When is a graphics card upgrade worth it?

An upgrade needs a reason. Perhaps a game you want to play runs badly, you want a higher resolution or refresh rate, or the card is running out of memory. If you cannot name the problem, you are probably buying a number rather than an improvement.

Write down the specific goal, such as 1440p at 100 FPS in the games you play. That tells you what the new card must deliver, and it tells you when to stop looking.

As a rule of thumb, a gain of around 30% to 40% in frame rate is where most people start to notice a clear difference. Below about 20% it is hard to notice outside a benchmark. Above 50% it is usually transformative.

To work it out, divide the new card's performance index by your current card's and subtract one. A card with an index of 60 against your 40 is 50% faster. The indices on this site are estimates, so treat a gap of a few percent as no gap at all.

The price of the upgrade matters as much as the gain. Divide the net cost, the new card's price minus what you can sell the old one for, by the percentage gain. That is the cost of each percent of extra speed, and it lets you compare two upgrade options that differ in both price and speed.

Beware of the step that costs a lot for a modest gain. Prices climb faster than performance toward the top of the range, so the last 15% of speed usually costs the most.

A new card will not help if something else is the limit. An older processor can hold back a fast card, especially at 1080p, and the bottleneck guide shows how to check. Your power supply must have the connectors and the wattage the new card needs, and the card must fit your case.

Check your monitor too. A card that renders 144 frames a second gives you nothing on a 60 Hz screen, and a 4K card is wasted on a 1080p display.

A newer card may add support for upscaling and frame generation that your current one lacks, and that can change what you can play more than raw speed does. If your card cannot use the upscaler your games offer, a modest speed gain on a newer card can feel larger than the numbers suggest.

Memory is the other thing. If a game runs out of memory on your card, the fix is a card with more, whatever its speed. A faster card with the same small pool will not cure it.

Wait if the card you want is close to a new launch, if its price is far above its launch MSRP, or if your current card still does what you need. A card that is only slightly slower than you would like is rarely worth replacing at full price.

Nobody can predict prices, so do not wait for a drop that may not come. Wait when there is a concrete reason, such as a named launch or a card well above its launch price, and not because of a general feeling.