My current PC has an i5-12600K, RX 6800 XT, and 32GB of DDR4-3200 memory. I mainly use it like a console on a 65-inch Sony X950H at 4K and 60 FPS. For the RPGs I play, I can usually maintain a locked 60 FPS by adjusting settings and using FSR.
My daughter's PC has an i7-8700, RX 6700 XT, and 32GB of DDR4-2400 memory. She plays at 1440p, and with some settings adjustments and FSR, that system also provides playable performance.
I'm considering moving my PC to a newer Sony X90L, which supports up to 4K/120Hz, and upgrading my graphics card. I would give my RX 6800 XT to my daughter for better 1440p performance, then sell her RX 6700 XT to help fund my upgrade. This seems like a practical way to improve both systems without building a new PC, especially with current memory prices.
What would I realistically need to spend for a meaningful upgrade over the RX 6800 XT, and would it be worthwhile for 4K gaming in my situation? My Corsair case only supports graphics cards up to 300mm, which limits my choices. I'm also considering buying a larger case if that would open up better GPU options and make the overall upgrade more worthwhile.
5 Answers
The RX 9070 XT looks like the most sensible upgrade. After selling the RX 6700 XT, you might be looking at roughly $500 out of pocket, depending on prices. It should provide a noticeable improvement at 4K and give you newer features, better ray tracing, and longer driver support.
A used RTX 4080 could also be worth considering if you find one at a good price, but I wouldn’t overpay for it. Otherwise, the RX 9070 XT is probably the better new-card value for this type of upgrade.
You may want to switch to the newer TV even if you keep the 6800 XT for now. The X90L’s VRR support is useful because frame-rate dips into the 40–50 FPS range will feel smoother than they do on a fixed-refresh display. That could improve the experience without requiring an immediate GPU purchase.
Before replacing the case, filter graphics cards by maximum length. Set the limit to 300mm and compare the models that remain. There are RX 9070 XT cards under that length, so you may be able to upgrade without moving everything into a larger chassis.
At 4K, the upgrade makes more sense than it would at 1440p because the GPU is doing most of the work. A 9070 XT can deliver a substantial uplift in many games, though the improvement varies by title. Beyond that price range, the performance-per-dollar situation gets much worse, so I’d probably stop there unless you specifically want high-refresh 4K.
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