Nvidia's next-gen flagship accounted to accept a huge bandwidth increase, acknowledgment to a 512-bit anamnesis bus

Nvidia RTX 4080
(Image credit: Nvidia)

The barrage of Nvidia's next-generation cartoon cards is a continued way off, conceivably as abundant as two years away. There's a lot of time for Nvidia to chop and change whatever GPU ends up powering the apparently called RTX 50-series. The rumor comminute never stops, though.

The latest asset of advice to apparent comes from Kopite7kimi, a usually reliable antecedent of Nvidia information. They brainstorm that the flagship Nvidia RTX 50 card, apparently called the RTX 5090, will accept a 512-bit anamnesis bus. That's article we can all acknowledge accustomed we had cards with 512-bit buses activity aback able-bodied over a decade.

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Electrical complexities and accomplishment costs are generally cited as affidavit to accept a narrower bus, but if a agenda like the RTX 4090 at $1,599 doesn't absolve a 512-bit bus, what will? Afterward that band of cerebration makes me convulse at the anticipation of what an RTX 5090 will cost.

In the case of avant-garde GPUs, anytime accretion GDDR6 and GDDR6X speeds accept lessened the charge for a advanced anamnesis bus. If we booty the RTX 4090 as an example, it includes 24GB of GDDR6X anamnesis at 21Gbps, giving it a best bandwidth of 1,008GB/s. The RTX 3090 Ti had the aforementioned configuration, acceptation we didn't see any gen-on-gen bandwidth improvement, admitting the huge boost in all-embracing performance.

A 512-bit bus amplitude commutual with 21Gbps anamnesis would aftereffect in 1,344 GB/s of bandwidth. That's a nice 33% access over the RTX 4090 appropriate there. But 21Gbps anamnesis is so 2022. We've got GDDR7 to attending advanced to.

If Nvidia was to accouter the RTX 5090 with 32Gbps GDDR7 with a 512-bit bus, we'd be attractive at over 2TB/s of bandwidth, bifold that of the RTX 4090. That opens up belief about why Nvidia would feel the allegation to access anamnesis bandwidth by that much. If 8K gaming anytime takes off, this is the agenda that will advance the charge. It's an agitative prospect, admitting absolutely an big-ticket one. 

Your abutting upgrade

Nvidia RTX 4070 and RTX 3080 Founders Edition graphics cards

(Image credit: Future)

Best CPU for gaming: The top chips from Intel and AMD.
Best gaming motherboard: The appropriate boards.
Best cartoon card: Your absolute pixel-pusher awaits.
Best SSD for gaming: Get into the bold advanced of the rest.

Should Nvidia accept to accommodate a 512-bit bus in its abutting gen flagship, it should augur able-bodied for the cheaper cards in the ambit too. One of the above criticisms of the RTX 4070 and RTX 4070 Ti, and decidedly the RTX 4060 Ti is their attenuated bus widths. An advancement to 192-bit and 256-bit buses for xx60 and xx70 cards appropriately would be welcome.

The move to a 512-bit bus opens up the achievability of some absorbing anamnesis configurations. The RTX 3090/TI and RTX 4090 all appear with 24GB of memory, so with a 512-bit bus, cards with 32GB of anamnesis become a audible possibility.

Start extenuative folks. A academic RTX 5090 with 32GB of GDDR7 anamnesis and a 512-bit bus could accomplish a $1,599 RTX 4090 attending like a Best Buy arrangement bin special. At atomic you'll accept a continued time to ample up the back bank.

Chris Szewczyk
Hardware Writer

Chris' gaming adventures go aback to the mid-nineties aback he bamboozled his parents into affairs an 'educational PC' that was calmly baffled to comedy Doom and Tie Fighter. He developed a adulation of acute overclocking that destroyed his accumulation admitting the cheaper accouterments on action via his job at a PC store. To allow added LN2 he began cheating as a analyst for VR-Zone afore jumping the fence to assignment for MSI Australia. Aback then, he's gone aback to journalism, agilely reviewing the latest and greatest apparatus for PC & Tech Authority, PC Powerplay and currently Australian Claimed Computer annual and PC Gamer. Chris still puts far too abounding hours into Borderlands 3, consistently appetite to become a added able killer.