Asus has offered official energy provide necessities for these shopping for a brand new RTX 4080 or 4090 graphics card from the corporate, and in addition the mandatory wattages for these taking a look at buying an RX 7900 XT or 7900 XTX when these RDNA 3 playing cards emerge in December.
Keep in mind that the stipulated PSUs for these graphics playing cards do rely on what CPU you’re operating them with, as as of late, some processors can demand a complete lot of juice from the facility provide too – so no matter combo you have got in your PC, you need to bear that in thoughts.
As @momomo_us studies on Twitter (through VideoCardz (opens in new tab)), Asus recommends that the RTX 4090 has at the least an 850W energy provide if operating an Intel Core i5 or Ryzen 5 CPU. For these utilizing a Core i7 or Core i9 chip, or Ryzen 7 or 9, that advice is pushed as much as 1000W. For Intel HEDT (high-end desktop) or Threadripper CPUs, the PSU ought to be 1200W, no much less.
For the RTX 4080, the bottom advice is 750W and that holds for Core i5 and i7 fashions, or Ryzen 5 or 7. For a Core i9 or Ryzen 9, it’s cranked as much as 850W, and 1000W for Threadripper or Intel HEDT.
What about these suggestions for AMD’s incoming RDNA 3 graphics playing cards? These desirous to seize an RX 7900 XT are taking a look at the very same deal because the RTX 4080 – 750W for the Core i5 or i7 CPUs (and Ryzen 5 or 7), then stepping as much as 850W for a Core i9 or Ryzen 9, and 1000W for an HEDT mannequin.
For the RX 7900 XTX, you’re taking a look at 850W for a Core i5 or i7 (and Ryzen 5 or 7), and 1000W for when paired with a Core i9 or Ryzen 9 CPU. For an HEDT chip, the requirement is a lofty 1,200W, simply as with the RTX 4090.
Evaluation: Evaluate and distinction with AMD’s current-gen
It’s fascinating to see some official figures from a graphics card maker for RDNA 3 merchandise, though there aren’t any actual surprises right here. The RX 7900 XT and 7900 XTX particularly have been by no means going to be something lower than fairly demanding on the PC’s energy provide, however the AMD flagship does push issues to the identical form of degree because the RTX 4090 – with the notable exception of a neater time for these operating Core i7 or Ryzen 7 CPUs (in all probability fairly just a few customers, as not everybody feels the necessity to push to Core i9 or Ryzen 9).
What’s maybe extra instructive is to match the incoming AMD graphics playing cards to their predecessor fashions, and it’s right here we see that the RX 7900 XT really notches issues down from the 6900 XT. At the very least for Core i7/Ryzen 7 and Core i9/Ryzen 9 processors, the place the 7900 XT calls for 100W much less and 150W much less respectively; that’s fairly spectacular as compared. (The truth is, the 7900 XT has the identical necessities because the 6800 XT, imagine it or not).
There isn’t a direct comparability for the 7900 XTX, nevertheless it does maintain issues the identical because the 6950 XT (all however in HEDT turf the place the brand new graphics card does require significantly extra, 200W to be exact – however these are extra area of interest instances).
Total, then, that is respectable information for these taking a look at a brand new AMD RDNA 3 GPU down the road, particularly given Nvidia’s present troubles with melting cables and the RTX 4090 (with query marks over whether or not this downside will have an effect on the RTX 4080, too).