14600K or 14600KF paired with a B760 board that supports DDR4 would give you a large jump while letting you keep your existing memory. Your 6800 XT and 750W power supply should still be suitable, so this can fit comfortably below $500 depending on the board and cooler.
For a lower-cost route, a Ryzen 5 5600 or 5600X with a B550 motherboard would be a sensible value upgrade, especially since you can reuse the DDR4 kit. It won’t be as fast as the higher-end X3D or newer Intel options, but it should still be a substantial improvement over the 6700K and leave room in the budget for a larger SSD.
Another option is a Ryzen 7 5800X3D with a B550 motherboard. It’s particularly strong in simulation and strategy games because of the extra cache, and it lets you reuse your DDR4 memory. Just check whether your current CPU cooler is compatible and adequate before buying.
Before replacing major components, check the SSD. If that 500 GB drive is nearly full, adding a reputable 1 TB or 2 TB SSD and keeping at least roughly 20–25% of the boot drive free can help avoid storage-related slowdowns. Since you confirmed games are running from the SSD and it has only about 10% free space, expanding storage is worth considering, although it probably won’t fix CPU-limited frame rates by itself.

The games are installed on the SSD, not the older hard drive. The SSD is currently around 90% full—would freeing up more space really make a noticeable performance difference?