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Rumor: Nvidia RTX 5080 beats RTX 4090 in ray tracing

You’ll soon be able to buy a graphics card that’s faster than the super-powerful RTX 4090 in ray tracing, but at a noticeably lower price, if the latest RTX 5080 rumors are to be believed. Perhaps Nvidia has learned its lesson from the RTX 4080’s initial launch and won’t set an insane price for the new card. On the other hand, this will not stop speculators and resellers from raising prices.


The GeForce RTX 4090 is the best graphics card you can buy right now, but it’s also extremely expensive—prices for this 4K gaming GPU start at $1,799. However, if the latest rumors are to be believed, the RTX 5080 will offer better performance for less money.

According to tech insider AGF on the X, “The GB203 is close to the AD102 in rasterization and faster in ray tracing.” GB203 is the purported codename for the GPU that the RTX 5080 is expected to be based on. Essentially, if this leak is true, the RTX 5080 will be even faster at handling realistic ray-traced lighting in games than the current RTX 4090, although its speed will be about the same when it comes to standard rasterization.

The post was in response to a question about whether the RTX 5080 would get a nice performance boost over the RTX 4080, to which AGF responded that it would “depend on AMD’s competitiveness,” adding that it was “too early to tell.”

The same insider also stated that the top-end Blackwell GPUs will be equipped with GDDR7 memory. And if Blackwell follows the Ada release line, that means we can expect the RTX 5090, RTX 5080, and RTX 5070 Ti to feature this new high-speed memory standard.


It was previously rumored that the GB203 GPU would have the same 256-bit memory bus width as the RTX 4080. Tech insider kopite7kimi claimed that “GB203 is 256-bit and GB205 is 192-bit.” The same insider also stated that the GB203 will likely have just six Blackwell graphics processing unit (GPC) clusters, although another insider, RedGamingTech, claimed there will be seven.

If the last statement is true, this would make the difference between the RTX 5080 and 5090 very similar to the difference between the RTX 4080 and 4090.


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