AMD · Upgrade guide
Will the Radeon RX 7900 GRE fit and work in your PC?
Everything you need before you buy a Radeon RX 7900 GRE as an upgrade: the power supply, the power connector, whether it fits your case, and which CPUs won't hold it back.
Check it against your exact PC →🔌 Power & connectors
NVIDIA/AMD recommend at least a 700 W power supply for the Radeon RX 7900 GRE, and it draws power through 2× 8-pin. Make sure your PSU actually has that cable free — it's the #1 reason a GPU upgrade gets returned.
📏 Will it fit your case?
The Radeon RX 7900 GRE is 267 mm long and 2.5 slots thick. It fits 64 of 66 popular cases we track, including 8 small-form-factor (ITX) cases.
Tightest cases it still fits: Lian Li A4-H2O (ITX), Lian Li Q58 (ITX), Fractal Terra (ITX), NZXT H210 (ITX).
🧠 CPUs that won't bottleneck it
The faster the GPU, the more CPU you need — and lower resolutions lean harder on the CPU. Minimum recommended CPU for the Radeon RX 7900 GRE by resolution:
"Won't bottleneck" means your CPU can keep the Radeon RX 7900 GRE busy at that resolution; the chips shown are the most affordable that qualify. Specific games still vary.
Does the Radeon RX 7900 GRE fit your build?
Enter your case, PSU, CPU and motherboard and get an instant fit / power / bottleneck verdict for your existing PC — no parts list to build.
Run the check →