Although the fifth generation is already with us, NVIDIA should continue with PCIe 4.0
The current video card microarchitecture of Nvidia, Ampere, is about to turn two years old and is rumored to be replaced by “Ada Lovelace” by the end of the year. Unofficial information about the GeForce RTX 40xx keeps popping up and the latest is for the PCIe support. the escape @kopite7kimi says that the Nvidia should continue to use only PCIe 4.0 on the next generation of GPUs.
For now, only motherboards with chipset targeting Intel Alder Lake processors support PCIe 5.0 interface. On the AMD side, this should happen as soon as the next generation of Ryzen 7000 “Raphael” processors, with the new AM5 platform, which are also scheduled for the second half of this year.
Previous “Ada Lovelace” GPU rumors indicated that the graphics cards would be PCIe Gen 5 ready. GeForce RTX 40xx GPUs are also expected to support the new 16 pin power connector, ATX 3.0, according to rumors too. This cable provides up to 600W of power and is used by the new Ampere-based RTX 3090 Ti high-end GPU.
In March, NVIDIA announced its new “Hopper” architectureintended for workstations, which will arrive with PCIe 5.0 support, but these graphics cards will not debut on the market until the first half of 2023.
According to the leaker, the way NVIDIA distributes CUDA cores should change in the next generation. The Ada Lovelace architecture should not just increase the amount of cores, but it’s also too early to make any guesses on this.
While we are using PCIe 4.0, although the new generation is already in the market, the PCI GIS already revealed that the sixth generation will double in addition to the fifth. This bandwidth doubling cycle has continued since the PCIe interface debuted in the early 2000s.
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