Radeon RX 6500 XT uses a PCI-E 4.0 x4 interface
AMD unveiled the Radeon RX 6500 XT on Tuesday, with a suggested retail price of US $199. Clearly, given the present shortage scenario, introducing a graphics card for US $ 199 is not an easy effort.
AMD's primary price cut was to its memory, which was reduced to 4GB of GDDR6 memory. As AMD's Head of Gaming, Frank Azor, noted in an interview, it was hard to include 8GB of GDDR6 RAM while keeping the pricing at US $ 199. Additionally, this cut prohibits it from being used for mining, preventing miners from exhausting the supply, and the aesthetics are designed for gamers, as they should be. Another cut was made to the bus, reducing it to 64 bits, resulting in a bandwidth of only 144GB / s, which is minuscule in comparison to any other graphics on the market.
Although it was already visible in photos, as demonstrated by the Videocardz comparison, Asrock verified that the RX 6500 XT has a PCI-E 4.0 x4 interface, which provides limited communication bandwidth with the CPU. While it is true that graphics of this sort do not require a large number of PCI-E lanes, including a PCI-E 4.0 x8 interface would have been ideal. This graphics card will be available on January 19, while the RTX 3050 will be available on January 27, so we'll know who prevails in this lower part of the market in a few weeks.
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4.0 x4 might be fine, but I wonder if 3.0 x4 is still fine, as quite a bunch of systems are not on 4.0 yet.
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We know that PCIe 4.0 x4 is a bottleneck in CS:GO:
But in this test, it's the cpu that has this limitation. 6500XT has limitation on GPU side. I wonder if that also will be a bottleneck.
AMD is guilty until proven otherwise

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Based on the specs, that card indeed should cost no more than roughly 199 euros, even under the current circumstances. 64 bits bus? That's just hilarious.
I suppose the card will, though, end up in the so called gaming PCs sold by small, third party sellers on Ebay and other Internet marketplaces.
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If the pricing was normal the 3050 nullifies the reason for existence that this card has. It will still sell just because it's terrible and it might be possible to find it.
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X4 as many NVidia on the same segment (despite physical X16... NVidia even use X1 sometime) and only X8 in a lot of middle segment too in both red and green...
It's not a problem in itself if it fit the needed bandwith