The evaporation chamber is not exclusive to the GeForce RTX 4090. The same cooling system was received by Sapphire Radeon RX 7900 Nitro


The differences between the Sapphire video card and the reference one do not end there.

Official sales of AMD Radeon RX 7900 XTX and Radeon RX 7900 XT 3D accelerators should start soon, so video card manufacturers are gradually starting to stir up interest in new products. So, the video teaser published by the developers demonstrated the features of the Sapphire Radeon RX 7900 Nitro well (obviously, there will be versions of both XTX and XT).

 RX 7900

Most importantly, in this model, as in all GeForce RTX 4090s, there will be a vapor chamber. It will remove heat from both the GPU and the memory chips at the same time. Other components of the cooler are standard for the flagship model – a huge heatsink, three fans

 RTX 4090s,

Sapphire Radeon RX 7900 Nitro board - left, reference - right

Other features of the Sapphire Radeon RX 7900 Nitro include three 8-pin auxiliary power connectors, a 20-phase power subsystem, and a slightly modified circuit board

Also Read:   The GeForce RTX 4060 and Radeon RX 7600 will have something that the GeForce RTX 4090 and Radeon RX 7900 XTX don't have. They will receive support for PCIe 5.0
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