Upgrade the PC you already own
No new build, no parts list. Pick a tool below to find the best GPU or CPU upgrade for your exact PC — and whether it'll actually fit, power and pair.
Graphics card
Best GPU upgrade
Enter your PC once — see every graphics card that fits, powers & pairs, ranked best-first with the % jump over your current card.
Open →Check a GPU
Got a specific card in mind? Check whether it fits your case, your PSU can drive it, and your CPU won’t hold it back.
Open →GPU guides
Specs, PSU & connector needs, case fit and no-bottleneck CPUs for 100+ graphics cards, RTX 50 / RX 9000 back to GTX 900.
Open →Processor
Best CPU upgrade
The fastest processors that drop into your existing motherboard (same socket) — and whether a CPU upgrade even helps your gaming.
Open →Check a CPU
See if a specific CPU fits your socket, is actually faster, pairs with your GPU, and won’t cook your cooler.
Open →CPU guides
Browse 100+ CPUs by socket: the best drop-in upgrade for each and the strongest GPU it can drive.
Open →Why PartVerdict
GPUs and CPUs are expensive, so most people upgrade one part of an existing PC rather than build a new one. But the wrong pick trips people up — a card that's too long for the case, a PSU without the right connector, a CPU on the wrong socket, or a bottleneck that wastes your money. PartVerdict checks all of that against the PC you already have, using data cross-checked across multiple trusted sources. How it works →